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Japan JIS SKD2 合金工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SKD2 / SKD 2
Category Grade Standard Region/Area Standard Content
Metals SKD 2 JIS G4404 Japan 合金工具钢

Chemical composition(mass fraction)(wt.%) of the SKD 2

Element Min Max Similar

Mechanical Properties of steel grade SKD 2

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)
379 (≥) 366 (≥) 13 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade SKD 2

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 - -     0.42 -  
273 815 - 24.3 413   -  
275 - 44 14.2   131 242

Heat Treatment of steel grade SKD 2

Heat treated : 1634°C - 1584°C

Technological Curves of steel grade SKD 2

Cross Reference Table (Equivalent Grade) of SKD 2

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