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SKC 31 Grade 31

Japan JIS SKC31Grade31 空心钻钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SKC31Grade31 / SKC 31 Grade 31
Category Grade Standard Region/Area Standard Content
Metals SKC 31 Grade 31 JIS G4410 Japan 空心钻钢

Chemical composition(mass fraction)(wt.%) of the SKC 31 Grade 31

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni 2.8000 3.2000 -
Mo 0.4000 0.7000 -
Mn 0.6000 1.2000 -
Cu - 0.2500 -
Cr 1.2000 1.8000 -
C 0.1200 0.2500 -

Mechanical Properties of steel grade SKC 31 Grade 31

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)
992 (≥) 836 (≥) 41 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SKC 31 Grade 31

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
22 - -     0.34 -  
659 554 - 33.3 243   -  
346 - 21 12.2   331 343

Heat Treatment of steel grade SKC 31 Grade 31

Heat treated : 1632°C - 1814°C

Technological Curves of steel grade SKC 31 Grade 31

Cross Reference Table (Equivalent Grade) of SKC 31 Grade 31

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