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Description

Romania STAS/SR OSC8 tool steel and OSC8 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: OSC8
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy OSC8 STAS/SR Romania tool steel
SKC31①
SKC31①
1Cr12
1Cr13
1Cr13Mo
Y1Cr13
Y1Cr13
2Cr13
1.4923
OSC7

Chemical composition(mass fraction)(wt.%) of the OSC8

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.75-0.84 0.15-0.35 0.10-0.35 0.030 0.025 Max 0.20 0.25 0.25

Mechanical Properties of steel grade OSC8

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
886 (≥) 445 (≥) 11 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade OSC8

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
33 - -     0.11 -  
796 666 - 31.3 243   -  
689 - 14 41.2   324 243

Heat Treatment of steel grade OSC8

Heat treated : 1933°C - 1656°C

Technological Curves of steel grade OSC8

Cross Reference Table (Equivalent Grade) of OSC8

Grade Standard Country Application
OSC8 STAS/SR Romania tool steel
OSC8M STAS/SR Romania tool steel

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