008 alloys

8-1

Alro delivers...everyday

Alloys

ETD 150® ......................................................................................8-2ETD 150® Rounds .........................................................................8-2AISI 4140/41L40 - Annealed .........................................................8-3AISI 4140 - Annealed Flats And Squares ....................... 8-4 thru 8-5AISI 4140 - Annealed Rounds ........................................ 8-5 thru 8-6AISI 4140 HR Q&T........................................................................8-7 AISI 4140 Rounds HR Q&T ..........................................................8-7AISI 4140 and 41L40* Annealed CF Rounds ..............................8-8AISI 4140/4142 CF Q&T ...............................................................8-8AISI 4140 Q&T TG&P ...................................................................8-9AISI 4140 Annealed CF Squares ..................................................8-9AISI 4140 Annealed CF Hexagons ...............................................8-9AISI 4140 Annealed CF Flats .....................................................8-10AISI 4140/4142 - (MOD) .............................................................8-11AISI 4140/4142 - (MOD) Flats And Squares............... 8-12 thru 8-14AISI 4140 - As Rolled Plate ........................................................8-15AISI 4150 Hot Rolled Annealed ..................................................8-16AISI 4150 Hot Rolled Annealed Rounds .....................................8-16AISI 4150R Q&T SR ...................................................................8-17AISI 4150R Q&T SR Rounds ......................................................8-184150 DYBAR - (MOD) RS ..........................................................8-194150 DYBAR - (MOD) RS Flats ..................................................8-19AISI 4340 - Annealed Q&T .........................................................8-20AISI 4340 - Annealed Rounds ....................................................8-21AISI 4340 - HR Q&T Rounds ......................................................8-21AISI 6150 - Annealed ..................................................................8-22AISI 6150 - Annealed Flats And Squares ................... 8-23 thru 8-24AISI 6150 - Annealed Rounds ....................................................8-25AISI 8620/86L20 .........................................................................8-26AISI 8620 Flats And Squares ..................................... 8-27 thru 8-28AISI 8620 HR Rounds ................................................................8-29 AISI 8620 CF Rounds .................................................................8-29AISI 86L20 CF Rounds ...............................................................8-30 AISI 8620 Plate ...........................................................................8-30AISI 52100 ..................................................................................8-30AISI 52100 Rounds.....................................................................8-31Alro Brake Die.............................................................................8-32KPM SUPER SQUARE ..............................................................8-33

TOLERANCES Hot Rolled Alloy Bars ..........................................................8-34 Size Tolerances - Rounds ...................................................8-34 DCF Thickness and Width ..................................................8-34 Thickness Tolerances - 4140 HRA and 8620 HR Flats .......8-35 Standard Manufacturing Cold Finished Bars ......................8-35

8-2


Visit the Alro Web Sitewww.alro.com

alro.com alro.com

ETD 150®

E.T.D. 150® stands for Elevated Temperature Drawing process. This eliminates heat treating and secondary operations such as straightening, finish grinding, cleaning and inspections. It can be roll threaded, knurled, and plated.

1/2 0.670 8.04 9/16 0.850 10.20 5/8 1.040 12.48 11/16 1.260 15.12 3/4 1.500 18.00 13/16 1.760 21.12 7/8 2.040 24.48 1 2.670 32.041-1/16 3.014 36.17 1-1/8 3.379 40.55 1-3/16 3.770 45.24 1-1/4 4.170 50.041-3/8 5.050 60.60 1-1/2 6.010 72.12 1-5/8 7.050 84.60 1-3/4 8.170 98.04

1-7/8 9.390 112.68 2 10.680 128.16 2-1/8 12.06 144.72 2-1/4 13.52 162.242-3/8 15.06 180.72 2-1/2 16.69 200.28 2-5/8 18.40 220.80 2-3/4 20.19 242.282-7/8 22.07 264.84 3 24.03 288.36 3-1/4 28.21 338.52 3-3/8 30.42 365.04 3-1/2 32.71 392.49

Size in Inches

Pounds per ft

Pounds per 12 ft

Size in Inches

Pounds per ft

Pounds per 12 ft

TYPICAL ANALYSIS ETD 150®

Carbon (C) .40 Min Manganese (Mn) .70/1.10 Silicon (Si) .15/.35 Chromium (Cr) .80/1.20 Molybdenum (Mo) .15/.25

MECHANICAL PROPERTIESTensile Strength ................................................................. **150,000 psi MinYield Strength (.2% offset) .....................................................130,000psi MinElongation ..................................................................................10% (Mean)Reduction of Area .......................................................................37% (Mean)Machinability .............................................................................. 75% of 1212Rockwell C Hardness .......................................................................**32 MinBrinell Hardness .............................................................................**302 Min*ETD 150® contains additives for improving machinability. These may be Tellurium, Selenium, Sulphur

(.06 max), or others, separately or in combination.

**In the event of disagreement between hardness and tensile strength, the tensile

strength shall govern.

ETD 150® ROUNDS

8-3


AISI 4140/41L40 - ANNEALED This medium carbon alloy grade is widely used for many general purpose parts requiring high tensile strength and toughness. 4140 contains chromium and molybdenum as alloying elements and may be heat treated over a wide range to give the combined advantages of proper hardness, strength and ductility. In conditions where localized hardness may be required, this steel is readily flame or induction hardened.

TYPICAL ANALYSIS AISI 4140/41L40 Carbon (C) .38/.43 Manganese (Mn) .75/1.00 Silicon (Si) .15/.30 Molybdenum (Mo) .15/.25 Chromium (Cr) .80/1.10 Phosphorus (P) .035 MAX Sulphur (S) .040 MAX *Lead .15/.35FORGING (a) 2000-2200º F Start forging at (1100-1200º C) Do not forge below 1800º F (980º C)NORMALIZING (b) 1600-1650º F (871-899º C)ANNEALING (c) Temperature 1500-1550º F (816-843º C) Rate of cooling, max. per hour Typical annealed hardness, Brinell 212HARDENING Rate of heating Slowly Preheat temperature Hardening temperature 1500-1550º F (816-843º C) Time at temperature, minutes Quenching medium 0 (I)WEAR RESISTANCE MediumTOUGHNESS Very HighRESISTANCE TO SOFTENING EFFECT OF ELEVATEDTEMPERATURE LowDEPTH OF HARDENING MediumMACHINABILITY MediumGRINDABILITY HighDISTORTION IN HEAT TREATING MediumSAFETY IN HARDENING LowRESISTANCE TO DECARBURIZATION Medium

•Refer to pages 14-24 thru 14-25 for notes (a) to (o), incI., explanation of letter 0, A, S, B and W.*Applies only to 4140 leaded alloy steel bars.

HR(ALSO AVAILABLE IN DCF)


alro.com alro.com

8-4


AISI 4140 - ANNEALED SIZE CHARTFLATS AND SQUARES (Cut From Plate)

Size (inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

3/8 x 3/8 0.594 1/2 0.765 5/8 0.935 3/4 1.105 1 1.446 1 -1/4 1.786 1 -1/2 2.126 1 -3/4 2.467 2 2.807 2 -1/4 3.147 2 -1/2 3.488 2 -3/4 3.827 3 4.168 3 -1/2 4.849 4 5.530 6 8.2521/2 x 1/2 1.004 5/8 1.227 3/4 1.451 1 1.897 1 -1/4 2.344 1 -1/2 2.791 1 -3/4 3.237 2 3.684 2 -1/4 4.131 2 -1/2 4.577 2 -3/4 5.024 3 5.471 3 -1/2 6.364 4 7.257 4 -1/2 8.151 5 9.044 6 10.831 7 12.618 8 14.404 10 17.978 12 21.551 16 28.697 20 35.844 24 42.9915/8 x 5/8 1.520 3/4 1.796 1 2.349 1 -1/4 2.902 1 -1/2 3.455 1 -3/4 4.008 2 4.561

5/8 x 2 -1/4 5.114 2 -1/2 5.667 2 -3/4 6.220 3 6.773 3 -1/2 7.879 4 8.985 4 -1/2 10.092 5 11.198 6 13.410 8 17.834 10 22.257 12 26.682 16 35.530 20 44.378 24 53.2273/4 x 3/4 2.141 1 2.801 1 -1/4 3.460 1 -1/2 4.120 1 -3/4 4.779 2 5.438 2 -1/4 6.098 2 -1/2 6.757 2 -3/4 7.417 3 8.076 3 -1/2 9.395 4 10.713 4 -1/2 12.032 5 13.351 6 15.988 8 21.263 10 26.538 12 31.813 16 42.363 20 52.913 24 63.4631 x 1 3.704 1 -1/8 4.141 1 -1/4 4.577 1 -1/2 5.449 1 -3/4 6.321 2 7.193 2 -1/4 8.065 2 -1/2 8.937 2 -3/4 9.809 3 10.681 3 -1/2 12.425

1 x 4 14.169 4 -1/2 15.914 5 17.658 6 21.146 8 28.123 10 35.099 12 42.076 16 56.028 20 69.981 24 83.9341-1/4 x 1 -1/4 5.692 1 -1/2 6.778 1 -3/4 7.862 2 8.947 2 -1/4 10.032 2 -1/2 11.117 2 -3/4 12.201 3 13.286 3 -1/2 15.456 4 17.625 4 -1/2 19.795 5 21.964 6 26.304 8 34.982 10 43.660 12 52.338 16 69.694 20 87.050 24 104.4061-1/2 x 1 -1/2 8.106 2 10.702 2 -1/4 11.999 2 -1/2 13.296 2 -3/4 14.594 3 15.891 3 -1/2 18.486 4 21.081 4 -1/2 23.676 5 26.271 6 31.461 8 41.841 10 52.221 12 62.600 16 83.359 20 104.119 24 124.8781-3/4 x 1 -3/4 10.945

•Refer to pages 8-34 thru 8-35 for alloy tolerances.•Sizes not listed above can be cut from plate.•Weights above include nominal oversize tolerance. Actual weights may vary.

HR

(ALSO AVAILABLE IN DCF)

Continued on next page

8-5


•Refer to pages 8-34 thru 8-35 for alloy tolerances.Sizes not listed above can be cut from plate.

5/8 1.044 3/4 1.500 7/8 2.040 1 2.676 1-1/8 3.384 1-1/4 4.176 1-3/8 5.052

1-1/2 6.012 1-5/8 7.056 1-3/4 8.172 1-7/8 9.384 2 10.680 2-1/8 12.234 2-1/4 13.704

2-3/8 15.258 2-1/2 16.896 2-5/8 18.724 2-3/4 20.533 2-7/8 22.426 3 24.409 3-1/8 26.463

AISI 4140 - ANNEALED SIZE CHARTFLATS AND SQUARES (Cut From Plate) Size (inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

1-3/4 x 2 12.456 2 -1/2 15.476 3 18.497 4 24.537 4 -1/2 27.557 5 30.578 6 36.619 8 48.700 10 60.781 12 72.862 16 97.025 20 121.188 24 145.3502 x 2 14.210 2 -1/4 15.933 2 -1/2 17.656 2 -3/4 19.379 3 21.102 3 -1/2 24.547 4 27.993 4 -1/2 31.438 5 34.885 6 41.776 8 55.559 9 62.451 10 69.342 12 83.125 16 110.690 20 138.257 24 165.8222-1/4 x 2 -1/4 17.900 2 -1/2 19.836

2-1/4 x 2 -3/4 21.771 3 23.707 3 -1/2 27.578 4 31.449 4 -1/2 35.320 5 39.191 5 -1/2 43.063 6 46.934 8 62.418 10 77.903 12 93.387 16 124.357 20 155.326 24 165.8232-1/2 x 2 -1/2 22.015 2 -3/4 24.164 3 26.312 3 -1/2 30.609 4 34.905 4 -1/2 39.202 5 43.498 5 -1/2 47.795 6 52.091 8 69.277 10 86.464 12 103.650 16 138.022 20 172.394 24 206.7673 x 3 31.522 3 -1/2 36.670 4 41.817 4 -1/2 46.964

3 x 5 52.112 6 62.406 8 82.996 10 103.585 12 124.174 16 165.353 20 206.532 24 247.7113-1/2 x 3 -1/2 42.730 4 48.525 4 -1/2 54.523 5 60.521 5 -1/2 66.723 6 72.518 8 96.510 10 120.502 12 144.495 16 192.480 20 240.465 24 288.451 4 x 4 55.408 4 -1/2 62.257 5 69.106 5 -1/2 75.955 6 82.804 8 110.199 10 137.595 12 164.991 16 219.782 20 274.574 24 329.366

HR

(ALSO AVAILABLE IN DCF)

AISI 4140 - ANNEALEDROUNDS SIZE CHART Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)


8-6


•Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 12' (20' randoms available in most sizes).*Sizes above 12" are 16-20' randoms, forged and roughturned.

AISI 4140 - ANNEALEDROUNDS SIZE CHART

Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)


3-1/4 28.606 3-3/8 30.833 3-1/2 33.143 3-5/8 35.692 3-3/4 38.175 4 43.394 4-1/4 48.939 4-1/2 54.822 4-3/4 61.243 5 67.804 5-1/4 74.699 5-1/2 81.928 5-3/4 90.203 6 98.146 6-1/4 106.390 6-1/2 114.985

6-3/4 123.078 7 133.779 7-1/4 143.397 7-1/2 153.348 7-3/4 163.631 8 174.251 8-1/4 185.204 8-1/2 197.170 8-3/4 208.818 9 220.816 9-1/4 233.100 9-1/2 245.741 9-3/4 258.716 10 273.753 10-1/2 301.458 11 330.498

11-1/2 360.874 12 392.584 12-1/2 427.665 13 462.124 13-1/2 497.918 14 535.047 14-1/2 573.511 15 613.310 15-1/2 654.444 16 696.913 17 785.856 18 880.139 19 979.762 20 1084.725

Alro SteelMetals • Industrial Supplies • Plastics

• Saw Cutting• Production/Precision Sawing• Precision Aluminum Plate Sawing• Press Brake/Forming• Thermal Processing• Plasma

• Flame Cutting• Water Jet• Plate Laser• Tube Laser• Shearing• Grinding

Ask your Alro Sales Representative about our Processing Services

(888) 888-ALRO 2 5 7 6

alro.com

Contact us today and learn more about The Alro Difference!

8-7


AISI 4140 ROUNDS

HR Q&T

3-1/4 28.606 3-1/2 33.143 3-3/4 38.175 4 43.394 4-1/4 48.939 4-1/2 54.822 4-3/4 61.243 5 67.804 5-1/4 74.699 5-1/2 81.928 5-3/4 90.203 6 98.146 6-1/4 106.390 6-1/2 114.985 6-3/4 123.078 7 133.779 7-1/4 143.397 7-1/2 153.348 7-3/4 163.633

8 174.251 8-1/4 185.204 8-1/2 197.178 9 220.816 9-1/2 245.741 10 273.753 10-1/2 301.450 11 330.498 11-1/2 360.874 12 392.584 13 462.124 13-1/2 497.918 14 535.047 15 613.310 16 696.913 18 880.139 20 1084.725 22 1310.671

Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

3/4 1.500 7/8 2.040 1 2.670 1-1/8 3.379 1-1/4 4.170 1-3/8 5.048 1-1/2 6.010 1-5/8 7.050 1-3/4 8.180 1-7/8 9.387 2 10.680 2-1/8 12.234 2-1/4 13.704 2-3/8 15.258 2-1/2 16.896 2-5/8 18.724 2-3/4 20.533 2-7/8 22.426 3 24.409•Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 20' randoms Bars over 10-1/2" diameter are forged.

(HOT ROLLED, QUENCHED AND TEmPERED)

4140 HR Q&T is a general purpose alloy with good hardness penetration, strength, toughness, and ductility. Sizes thru 7" comply with the chemical and mechanical properties of ASTM-A193-B7. Sizes over 7" to 9-1/2" conform to ASTM A434.

TYPICAL ANALYSIS AISI 4150 Carbon (C) .37/.49 Manganese (Mn) .65/1.10 Silicon (Si) .15/.30 Tungsten (W) Molybdenum (Mo) .15/.25 Chromium (Cr) .75/1.20 Vanadium (V) Sulphur (S) .040 MAX Phosphorus (P) .035 MAXHEAT TREATMENT Quenched from 1525ºF (828ºC) MIN Tempered at 1100ºF (593ºC) MIN Quenching medium O (I)TENSILE STRENGTH approx. 110,000 lbs psiYIELD POINT approx. 85,000 lbs psiBRINELL HARDNESS 269-321ROCKWELL C 28-32ELONGATlON IN 2" 16%REDUCTION IN AREA 50%

AISI 4140 Q&T

8-8


AISI 4140/4142 CF Q&TROUNDS SIZE CHART COLD FINISH4140/4142 CF Q&T SR is a general purpose alloy used where substantial strength, toughness and hardness are required. Through tempering, quenching and the cold-finishing process, the end result is improved strength and ductility, improved toughness, better fatigue resistance and superior surface condition.4140 CF Q&T SR Rounds are also calcium-treated for improved machinability and fully stress relieved after drawing so that distortion during machining is held to a minimum.

3/4 1.500 7/8 2.044 1 2.670 1-1/8 3.379 1-1/4 4.172 1-3/8 5.048 1-1/2 6.008

1-5/8 7.050 1-3/4 8.177 1-7/8 9.387 2 10.680 2-1/4 13.517 2-1/2 16.688 2-3/4 20.192

Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

•Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 12' randoms

3 24.030 3-1/2 32.708 3-3/4 37.547 4 42.720 5 66.750 6 96.120

AISI 4140 AND 41L40* ROUNDS SIZE CHART

ANNEALED COLD FINISH

•Refer to pages 8-34 thru 8-35 for alloy tolerances.Stock lengths 12' (20' available in most sizes).*41L40 is a superior free machining direct hardening alloy (Lead of .15/.35).

Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

3/16 0.100 1/4 0.170 5/16 0.261 3/8 0.380 7/16 0.510 1/2 0.668 9/16 0.845 5/8 1.043 11/16 1.261 3/4 1.500 13/16 1.763 7/8 2.044 15/16 2.347 1 2.670 1-1/16 3.010

1-1/8 3.379 1-3/16 3.770 1-1/4 4.172 1-5/16 4.600 1-3/8 5.048 1-7/16 5.517 1-1/2 6.008 1-9/16 6.519 1-5/8 7.050 1-3/4 8.177 1-7/8 9.387 1-15/16 10.023 2 10.680 2-1/8 12.057 2-1/4 13.517

2-3/8 15.060 2-1/2 16.688 2-9/16 17.532 2-5/8 18.398 2-3/4 20.192 2-7/8 22.069 3 24.030 3-1/4 28.202 3-1/2 32.708 3-3/4 37.547 4 42.720 4-1/4 48.227 4-1/2 54.068 5 66.750


alro.com alro.com

8-9



•Lengths: 12-20 ft.

3/8 12 .375 1/2 12 .667 5/8 12 1.042 3/4 12 1.501 7/8 20 2.0441 20 2.6701-1/8 20 3.379 1-3/16 20 3.7651- 1/4 20 4.1711- 3/8 20 5.047 1-7/16 20 5.5101- 1/2 20 6.0071- 5/8 20 7.0501- 3/4 20 8.176 1-7/8 20 9.387 1-15/16 20 10.0202 20 10.680

AISI 4140QUENCHED & TEmPEREDROUNDS SIZE CHART Size (inches)

Weight(per ft.)

Length(ft.)

Size(inches)

Weight(per ft.)

Length(ft.)

TURNED GROUND & POLISHED

2- 3/16 20 12.7762- 1/4 20 13.5162- 7/16 20 15.8632- 1/2 20 16.687 2-11/16 20 19.277 2-3/4 20 20.191 2-15/16 20 23.0313 20 24.030 3-1/4 20 28.202 3-7/16 20 31.5413- 1/2 20 32.707 3-15/16 20 41.3844 20 42.720 4-7/16 20 52.5644-1/2 20 54.0805 20 66.7506 20 96.120

SIZE CHART COLD FINISH Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

3/8 0.413 7/16 0.563 1/2 0.735 9/16 0.930 5/8 1.148 3/4 1.654 7/8 2.251 15/16 2.584

1 2.940 1-1/16 3.324 1-1/8 3.721 1-1/4 4.594 1-3/8 5.558 1-7/16 6.085 1-1/2 6.625 1-5/8 7.763

1-3/4 9.004 1-7/8 10.350 2 11.780 2-1/4 14.910 2-1/2 18.400 3 26.500

SIZE CHART COLD FINISH Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

1/2 0.850 5/8 1.328 3/4 1.913 7/8 2.603

1 3.400 1-1/4 5.313 1-1/2 7.650 1-3/4 10.413

2 13.600 2-1/2 21.250 3 30.600

AISI 4140 ANNEALEDSQUARES

AISI 4140 ANNEALEDHEXAGONS

8-10


3/4 x 1 2.55 1 -1/4 3.19 1 -1/2 3.83 2 5.10 2 -1/2 6.38 3 7.65 4 10.20 5 12.75 6 15.301 x 1 -1/4 4.25 1 -1/2 5.10 1 -3/4 5.95 2 6.80 2 -1/2 8.50 3 10.20 3 -1/2 11.90 4 13.60 5 17.00 6 20.40 7 23.80 8 27.201-1/4 x 1-1/2 6.38 2 8.50 2 -1/4 9.56 3 12.75 3 -1/2 14.88

AISI 4140 ANNEALEDFLATS Size (inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

1/4 x 1 -1/2 1.28 2 1.70 3 2.553/8 x 1 1.28 1-1/4 1.59 1 -1/2 1.91 2 2.55 3 3.83 3 -1/2 4.46 4 5.101/2 x 1 1.70 1 -1/2 2.55 2 3.40 2 -1/2 4.25 3 5.10 4 6.80 4-1/2 7.65 5 8.50 6 10.205/8 x 1 2.13 2 4.25 2-1/2 5.31 3 6.77 4 8.50 5 10.63 6 12.75

COLD FINISH

1-1/4 x 4 17.00 4 -1/2 19.13 5 21.25 6 25.501-1/2 x 2 10.20 2 -1/2 12.75 3 15.30 3 -1/2 17.84 4 20.40 5 25.50 6 30.602 x 2-1/2 17.00 3 20.40 3 -1/2 23.80 4 27.20 5 34.00 6 40.802-1/2 x 4 34.003 x 4 40.80

•Refer to pages 8-34 thru 8-35 for alloy tolerances.

Alro’s Production/Precision Sawing

Your Product Cut To Precision...Squareness... Surface Finish...Length...

Squares

RoundsRound Tubing

Square Tubing

Angle Iron

Flat Bar

Hex

Channel

Production/Precision Sawing to Your Specification

(888) 888-ALRO 2 5 7 6

8-11


AISI 4140/4142 - (mOD)mEDIUm CARBON ALLOY PRE-HARDENED (Cut From Plate)4140/4142 is a fine pre-hardened alloy steel, ready for use and is machinable in its hardened state 260/321 Brinell. TYPICAL APPLICATIONSStrippers, Holder Blocks, Mold Bases, Ejectors, Back Up and Support Tooling, Fixtures, Jigs, Molds, Cams, and many more applications where time and money are important considerations.

TYPICAL ANALYSIS AISI 4140/4142 (MOD) Carbon (C) .36/.46 Manganese (Mn) .70/1.70 Silicon (Si) .15/.45 Molybdenum (Mo) .15/.35 Chromium (Cr) .75/1.20 Phosphorus (P) .035 MAX Sulphur (S) .040 MAX Nickel (Ni) .50 MAXFORGING (a) Start forging at Do not forge belowNORMALIZING (b)ANNEALING (c) Temperature Rate of cooling, max. per hour Typical annealed hardness, BrinellHARDENING Rate of heating Preheat temperature Hardening temperature Time at temperature, minutes Quenching mediumTEMPERING Tempering temperature Approx. tempered hardness, Rockwell C 26-34WEAR RESISTANCE MediumTOUGHNESS Very HighRESISTANCE TO SOFTENING EFFECT OF ELEVATEDTEMPERATURE LowDEPTH OF HARDENING MediumMACHINABILITY MediumGRINDABILITY HighDISTORTION IN HEAT TREATINGSAFETY IN HARDENINGRESISTANCE TO DECARBURIZATION

(ALSO AVAILABLE IN HR)


DCF

8-12


AISI 4140/4142 - (mOD) PRE-HARDENED DCFFLATS AND SQUARES HR PRE-HARDENED (CUT FROm PLATE) SIZE C ANNEALED DCF HR ANNEALED

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

1/4 x 1/2 0.505 5/8 0.622 3/4 0.739 1 0.973 1-1/8 1.090 1-1/4 1.207 1-1/2 1.441 1-3/4 1.675 2 1.909 2-1/4 2.143 2-1/2 2.377 2-3/4 2.611 3 2.845 3-1/2 3.313 3-3/4 3.547 4 3.781 4-1/2 4.249 5 4.717 6 5.653 7 6.589 8 7.524 9 8.460 10 9.396 12 11.268 16 15.012 20 18.755 24 22.499 32 29.9863/8 x 3/8 0.565 1/2 0.735 5/8 0.905 3/4 1.075 1 1.416 1-1/4 1.756 1-1/2 2.096 1-3/4 2.437 2 2.777 2-1/4 3.117 2-1/2 3.458 2-3/4 3.798 3 4.138 3-1/2 4.819 4 5.500 6 8.222 7 9.583

3/8 x 8 10.945 10 13.667 12 16.390 16 21.835 20 27.280 24 32.725 32 43.6151/2 x 1/2 0.965 5/8 1.188 3/4 1.410 1 1.858 1-1/4 2.305 1-1/2 2.751 1-3/4 3.198 2 3.645 2-1/4 4.091 2-1/2 4.538 2-3/4 4.985 3 5.432 3-1/2 6.325 4 7.218 5 9.005 6 10.792 6-1/2 11.685 7 12.578 8 14.365 9 16.152 10 17.938 12 21.512 14 25.085 16 28.658 18 32.232 20 35.805 24 42.952 32 57.2455/8 x 5/8 1.471 3/4 1.748 1 2.301 1-1/4 2.854 1-1/2 3.407 1-3/4 3.960 2 4.513 2-1/4 5.066 2-1/2 5.619

5/8 x 2-3/4 6.172 3 6.725 3-1/2 7.831 4 8.937 4-1/2 10.043 5 11.149 6 13.361 8 17.785 10 22.209 12 26.633 16 35.482 20 44.330 24 53.178 32 70.8753/4 x 3/4 2.084 1 2.743 1-1/4 3.402 1-1/2 4.062 1-3/4 4.721 2 5.380 2-1/4 6.040 2-1/2 6.699 2-3/4 7.359 3 8.018 3-1/2 9.337 4 10.655 5 13.293 6 15.930 8 21.205 10 26.480 12 31.755 16 42.305 20 52.855 24 63.405 32 84.5057/8 x 7/8 2.803 1 3.185 1-1/4 3.951 1-1/2 4.717 1-3/4 5.483 2 6.248 2-1/4 7.014 2-1/2 7.780 2-3/4 8.545

•Refer to pages 8-34 thru 8-35 for alloy tolerances.•Sizes not listed above can be cut from plate.


8-13


AISI 4140/4142 - (mOD) PRE-HARDENED DCFFLATS AND SQUARES HR PRE-HARDENED (Cut From Plate) SIZE CHART ANNEALED DCF HR ANNEALED

1-1/2 x 1-1/2 7.992 1-3/4 9.290 2 10.587 2-1/4 11.885 2-1/2 13.182 2-3/4 14.480 3 15.803 3-1/2 18.372 4 20.967 4-1/2 23.562 5 26.157 6 31.347 8 41.727 10 52.106 12 62.486 16 83.246 20 104.005 24 124.765 32 166.2841-3/4 x 1-3/4 10.813 2 12.323 3 18.364 3-1/2 21.384 4 24.404 4-1/2 27.425 5 30.445 6 36.486 8 48.567 10 60.648 12 72.730 16 96.893 20 121.055 24 145.218 32 193.5432 x 2 14.059 2-1/4 15.781 2-1/2 17.504 2-3/4 19.227 3 20.950 3-1/2 24.396 4 27.842 4-1/2 31.287 5 34.733 6 41.625 8 55.407

Size Charts

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

7/8 x 3 9.311 3-1/2 10.843 4 12.374 4-1/2 13.905 5 15.437 6 18.500 8 24.626 10 30.751 12 36.877 16 49.129 20 61.380 24 73.632 32 98.1351 x 1 3.628 1-1/4 4.500 1-1/2 5.372 1-3/4 6.244 2 7.116 2-1/4 7.988 2-1/2 8.860 2-3/4 9.723 3 10.604 3-1/2 12.349 4 14.093 4-1/2 15.837 5 17.581 6 21.069 7 24.557 8 28.046 9 31.534 10 35.022 12 41.999 16 55.952 20 69.905 24 83.858 32 111.7641-1/8 x 1-1/4 5.049 1-1/2 6.027 2 7.984 2-1/2 9.941 3 11.898 3-1/2 13.854 4 15.811 5 19.725 6 23.639 8 31.466

1-1/8 x 10 39.293 12 47.121 16 62.775 20 78.430 24 94.085 32 125.3941-1/4 x 1-1/4 5.597 1-1/2 6.682 1-3/4 7.767 2 8.852 2-1/4 9.936 2-1/2 11.021 2-3/4 12.106 3 13.191 3-1/2 15.360 4 17.530 4-1/2 19.699 5 21.869 6 26.208 8 34.886 10 43.564 12 52.243 16 69.599 20 85.080 24 104.311 32 139.0241-3/8 x 1-3/8 6.742 1-1/2 7.337 1-3/4 8.528 2 9.720 2-1/4 10.911 2-1/2 12.102 2-3/4 13.293 3 14.484 3-1/2 16.866 4 19.248 5 24.013 6 28.777 8 38.306 10 47.835 12 57.364 16 76.422 20 95.480 24 114.538 32 152.654



8-14


AISI 4140/4142 - (mOD) PRE-HARDENED DCFFLATS AND SQUARES HR PRE-HARDENED (CUT FROm PLATE) SIZE ANNEALED DCF HR ANNEALED

Size Charts

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

•Refer to pages 8-34 thru 8-35 for alloy tolerances. •Sizes not listed above can be cut from plate.

2 x 10 69.190 12 82.973 16 110.539 20 138.105 24 165.671 32 220.8032-1/4x 2-1/4 17.730 2-1/2 19.665 3 23.537 3-1/2 27.408 4 31.279 5 39.021 6 46.763 8 62.248 10 77.732 12 93.217 16 124.186 20 155.155 24 186.124 32 248.0632-1/2 x 2-1/2 21.826 2-3/4 23.975 3 26.123 3-1/2 30.420 4 34.716 5 43.309 6 51.902 8 69.088 10 86.275 12 103.461 16 137.833 20 172.205 24 206.578 32 275.3222-3/4 x 2-3/4 26.348 3 28.709 4 38.153 5 47.597 6 57.041 8 75.929 10 94.817 12 113.704 16 151.480

2-3/4 x 20 189.255 24 227.031 32 302.5823 x 3 31.296 3-1/2 36.443 4 41.591 5 51.885 6 62.180 8 82.769 10 103.359 12 123.948 16 165.127 20 206.305 24 247.484 32 329.8423-1/2 x 3-1/2 42.467 4 48.465 5 60.461 6 72.458 8 96.450 10 120.443 12 144.435 16 192.420 20 240.405 24 288.391 32 384.3614 x 4 55.339 5 69.037 6 82.735 8 110.131 10 137.527 12 164.922 16 219.714 20 274.506 24 329.297 32 438.8804-1/2 x 4-1/2 70.745 5 78.445 6 93.844 8 124.643 10 155.442 12 186.241 16 247.839

4-1/2 x 20 309.437 24 371.035 32 494.2315 x 5 87.113 6 104.214 8 138.416 10 172.618 12 206.820 16 275.225 20 343.629 24 412.033 32 548.8425-1/2 x 5-1/2 105.1826 x 6 124.953 8 165.962 10 206.970 12 247.979 16 329.996 24 494.030 32 658.0647 x 7 169.600 8 193.507 10 241.322 12 289.137 16 384.767 20 480.397 24 576.027 32 767.2878 x 8 221.053 10 275.674 12 330.295 16 439.538 20 548.726 24 658.024 32 876.509

8-15


AISI 4140 - AS ROLLED ALSO AVAILABLEPLATE SIZE CHART IN ANNEALED AND PRE-HARDENED4140 Hot Rolled - As Rolled is available to be saw cut or flame cut to custom sizes.

Thickness Weight(per sq. ft.)

Thickness Weight(per sq. ft.)

1/2 20.42 5/8 25.53 3/4 30.60 7/8 35.735 1 40.80 1-1/4 51.10 1-1/2 61.30 1-5/8 66.40 1-3/4 71.47 1-7/8 76.575 2 81.70 2-1/4 91.90 2-1/2 102.10 2-3/4 112.30 3 122.50 3-1/4 132.73 3-1/2 142.90 3-3/4 153.15 4 163.30

4-1/4 173.57 4-1/2 183.78 4-3/4 193.99 5 204.20 5-1/4 214.40 5-1/2 224.62 5-3/4 234.83 6 245.04 6-1/4 255.25 6-1/2 265.45 6-3/4 275.67 7 285.88 7-1/2 306.30 8 326.72 8-1/4 336.93 8-1/2 347.14 8-3/4 357.35 9 367.56


Alro has a variety of in-house plate processing services designed to save you time by getting you steps closer to your finished product. Ask your Alro Sales Representative about our plate processing services including grinding, top and bottom.

8-16


AISI 4150 HOT ROLLED ANNEALED ROUNDS SIZE CHART

2 10.680 2-1/8 12.234 2-1/4 13.704 2-3/8 15.258 2 -1/2 16.896 2-5/8 18.724 2-3/4 20.533 2-7/8 22.426 3 24.409 3-1/8 26.463 3-1/4 28.606 3-1/2 33.143 3-5/8 35.692

3-3/4 38.175 4 43.394 4-1/8 46.123 4-1/4 48.939 4-1/2 54.822 4-3/4 61.243 5 67.804 5-1/4 74.699 5-1/2 81.928 5-3/4 90.203 6 98.146 6-1/4 106.390 6-1/2 114.985

6-3/4 123.078 7 133.779 7-1/4 143.397 7-1/2 153.348 7-3/4 163.633 8 174.251 8-1/4 185.204 8-1/2 197.178 8-3/4 208.818 9 220.816 9-1/4 228.456 9-1/2 245.741 10 273.753

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)


4150 grade is a medium-carbon, chromium-molybdenum steel. 4150 is also capable of good strength and wear resistance, has excellent toughness, good ductility and has the ability to resist stress and creep at prolonged high temperatures. In the annealed condition, machinability is improved.

TYPICAL ANALYSIS AISI 4150 Carbon (C) .48/.53 Manganese (Mn) .75/1.00 Phosphorus (P) .035 max Sulphur (S) .02/.04 Chromium (Cr) .80/1.10 Molybdenum (Mo) .15/.25 Silicon (Si) .15/.35 Nickel (Ni) .25 max Copper (Cu) .35 max Vanadium (V) .10 max Aluminum (Al) .020 to .050 Hydrogen (H) 3 ppm maxBRINELL HARDNESS 229 maxMicrostructure - Steel to have a predominately lamellar pearlite structure for optimum machinability.


alro.com alro.com

AISI 4150 HOT ROLLED ANNEALED

8-17


(RESULPHURIZED, HOT ROLLED, QUENCHED AND TEmPERED, STRESS RELIEVED)

4150R HR Q&T SR is a free-machining alloy steel that provides an outstanding com bination of heat treated properties and superior machinability. This alloy steel is manufactured under close quality control for uniformity to an ASTM grain size of 5 to 8. It is especially suitable for service applications where substantial strength, toughness and hardness are required.

TYPICAL ANALYSIS AISI 4150 Carbon (C) .48/.53 Manganese (Mn) .75/1.00 Silicon (Si) .15/.30 Tungsten (W) Molybdenum (Mo) .15/.25 Chromium (Cr) .80/1.10 Vanadium (V) Sulphur (S) .06/.10 Phosphorus (P) .035 MAXHEAT TREATMENT Quenched from 1525ºF (828ºC) Tempered at 1100ºF (593ºC) Quenching medium O (I)TENSILE STRENGTH approx. 110,000 lbs psiYIELD POINT approx. 85,000 lbs psiBRINELL HARDNESS 269-321ROCKWELL C 28-32ELONGATlON IN 2" 16%REDUCTION IN AREA 51%ROUNDS 1/2" - 10-1/2" Hot rolled, heat treated, stress relieved. BHN 262/311ROUNDS 11" - 20" Forged, heat treated, stress relieved. BHN 262/311FLATS AND SQUARES Hot rolled, heat treated, machine straightened, stress relieved. BHN 269/321

•Refer to pages 14-24 thru 14-25 for notes (a) to (o), incI., explanation of letter 0, A, S, B and W.(1) Per ASTM A434 Class BC

HRAISI 4150R Q&T SR

Alro SteelMetals • Industrial Supplies • Plastics

(888) 888-ALRO 2 5 7 6

alro.com

Contact us today and learn more about The Alro Difference!

8-18


AISI 4150R Q&T SR ROUNDS SIZE CHART

3/4 1.500 7/8 2.040 1 2.676 1-1/8 3.384 1-1/4 4.176 1-3/8 5.052 1-1/2 6.012 1-5/8 7.056 1-3/4 8.172 1-7/8 9.384 2 10.680 2-1/8 12.234 2-1/4 13.704 2-3/8 15.258 2 -1/2 16.896 2-5/8 18.724 2-3/4 20.533 2-7/8 22.426 3 24.409 3-1/8 26.463 3-1/4 28.606

3-1/2 33.143 3-5/8 35.692 3-3/4 38.175 4 43.394 4-1/8 46.123 4-1/4 48.939 4-1/2 54.822 4-3/4 61.243 5 67.804 5-1/4 74.699 5-1/2 81.928 5-3/4 90.203 6 98.146 6-1/4 106.390 6-1/2 114.985 6-3/4 123.078 7 133.779 7-1/4 143.397 7-1/2 153.348 7-3/4 163.633 8 174.251

8-1/4 185.204 8-1/2 197.178 8-3/4 208.818 9 220.816 9-1/4 228.456 9-1/2 245.741 10 273.753 10-1/2 301.458 11 330.498 11-1/2 360.874 12 394.541 12-1/2 427.665 13 462.124 13-1/2 497.918 14 535.047 15 613.310 16 696.913 17 785.856 18 880.139 19 979.762 20 1084.725

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)


HR

4150R HR Q&T SR is especially suitable for service applications where substantial strength, toughness, and hardness are required.


alro.com alro.com

8-19


Size Charts

4150 DYBAR - (mOD) RS4150 Dybar is a special quality alloy steel that has been resulphurized for consider-ations for machining. Modifications have been made to the chemical composition for increased hardenability. This steel is made by a single slab electric furnace process to a silicon fully killed practice and resulphurized to set limits.

TYPICAL ANALYSIS AISI 4150 Carbon (C) .47/.55 Manganese (Mn) .95/1.30 Silicon (Si) .20/.35 Molybdenum (Mo) .15/.25 Chromium (Cr) .60/.90 Vanadium (V) .10 MAX Sulphur (S) .06/.10 Phosphorus (P) .025 MAX Nickel (Ni) .25 MAX Columbium .015/.035

•Refer to pages 8-34 thru 8-35 for alloy tolerances. •Sizes not listed above can be cut from plate.

HR

4150 DYBAR - (mOD) RSFLATS SIZE CHART

HR

Size (inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

5/8 x 2-1/2 5.471 3 6.566 4-1/2 9.8481 x 2-1/2 8.755 3-1/2 12.250 4-1/2 15.7591-1/8 x 2-1/2 9.848 3-1/2 13.788 4-1/2 17.728 5 19.698 8 31.5501-1/4 x 2-1/2 10.943 3-1/2 15.321 4 17.510 4-1/2 19.698 5 21.887 7 30.6701-1/2 x 2-1/2 13.132 3 15.759 3-1/2 18.385 4 21.012 4-1/2 23.638 5 26.265 6 31.518 7 36.810 8 42.024

1-3/4 x 3-1/4 19.9402 x 2-1/2 17.510 3 21.012 3-1/2 24.514 4 28.016 4-1/2 31.518 5 35.050 6 42.060 8 56.0802-1/2 x 2-1/2 21.887 3 26.265 3-1/2 30.642 4 35.020 4-1/2 39.397 6 52.5303 x 3 31.518 4 42.024 5 52.530 6 63.0363-1/2 x 3-1/2 42.8994 x 4 56.040 8 112.1704-5/8 x 4-5/8 74.0655-1/8 x 5-1/8 93.6665-5/8 x 5-5/8 112.6526-1/8 x 6-1/8 133.085

8-20


4340 is a highly alloyed steel with high nickel and chromium content which assures deep hardening when oil quenched, with high strength characteristics throughout the section. Used for heavily stressed parts operating under strenuous conditions.

TYPICAL ANALYSIS AISI 4340 Carbon (C) .38/.43 Manganese (Mn) .60/.80 Silicon (Si) .15/.35 Molybdenum (Mo) .20/.30 Chromium (Cr) .70/.90 Nickel (Ni) 1.65/2.00 Sulphur (S) .040 MAX Phosphorus (P) .035 MAXHEAT TREATMENT Oil Quenched from 1550ºF (828ºC) Temper as shown: 1" Round (center) Tensile Yield BHN RC 800º 208,000 200,000 415 44 1000º 174,000 163,000 352 38 1200º 142,000 124,000 285 30 4" Round (1/2 radius) Tensile Yield BHN RC 800º 193,000 184,000 401 42 1000º 170,000 159,000 341 37 1200º 136,000 119,000 269 28Quench: 1475º to 1550ºAnneal: 1475º to 1700º

HR

4340 is readily available from Alro Steel. Ask your Alro sales representative about our in-house services designed to speed up your turnaround time.

AISI 4340 - ANNEALED/Q&T

Available in Annealed and Q&T machinable state.

8-21


Size Charts

AISI 4340 - ANNEALED ROUNDS SIZE CHART Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

3/4 1.500 7/8 2.040 1 2.676 1-1/8 3.384 1-1/4 4.176 1-3/8 5.052 1-1/2 6.012 1-5/8 7.056 1-3/4 8.172 1-7/8 9.384 2 10.680 2-1/8 12.234 2-1/4 13.704 2-3/8 15.258 2-1/2 16.896 2-3/4 20.533 3 24.469 3-1/4 28.606 3-1/2 33.143

3-3/4 38.175 4 43.394 4-1/8 46.123 4-1/4 48.939 4-1/2 54.822 4-5/8 58.088 4-3/4 61.243 5 67.804 5-1/4 74.699 5-1/2 81.928 5-3/4 90.203 6 98.146 6-1/4 106.390 6-1/2 114.985 6-3/4 123.078 7 133.779 7-1/2 153.348 8 174.251 8-1/4 185.204

8-1/2 197.178 9 220.816 9-1/4 233.100 9-1/2 245.741 10 273.753 10-1/2 301.458 11 330.498 11-1/2 360.874 12 392.584 12-1/2 427.665 13 462.124 13-1/2 497.985 14 535.047 15 613.310 16 696.913 17 786.710 18 880.139 20 1084.725

•Rounds 1/2" - 11" are Hot Rolled Annealed•Rounds over 11" are Forged, Rough Turned, Annealed. •Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 20' randoms

HR

AISI 4340 - HR Q&T ROUNDS Diameter (inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

1 2.670 1-1/8 3.379 1-1/4 4.170 1-3/8 5.048 1-1/2 6.010 1-5/8 7.050 1-3/4 8.180 1-7/8 9.387 2 10.680 2-1/8 12.234 2-1/4 13.704 2-3/8 15.258 2-1/2 16.896 2-5/8 18.724 2-3/4 20.533 2-7/8 22.426

3 24.409 3-1/8 26.463 3-1/4 28.606 3-1/2 33.143 3-3/4 38.175 4 43.394 4-1/4 48.939 4-1/2 54.822 4-3/4 61.243 5 67.804 5-1/4 74.699 5-1/2 81.928 5-3/4 90.203 6 98.146 6-1/4 106.390 6-1/2 114.985

6-3/4 123.078 7 133.779 7-1/4 143.397 7-1/2 153.348 7-3/4 163.633 8 174.251 8-1/4 185.204 8-1/2 197.178 9 220.816 9-1/2 245.741 10 273.753 10-1/2 301.458 11 330.498 11-1/2 360.874

8-22


AISI 6150 - ANNEALEDAn electric furnace melt of chrome vanadium steel possessing the following characteristics: oil-hardening, high resistance to vibratory stress, standard deforma tion, medium hardness, high torque strength and bright polish.

TYPICAL APPLICATIONSArbors, Heavy Machinery Parts, Gears, Shafts, High Strength Studs and Spindles.

TYPICAL ANALYSIS AISI 6150 Carbon (C) .48/.53 Manganese (Mn) .70/.90 Silicon (Si) .15/.30 Phosphorus (P) .035 MAX Sulphur (S) .040 MAX Molybdenum (Mo) Chromium (Cr) .80/1.10 Vanadium (V) .15 MIN Cobalt (Co)FORGING (a) 1750-2150ºF Start forging at (950-1175ºC) Do not forge below 1600º F (870ºC)NORMALIZING (b) 1650-1700ºF (899-927ºC)ANNEALING (c) Temperature 1525-1575ºF (828-855ºC) Rate of cooling, max. per hour Typical annealed hardness, Brinell 179-217HARDENING Rate of heating Slowly Preheat temperature Hardening temperature 1500-1550ºF (816-843ºC) Time at temperature, minutes Quenching medium O (I)TEMPERING Tempering temperature 400ºF (204ºC)

Approx. tempered hardness, Rockwell C 56-58WEAR RESISTANCE MediumTOUGHNESS Very HighRESISTANCE TO SOFTENING EFFECT OF ELEVATEDTEMPERATURE LowDEPTH OF HARDENING MediumMACHINABILITY MediumGRINDABILITY HighDISTORTION IN HEAT TREATING MediumSAFETY IN HARDENING LowRESISTANCE TO CARBURIZATION Medium

•Refer to pages 14-24 thru 14-25 for notes (a) to (o), incI., explanation of letter 0, A, S, B and W.

DCF

8-23


Size Charts

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

1/2 x 1/2 0.965 5/8 1.188 3/4 1.410 1 1.858 1-1/4 2.305 1-1/2 2.751 1-3/4 3.198 2 3.645 2-1/4 4.091 2-1/2 4.538 2-3/4 4.985 3 5.432 3-1/2 6.325 4 7.218 5 9.005 6 10.792 8 14.365 10 17.938 12 21.512 16 28.658 20 35.805 24 42.9525/8 x 5/8 1.471 3/4 1.748 1 2.301 1-1/4 2.854 1-1/2 3.407 1-3/4 3.960 2 4.513 2-1/4 5.066 2-1/2 5.619 2-3/4 6.172 3 6.725 3-1/2 7.831 4 8.937 4-1/2 10.043 5 11.149 5-1/2 12.255 6 13.361 7 15.573 8 17.785 9 19.997 10 22.209 12 26.633 16 35.482 20 44.330 24 53.178

5/8 x 32 70.8753/4 x 3/4 2.084 1 2.743 1 -1/4 3.402 1 -1/2 4.062 1-3/4 4.721 2 5.380 2 -1/4 6.040 2 -1/2 6.699 2 -3/4 7.359 3 8.018 3 -1/2 9.337 4 10.655 5 13.293 6 15.930 8 21.205 10 26.480 12 31.755 16 42.305 20 52.855 24 63.405 32 84.505 1 x 1 3.628 1 -1/4 4.500 1 -1/2 5.372 1 -3/4 6.244 2 7.116 2 -1/4 7.988 2 -1/2 8.860 2 -3/4 9.723 3 10.604 3 -1/2 12.349 4 14.093 4 -1/2 15.837 5 17.581 6 21.069 7 24.557 8 28.046 10 35.022 12 41.999 16 55.952 20 69.905 24 83.858 32 111.7641-1/8 x 2 -1/2 9.941 4 -1/2 17.208

1-1/4 x 1 -1/4 5.597 1 -1/2 6.682 1 -3/4 7.767 2 8.852 2 -1/4 9.936 2 -1/2 11.021 2 -3/4 12.106 3 13.191 3 -1/2 15.360 4 17.530 4 -1/2 19.699 5 21.869 6 26.208 8 34.886 10 43.564 12 52.243 16 69.599 20 85.080 24 104.311 32 139.0241-3/8 x 1 -3/8 6.742 1 -1/2 7.337 1 -3/4 8.528 2 9.720 2 -1/4 10.911 2 -1/2 12.102 2 -3/4 13.293 3 14.484 3 -1/2 16.866 4 19.248 5 24.013 6 28.777 8 38.306 10 47.835 12 57.364 16 76.422 20 95.480 24 114.538 32 152.6541-1/2 x 1 -1/2 7.992 1 -3/4 9.290 2 10.587 2 -1/4 11.885 2 -1/2 13.182 2 -3/4 14.480 3 15.803 3 -1/2 18.372


DCF


AISI 6150 - ANNEALEDFLATS AND SQUARES (Cut From Plate) SIZE CHARTSize

(inches)Pounds(per ft.)

8-24


Size ChartsAISI 6150 - ANNEALEDFLATS AND SQUARES (Cut From Plate) SIZE CHART Size

(inches)Pounds(per ft.)

Size(inches)

Pounds(per ft.)

1-1/2 x 4 20.967 4 -1/2 23.562 5 26.157 6 31.347 8 41.727 10 52.106 12 62.486 16 83.246 20 104.005 24 127.765 32 166.2841-3/4 x 1 -3/4 10.813 2 12.323 3 18.364 3 -1/2 21.384 4 24.404 4 -1/2 27.425 5 30.445 5 -1/2 33.465 6 36.486 7 42.526 8 48.567 9 54.608 10 60.648 12 72.730 16 96.893 20 121.055 24 145.218 32 193.5432 x 2 14.059 2 -1/4 15.781 2 -1/2 17.504 2 -3/4 19.227 3 20.950 3 -1/2 24.396 4 27.842 4 -1/2 31.287 5 34.733 6 41.625 8 55.407 10 69.190 12 82.973

2 x 16 110.539 20 138.105 24 165.671 32 220.8032-1/2 x 2 -1/2 21.826 2 -3/4 23.975 3 26.123 3 -1/2 30.420 4 34.716 5 43.309 6 51.902 8 69.088 10 86.275 12 103.461 16 137.833 20 172.205 24 206.5783 x 3 31.296 3 -1/2 36.443 4 41.591 5 51.885 6 62.180 8 82.769 10 103.359 12 123.948 14 144.537 16 165.127 20 206.305 24 247.484 32 329.8423-1/2 x 3 -1/2 42.467 4 48.465 5 60.461 6 72.458 8 96.450 10 120.443 12 144.435 16 192.420 20 240.405 24 288.391 32 384.361

4 x 4 55.339 5 69.037 6 82.735 8 110.131 10 137.527 12 164.922 14 192.318 16 219.714 20 274.506 24 329.297 32 438.8804-1/2 x 4 -1/2 70.745 5 78.445 6 93.844 8 124.643 10 155.442 12 186.241 16 247.839 20 309.437 24 371.035 32 494.2315 x 5 87.113 6 104.214 8 138.416 10 172.618 12 206.820 16 275.225 20 343.629 24 412.033 32 548.8426 x 6 124.953 8 165.962 10 206.970 12 247.979 16 329.996 20 412.013 24 494.030 32 658.064

•Refer to pages 8-34 thru 8-35 for alloy tolerances. Sizes not listed above can be cut from plate.

DCF


alro.com alro.com

Size(inches)

Pounds(per ft.)

8-25


Size ChartsHR

6150 offers: oil-hardening, high resistance to vibratory stress, standard deforma tion, medium hardness, high torque strength, and bright polish.

AISI 6150 - ANNEALEDROUNDS SIZE CHART

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

1 2.676 1 -1/8 3.384 1 -1/4 4.176 1 -3/8 5.052 1 -1/2 6.012 1 -5/8 7.056 1 -3/4 8.180 1-7/8 9.390 2 10.680 2 -1/8 12.230 2 -1/4 13.704 2 -1/2 16.896 2-5/8 18.724 2 -3/4 20.533 3 24.409

3 -1/4 28.606 3 -1/2 33.143 3 -3/4 38.175 4 43.394 4 -1/4 48.939 4 -1/2 54.822 4 -3/4 61.243 5 67.804 5 -1/4 74.699 5 -1/2 81.928 5-3/4 90.203 6 98.146 6 -1/4 103.390 6 -1/2 114.985 7 133.771

7 -1/2 153.348 8 174.251 8 -1/2 197.178 9 220.816 9 -1/2 245.741 10 273.716 10 -1/2 303.179 11 332.298 11 -1/2 362.751 12 394.541 13 462.124 14 535.047 15 613.310 16 696.913

Over 10" is forged•Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 20' randoms


alro.com alro.com

8-26


AISI 8620/86L20Carefully controlled proportions of chromium, nickel and molybdenum are respon sible for the extensive use of 8620 as a carburizing alloy steel. Valuable features of this grade include extreme surface hardenability and internal strength.

TYPICAL ANALYSIS AISI 8620/86L20 Carbon (C) .18/.23 Manganese (Mn) .70/.90 Silicon (Si) .15/.30 Nickel (Ni) .40/.70 Molybdenum (Mn) .15/.25 Chromium (Cr) .40/.60 Phosphorus (P) .035 MAX Sulphur (S) .040 MAX *Lead .15/.35HEAT TREATMENT Carburize temperature 1700ºF (927ºC) (Allow to cool in carburizing box) Reheat temperature 155OºF (843ºC Quenching medium O (I)TENSILE STRENGTH 92,000 lbs. PSIYIELD POINT 64,000 lbs. PSIBRINELL HARDNESS 192ROCKWELL B 92ELONGATION IN 2" 25%REDUCTION IN AREA 58%MACHINABILITY 58%

Need Thermal Processing?At the Alro Steel Processing Center we offer:• Stress Relieving • Normalizing • Annealing

Alro Steel Processing CenterWe Process Parts to Your Specification

For more information call today!

alro.com

•Refer to pages 14-24 thru 14-25 for notes (a) to (o), incI., explanation of letter 0, A, S, B and W.*Applies only to 8620 leaded alloy steel bars.

8-27


Size ChartsAISI 8620 FLATS AND SQUARES CUT FROm PLATE

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

3/8 x 3/8 0.594 1/2 0.765 5/8 0.935 3/4 1.105 1 1.446 1 -1/4 1.786 1 -1/2 2.126 1 -3/4 2.467 2 2.807 2 -1/4 3.147 2 -1/2 3.488 2 -3/4 3.827 3 4.168 3 -1/2 4.849 4 5.530 6 8.2521/2 x 1/2 1.004 5/8 1.227 3/4 1.451 1 1.897 1 -1/4 2.344 1 -1/2 2.791 1 -3/4 3.237 2 3.684 2 -1/4 4.131 2 -1/2 4.577 2 -3/4 5.024 3 5.471 3 -1/2 6.364 4 7.257 4 -1/2 8.151 5 9.044 6 10.831 7 12.618 8 14.404 10 17.978 12 21.551 16 28.697 20 35.844 24 42.9915/8 x 5/8 1.520 3/4 1.796 1 2.349 1 -1/4 2.902 1 -1/2 3.455 1 -3/4 4.008 2 4.561

5/8 x 2 -1/4 5.114 2 -1/2 5.667 2 -3/4 6.220 3 6.773 3 -1/2 7.879 4 8.985 4 -1/2 10.092 5 11.198 6 13.410 8 17.834 10 22.257 12 26.682 16 35.530 20 44.378 24 53.2273/4 x 3/4 2.141 1 2.801 1 -1/4 3.460 1 -1/2 4.120 1 -3/4 4.779 2 5.438 2 -1/4 6.098 2 -1/2 6.757 2 -3/4 7.417 3 8.076 3 -1/2 9.395 4 10.713 4 -1/2 12.032 5 13.351 6 15.988 8 21.263 10 26.538 12 31.813 16 42.363 20 52.913 24 63.4631 x 1 3.704 1 -1/8 4.141 1 -1/4 4.577 1 -1/2 5.449 1 -3/4 6.321 2 7.193 2 -1/4 8.065 2 -1/2 8.937 2 -3/4 9.809 3 10.681 3 -1/2 12.425

1 x 4 14.169 4 -1/2 15.914 5 17.658 6 21.146 8 28.123 10 35.099 12 42.076 16 56.028 20 69.981 24 83.9341-1/4 x 1 -1/4 5.692 1 -1/2 6.778 1 -3/4 7.862 2 8.947 2 -1/4 10.032 2 -1/2 11.117 2 -3/4 12.201 3 13.286 3 -1/2 15.456 4 17.625 4 -1/2 19.795 5 21.964 6 26.304 8 34.982 10 43.660 12 52.338 16 69.694 20 87.050 24 104.4061-1/2 x 1 -1/2 8.106 2 10.702 2 -1/4 11.999 2 -1/2 13.296 2 -3/4 14.594 3 15.891 3 -1/2 18.486 4 21.081 4 -1/2 23.676 5 26.271 6 31.461 8 41.841 10 52.221 12 62.600 16 83.359 20 104.119 24 124.878

•Refer to pages 8-34 thru 8-35 for alloy tolerances.• Sizes not listed above can be cut from plate.• Weights above include nominal oversize tolerance. Actual weights may vary.

HR


8-28


AISI 8620 FLATS AND SQUARES CUT FROm PLATE SIZE CHART

HR

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

Size(inches)

Pounds(per ft.)

1-3/4 x 1 -3/4 10.945 2 12.456 2 -1/2 15.476 3 18.497 4 24.537 4 -1/2 27.557 5 30.578 6 36.619 8 48.700 10 60.781 12 72.862 16 97.025 20 121.188 24 145.3502 x 2 14.210 2 -1/4 15.933 2 -1/2 17.656 2 -3/4 19.379 3 21.102 3 -1/2 24.547 4 27.993 4 -1/2 31.438 5 34.885 6 41.776 8 55.559 9 62.451 10 69.342 12 83.125 16 110.690 20 138.257 24 165.8222-1/4 x 2 -1/4 17.900 2 -1/2 19.836

2-1/4 x 2 -3/4 21.771 3 23.707 3 -1/2 27.578 4 31.449 4 -1/2 35.320 5 39.191 5 -1/2 43.063 6 46.934 8 62.418 10 77.903 12 93.387 16 124.357 20 155.326 24 165.8232-1/2 x 2 -1/2 22.015 2 -3/4 24.164 3 26.312 3 -1/2 30.609 4 34.905 4 -1/2 39.202 5 43.498 5 -1/2 47.795 6 52.091 8 69.277 10 86.464 12 103.650 16 138.022 20 172.394 24 206.7673 x 3 31.522 3 -1/2 36.670 4 41.817 4 -1/2 46.964

3 x 5 52.112 6 62.406 8 82.996 10 103.585 12 124.174 16 165.353 20 206.532 24 247.7113-1/2 x 3 -1/2 42.730 4 48.525 4 -1/2 54.523 5 60.521 5 -1/2 66.723 6 72.518 8 96.510 10 120.502 12 144.495 16 192.480 20 240.465 24 288.451 4 x 4 55.408 4 -1/2 62.257 5 69.106 5 -1/2 75.955 6 82.804 8 110.199 10 137.595 12 164.991 16 219.782 20 274.574 24 329.366



alro.com alro.com

8-29


Size Charts

Size Charts

•Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 18' - 20' randoms

HRAISI 8620 ROUNDS SIZE CHART

5/8 1.044 3/4 1.500 7/8 2.040 1 2.676 1-1/16 3.01 1-1/8 3.384 1-3/16 3.76 1-1/4 4.176 1-5/16 4.60 1-3/8 5.052 1-7/16 5.52 1-1/2 6.012 1-5/8 7.056 1-3/4 8.172 1-7/8 9.384 2 10.680 2-1/8 12.234 2-1/4 13.704 2-3/8 15.258 2-1/2 16.896 2-5/8 18.724 2-3/4 20.533 2-7/8 22.426 3 24.409 3-1/8 26.463

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

3-1/4 28.606 3-1/2 33.143 3-5/8 35.692 3-3/4 38.175 4 43.394 4-1/8 46.123 4-1/4 48.939 4-1/2 54.822 4-3/4 61.243 5 67.804 5-1/4 74.699 5-1/2 81.928 5-3/4 90.203 6 98.146 6-1/4 106.390 6-1/2 114.985 6-3/4 123.078 7 133.779 7-1/4 143.397 7-1/2 153.348 7-3/4 163.633 8 174.251 8-1/4 185.204 8-1/2 197.178 8-3/4 208.818

9 220.816 9-1/4 233.100 9-1/2 245.741 9-3/4 253.812 10 273.753 10-1/4 287.439 10-1/2 301.458 11 330.498 11-1/2 362.752 12 392.584 12-1/2 434.041 13 462.124 14 535.047 15 613.310 16 696.913 17 785.852 18 880.258 19 976.590 20 1084.872 22 1307.000 24 1558.188

1/4 0.167 5/16 0.261 3/8 0.375 7/16 0.511 1/2 0.668 9/16 0.845 5/8 1.043 11/16 1.262 3/4 1.502 13/16 1.763 7/8 2.044 15/16 2.347 1 2.670 1-1/16 3.014 1-1/8 3.379

•Refer to pages 8-34 thru 8-35 for alloy tolerances. Stock lengths 12' (20' available in most sizes).

AISI 8620ROUNDS SIZE CHART

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

CF

1-3/16 3.765 1-1/4 4.172 1-5/16 4.599 1-3/8 5.048 1-7/16 5.517 1-1/2 6.008 1-5/8 7.050 1-3/4 8.177 1-7/8 9.387 2 10.680 2-1/8 12.057 2-1/4 13.517 2-3/8 15.060 2-1/2 16.688 2-5/8 18.398

2-3/4 20.192 2-7/8 22.069 3 24.030 3-1/8 26.074 3-1/4 28.202 3-3/8 30.413 3-1/2 32.708 3-3/4 37.547 4 42.720 4-1/4 48.227 4-1/2 54.068 4-3/4 60.242 5 66.750 6 96.120

8-30


Size Charts

Size Charts

3/8 0.38 1/2 0.67 9/16 0.85 5/8 1.04 3/4 1.50 7/8 2.04 1 2.67 1-1/8 3.38

AISI 86L20ROUNDS SIZE CHART

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

Diameter(inches)

Pounds(per ft.)

CF

1-1/4 4.17 1-3/8 5.05 1-7/16 5.52 1-1/2 6.01 1-5/8 7.05 1-3/4 8.18 1-7/8 9.39 2 10.68

2-1/8 12.06 2-1/4 13.52 2-1/2 16.69 2-5/8 18.40 2-3/4 20.19 3 24.03 3-1/2 32.71

AISI 8620PLATE

ThicknessWeight

(per sq. ft.) Thickness

1/2 20.4 3/4 30.6 1 40.8 1-1/8 45.9 1-1/4 51.0 1-1/2 61.2 1-3/4 71.47 2 81.6

2-1/4 91.89 2-1/2 102.0 2-3/4 112.31 3 122.4 3-1/2 142.9 4 163.3

HR

Weight(per sq. ft.)



alro.com alro.com

AISI 52100AISI 52100 is a moderately deep hardening alloy having high resistance to wear, medium toughness, and low resistance to softening at high temperatures.

TYPICAL ANALYSIS AISI 52100 Carbon (C) .98/1.10 Manganese (Mn) .25/0.45 Silicon (Si) .15-.30 Chromium (Cr) 1.30/1.60 Phosphorus (P) .025 MAX Sulphur (S) .025 MAXPHYSICAL PROPERTIES Contact Alro for specific certification.

8-31


AISI 52100 ROUNDS SIZE CHART

3/8 0.380 X 1/2 0.667 X 5/8 1.042 X 3/4 1.501 X 13/16 1.760 X 7/8 2.044 X 1 2.670 X 1-1/8 3.379 X 1-1/4 4.171 X 1-3/8 5.047 X 1-1/2 6.007 X 1-5/8 7.050 X X 1-3/4 8.176 X X 1-13/16 8.780 X 1-7/8 9.386 X X 2 10.680 X 2-1/4 13.512 X 2-3/8 15.060 X 2-1/2 16.687 X 2-5/8 18.400 X 2-3/4 20.191 X 2-7/8 22.069 X 3 24.030 X 3-1/4 28.201 X 3-1/2 32.710 X 3-3/4 37.547 X 4 42.720 X 4-1/4 48.230 X 4-1/2 54.067 X 4-3/4 60.240 X 5 66.750 X 5-1/4 73.590 X 5-1/2 80.767 X 6 96.120 X 6-1/4 104.296 X 6-1/2 112.807 X 6-3/4 123.078 X 7 130.830 X 7-1/2 150.187 X 8 170.880 X 8-1/2 197.178 X 9 220.816 X 10 273.753 X 11 332.298 X 12 393.535 X

Diameter(inches)

Pounds(per ft.)

CFSpheroidize

Annealed, B.Q.

HR Spheroidize

Annealed, B.Q.

8-32


ALRO BRAKE DIEPREHARDENED BRINELL 269/321

Alro Brake Die is a medium alloy steel heat treated at mill by oil quenching and tempering to develop the best balance of mechanical properties. This prehardened steel has every requisite for all around good service in any application requiring wear resistance, toughness, high mechanical properties, and good machinability. In addition, the bars are stress-relieved before final straightening. This ensures a minimum of residual stresses so that bars remain straight during machining.

ADVANTAGES

Heat treated and ready to use for maximum wear and toughness. Machines easily without warping - due to stress relief treatment. Machines to a smooth surface without grinding.

TYPICAL APPLICATIONS

Brake Die steel may be used for all types of dies for the forming and bending of sheets, strip and other flat-rolled metallic and non-metallic materials. Many machine parts, requiring a steel with high mechanical properties, can be made from Brake Die. Back up and support tooling, die holders, and short-run stamping and bending dies all offer opportunities to utilize the unique prehardened yet machinable characteristics of Brake Die.

TYPICAL ANALYSIS Brake Die Carbon (C) .48/.53 Manganese (Mn) .87/1.05 Molybdenum (Mo) .25/.35 Chromium (Cr) .90/1.25PHYSICAL PROPERTIES1" ROUND BAR TESTED ON THE DRAW OF 1200oF (649oC) Tensile Strength ............................................141,000 psi Yield Strength ...............................................130,000 psi Elongation ....................................................18% Brinell Hardness ...........................................275 Rockwell C Hardness ...................................28FLAME HARDENING Higher hardnesses at wear points may be achieved by merely heating a oxyacetylene torch long enough to heat surface to a cherry red at approximately 1,500oF. Maintain flame nozzle 1/4" from work piece. No quench required. This portion of metal will harden to a Rockwell of 54-59; due to the rapid cooling produced by the conduction of heat from the small heated area

into the larger adjacent areas which have not been heat treated. Reasonable care should be taken to prevent over heating and melting.


alro.com alro.com

8-33


KPM Super Square, with its already-squared edges and tighter tolerances, may reduce purchased weight, many hours of valuable machine time, and increases die build efficiency.

MachinedMachIned

MachInedMachined

KPM Super Square

THICkNESS FINISH Ground or Milled

THICkNESS TOLERANCE +.015 to +.025

WIDTH FINISH Ground or Milled

WIDTH TOLERANCE +.015 to +.025

LENGTH FINISH Saw Cut

LENGTH TOLERANCE +.060 to +.187*

EDGE SQuARENESS .002 TIR

KPM Super Square - Alloy Grades

4140 Annealed 4140 Heat Treated

6150 8620

KPM Super Square - Tolerances

Thickness: +.015 to +.025 Width: +.015 to +.025 Squareness within: .002" TIR

KPM Super Square - Availability (Flats & Squares)

Available in most thicknesses and widths. Super Squarestarts at 1/2" thick and 1-1/2" wide up to 12" wide.

*Lengths (5-side or 6-side) can be machined to special tolerances if desired.

KPm SUPER SQUARE


alro.com alro.com

8-34


HOT ROLLED ALLOY BARS SIZE TOLERANCESAND OUT-OF-ROUND OROUT-OF SQUARE TOLERANCESHot Rolled Alloy Bars Round, Square, and Round-Cornered Square Size Tolerances (inches) Out-of-Round or Out-of-SquareSpecified Sizes (inches) Over under Section (inches)Up thru 5/16 0.005 0.005 0.008Over 5/16 thru 7/16 0.006 0.006 0.009Over 7/16 thru 5/8 0.007 0.007 0.010Over 5/8 thru 7/8 0.008 0.008 0.012Over 7/8 thru 1 0.009 0.009 0.013Over 1 thru 1-1/8 0.010 0.010 0.015Over 1-1/8 thru 1-1/4 0.011 0.011 0.016Over 1-1/4 thru 1-3/8 0.012 0.012 0.018Over 1-3/8 thru 1-1/2 0.014 0.014 0.021Over 1-1/2 thru 2 1/64 1/64 0.023Over 2 thru 2-1/2 1/32 0 0.023Over 2-1/2 thru 3-1/2 3/64 0 0.035Over 3-1/2 thru 4-1/2 1/16 0 0.046Over 4-1/2 thru 5-1/2 5/64 0 0.058Over 5-1/2 thru 6-1/2 1/8 0 0.070Over 6-1/2 thru 8-1/4 5/32 0 0.085Over 8-1/4 thru 9-1/2 3/16 0 0.100Over 9-1/2 1/4 0 0.120Out-of-round is the difference between the maximum and minimum diameters of the bar, measured at the same transverse cross section. Out-of-square section is the difference in perpendicular distance between opposite faces, measured at the same transverse cross section.

SIZE TOLERANCES - ROUNDSTurned & Ground/Turned, Ground & Polished

Diameter Not Heat Treated Heat TreatedRange (inches) All Carbons All CarbonsUp thru 1-1/2 +0 - 0.001 +0 - 0.001Over 1-1/2 thru 2-1/2 +0 - 0.0015 +0 - 0.0015Over 2-1/2 thru 3 +0 - 0.002 +0 - 0.002Over 3 thru 4 +0 - 0.003 +0 - 0.003Over 4 thru 6 +0 - 0.004 +0 - 0.005Over 6 +0 - 0.005 +0 - 0.006

DCF THICKNESS & WIDTH OVERSIZE RANGESThickness 1/2" thru 4" .................... +0.015 to +0.077 oversize on widthThickness over 4" ........................... +0.062 to +0.124 oversize on widthThickness ....................................... +0.015 to +0.035 oversize thru 4" ....................................................... +0.060 to +0.156 over 4"

8-35


THICKNESS TOLERANCES4140 HRA and 8620 HR FLATSALL wIdTHS RANGE FROM .035 - .124 OVERSIZE

Thickness (inches) Tolerance 3/8 ..................................................................... +.03 -.01 1/2 ..................................................................... +.03 -.01 5/8 ..................................................................... +.04 -.01 3/4 and 7/8 ........................................................ +.04 -.01 1 to 1-7/8 ........................................................... +.07 -.01 2 to 2-3/4 ............................................................+.11 -.01 3 to 3-3/4 ........................................................... +.13 -.01 4 to 4-1/2 ........................................................... +.15 -.01

ROUNDS(Cold Drawn OrTurned & Polished)Up thru 1-1/2 .003 .004 .006 .005Over 1-1/2 thru 2-1/2 .004 .005 .007 .006Over 2-1/2 thru 4 .005 .006 .008 .007Over 4 thru 6 .006 .007 .009Over 6 thru 8 .007 .008 .010Over 8 thru 9 .008 .009 .011

HEXAGONSUp thru 3/4 .003 .004 .007Over 3/4 thru 1-1/2 .004 .005 .008Over 1-1/2 thru 2-1/2 .005 .006 .009Over 2-1/2 thru 3-1/8 .006 .007 .010

SQUARESUp thru 3/4 .003 .005 .008Over 3/4 thru 1-1/2 .004 .006 .009Over 1-1/2 thru 2-1/2 .005 .007 .010Over 2-1/2 thru 3-1/8 .007 .009 .012

FLATS (Width)Up thru 3/4 .004 .006 .009Over 3/4 thru 1-1/2 .005 .007 .011Over 1-1/2 thru 3 .006 .008 .013Over 3 thru 4 .007 .010 .017Over 4 thru 6 .009 .012 .021Over 6 .014 . . . . . . . .

• Tolerances for flats apply to thickness as well as to width.

Carbonthru

.28% Max.

Max. CarbonOver .28%thru .55%

Size&

Shape

Max. CarbonOver .55%

OrAll CarbonsHeat Treated

STANdARd MANUFACTURING TOLERANCESCOLd FINISHEd ALLOY BARSUNdERSIZE VARIATION IN INCHES

E.T.D. 150®

8-36


008 alloys

Documents

typical analysis

heat treating

kpm super

transverse

general purpose

elevated temperature

high torque

alro sales