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Japan JIS SKS3 合金工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SKS3 / SKS 3
Category Grade Standard Region/Area Standard Content
Metals SKS 3 JIS G4404 Japan 合金工具钢

Chemical composition(mass fraction)(wt.%) of the SKS 3

Element Min Max Similar
W 0.5000 1.0000 -
Si - 0.3500 -
S - 0.0300 -
P - 0.0300 -
Mn 0.9000 1.2000 -
Cr 0.5000 1.0000 -
C 0.9000 1.0000 -

Mechanical Properties of steel grade SKS 3

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)
439 (≥) 693 (≥) 31 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade SKS 3

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
41 - -     0.21 -  
885 873 - 43.3 213   -  
413 - 14 34.2   323 321

Heat Treatment of steel grade SKS 3

Heat treated : 1321°C - 1946°C

Technological Curves of steel grade SKS 3

Cross Reference Table (Equivalent Grade) of SKS 3

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