Rolling or tool steel OVAKO 803/825

Products in stock

OVAKO 803 = 100 Cr 6, mat 1.3505 or 1.2067 OVAKO 825 ≈ 100 Cr Mo 7 3, mat 1.3536 Ideal applications for machine components, measuring tools, rollers, pins, drilling and cutting tools.

Good cut

Very good curability - achievable hardness 58-63 HRC

Induction hardenability

Chemical Composition (Reference)

Steel grade Material number C % Si % Mn % Cr % Mo%

OVAKO 803 1.3505 or 1.2067 1,00 0,25 0,35 1,50

OVAKO 825 ≈ 1.3536 0,97 0,30 0,70 1,80 0,25

Mechanical properties

Steel grade Execution Tensile strenght

Rm N/mm²

Yield ReL

N/mm²

Strain A5 %

Hardness HB

OVAKO 803 annealed, drawn 225-260

hot-rolled, annealed annealed, peeled

approx.660

Min. 350

Min. 30

Approx. 195

OVAKO 825 hot-rolled, annealed forged, annealed

. Approx. 690

min. 390

min. 25

approx. 210

hot-rolled, annealed forged, annealed

These dimensions are available from QSZ Remscheid, our service partner in storage.

Production length: 3-6 m, fixed length (including wheels) as desired.

OVAKO 803 = 100 Cr 6, 1.3505, hot rolled, spheroidized, annealed, peeled

Dimensions mm ø

Weight kg/m

Tolerance mm

22,70 3,18 + 0,25 / –0

25,00 3,85 DIN 668 / h 11

25,70 4,07 + 0,25 / –0

27,00 4,49 + 0,25 / –0

28,70 5,09 + 0,25 / –0

30,70 5,81 + 0,25 / –0

32,70 6,60 + 0,25 / –0

35,00 7,55 DIN 668 / h 11

35,75 8,00 + 0,25 / –0

38,75 9,26 + 0,25 / –0

40,00 9,86 + 0,25 / –0

40,90 10,31 + 0,25 / –0

44,90 12,45 + 0,25 / –0

45,90 12,99 + 0,25 / –0

48,90 14,74 + 0,25 / –0

50,95 16,09 + 0,25 / –0

55,95 19,30 + 0,25 / –0

OVAKO 825 = 100 Cr Mo 7 3, 1.3536 Hot rolled annealed-TVC

Dimensions mm ø

Weight kg/m

Tolerance mm

50,00 15,41 ± 0,40

60,00 22,20 ± 0,50

65,00 26,05 ± 0,50

70,00 30,21 ± 0,50

75,00 34,68 ± 0,50

80,00 39,46 ± 0,70

85,00 44,54 ± 0,90

90,00 49,94 ± 0,90

95,00 55,64 ± 0,90

100,00 61,65 ± 0,90

105,00 67,97 ± 0,90

110,00 74,60 ± 0,90

115,00 81,54 ± 0,90

120,00 88,78 ± 0,90

130,00 104,20 ± 1,10

140,00 120,80 ± 1,10

150,00 138,70 ± 1,30

160,00 157,80 ± 1,50

100 Cr Mo 7 3 1.3536 forged, annealed

Dimensions mm ø

Weight kg/m

Tolerance mm

200,00 246,60 )

220,00 298,40 )

240,00 355,10 ) DIN 7527 / Bl. 6

260,00 416,80 )

280,00 483,40 )

to 420.00 mm diameter on request