tirasteel machinery steel

Machinery Steel Series

High Quality Machinery Steel

Characteristic:

Good hardenability, strength, ductility, toughness

and good wear resistance, suitable to heat

treatment

Application:

High strength Machinery parts : Medium to highly

stressed parts for earth moving equipment,

crankshaft, shaft and gears, etc.

Comparison to International Standards: AISI : 4340

Werkstoff : 1.6582

DIN : 34 CrNiMo 6

BS : 816 M 40, 817 M 40

AFNOR : 35 NCD 6, 34 CrNiMo 8

JIS : SNCM 447

SIS : 2541


EAF + PRE-HARDENED

APPLICATION HQ 705

ESPECIALLY USED FOR HIGH LOAD SHAFT AND OTHER MACHINERY PARTS

APPLICATION HQ 705

Title : Shaft Clay Crusher

Material : HQ 705 diam. 260 x 4500 mm

Ukuran (fix) : Square 180 x 4500 mm

Function : Penghancur Clay

APPLICATION HQ 705

APPLICATION HQ 705

Title : Rotor Bar Ripple Mill

Material : HQ 705

Size : Dia. 19 - 20 x 390 mm


Characteristic:

Good hardenability, strength, toughness and impact

resistance

Application:

High strength Machinery parts : Medium and large

machinery parts requiring high tensile strength,

crankshaft, shaft and gears, etc.


Werkstoff : 1.7225

DIN : 42 CrMo 4

BS : 708 A 42, 708 M 40, 709 M 40

AFNOR : 42 CD 4, 42 CrMo 4

JIS : SCM 440 (H), SNB 7

SIS : 2244


EAF + PRE-HARDENED

APPLICATION HQ 709

Application HQ709

Bladder Former PT Bridgestone Indonesia


Characteristic:

Combination of high toughness and ductility, Excellent

strength steel, suitable to heat treatment flame and

induction hardening but not recommended for

carburizing

Application:

Moderate Strength machinery parts : engine mounting,

liner, ceramic mould, lever and other machinery parts

that requires moderate strength and wear resistance.

etc.


Werkstoff : 1.0503

DIN : C 45

JIS : S 45 C

SIS : 1672


EAF + NORMALIZED*

APPLICATION HQ 760

Shaft Kapal Keruk PT Timah

APPLICATION HQ 760

Bolt Asian Isuzu Guide Asian Isuzu


Characteristic:

Excellent ductility, good machinability, Excellent

strength in case carburizing

Application:

Case hardening steel with high core strength. Wear

resistance surface and tough core, e.g. gears and

bushing.


Werkstoff : 1.5919

DIN : 15 CrNi 6

JIS : 16 NC 6


EAF + ANNEALED*

HQ 7210 Special For Gear

Application HQ7210

350370390410430450470490510530550570590610630650670690

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5

Depth (mm)

Ha

rdn

es

s (

HV

)

Depth

(mm)

HV HRc

0.05 625.66 56.6

0.1 600.24 55.3

0.2 599.13 55.2

0.3 615.17 56.1

0.4 642.93 57.5

0.5 637.09 57.2

0.6 651.48 57.9

0.7 633.87 57

0.8 627.5 56.7

0.9 585.24 54.5

1 542.21 51.9

1.1 515.91 50.2

1.2 482.92 47.9

1.3 415.51 42.3

1.4 383.11 39.1

1.5 377.4 38.5

Nilai Kekerasan HQ7210 Hasil

Carburizing

Average Case Hardness :

625.89 HV / 56.6 HRc

MORE VALUES OF MACHINERY

Adding of alloying elements Desulfuration Vacuum Degassing

Electric Arc furnacePrimary elaboration

Continous Casting

Bloom / BilletRolling

MACHINERY STEEL MAKING

Ultrasonic controlHardness controlCutting

RollingHeat Treatment Furnace

HEAT TREATED STEEL

Peeling

MACHINERY STEEL MAKING

Material Comparison

HQ7Series HQ8Series Technology

HQ7Series HQ8Series

Material Comparison

HQ7Series HQ8Series Tolerance

Diameter

DIN 1031 Part 1

-0/+ 2 mm

Straightness

DIN 1031 Part 1

Max 2.5 mm / 1 M

Max 5 mm / 7 m

Length

5 7 M

5 7.5 M

Standarisasi Toleransi Diameter

Din 1013 Part 1, Din 7527/6

Diameter ( mm ) Permissable

allowance ( mm )

5 15 0,4

16 - 25 0,5

36 50 0,6

51 82 0,8

83 104 1

105 124 1,5

125 164 2

165 209 2,5

210 220 3

Diameter ( mm ) Permissable

allowance ( mm )

200 - 249 7,2

250 - 314 8,4

315 - 399 10

400 - 499 11,9

500 - 629 14,3

630 - 799 17,4

800 - 1000 21,3

Diameter d ( mm ) Batas Toleransi q dari kelurusan

0 25 Tidak ditentukan

25 80 0,004 x l

80 200 O,0025 x l

Contoh : untuk pembuatan shaft dengan finish size dia 100 mm l. 7000

Material HQ 7 series / AISI 4340 :

0,0025 x 7000 = 17,5 mm 16 mm

sehingga row material yang harus dipakai minimal 116 mm

Material HQ 8 series : 100 + 5 = 105 mm

Catatan : nilai toleransi maksimum yang

diijinkan 16 mm

Standart Kelurusan Round bars Din 1013 Part 3

l

Q

Material Comparison

HQ7Series HQ8Series Certification

Chemical analysis

Hardness & mechanical Properties

Ultrasonic test

Chemical analysis

Hardness &mechanical Properties

Grain size

Inclusion Rating, Grain Size & Gas Level

GZ : 5-8 ASTM E-45

Gas level EAF-LF-VD route

N2 < 200 ppmO2 < 25 ppm

H2 < 15 ppm


Characteristic:

Homogen hardness, good harden ability, strength,

ductility, toughness and good wear resistance, suitable

to heat treatment, straightness.

Application:

High strength Machinery parts : Medium to highly

stressed parts for earth moving equipment, crankshaft,

Long shaft , etc.


DIN : 34CrNiMo6 SH + V

JIS : SNCM 447


PRE-HARDENED + VD + PEELED + UT +

GRAIN SIZE CONTROLLED +

STRAIGHTNESS

Title : Shaft PressMaterial : HQ 805Size : Dia. 130 - 160 x 1000 mm

APPLICATION HQ 805


Characteristic:

Homogen hardness, good hardenability, strength,

toughness and impact resistance, straightness.

Application:

High strength Machinery parts : Medium and large

machinery parts requiring high tensile strength,

crankshaft, Long shaft, etc.


DIN : 42CrMo4 SH + V

JIS : SCM 440 (H)


PRE-HARDENED + VD + PEELED + UT +

GRAIN SIZE CONTROLLED +

STRAIGHTNESS

Title : Shaft ThresserMaterial : HQ 805, HQ 809 Size : Dia. 180 - 270 x 6000 - 7500 mm

APPLICATION HQ 809

tirasteel machinery steel

Documents

high strength machinery

machinery partsapplication

large machinery parts

excellent strength steel

high core strength

high tensile strength

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high load shaft