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Japan JIS SKD1 合金工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SKD1 / SKD 1
Category Grade Standard Region/Area Standard Content
Metals SKD 1 JIS G4404 Japan 合金工具钢

Chemical composition(mass fraction)(wt.%) of the SKD 1

Element Min Max Similar
Si - 0.4000 -
S - 0.0300 -
P - 0.0300 -
Mn - 0.6000 -
Cr 12.0000 15.0000 -
C 1.8000 2.4000 -
V - 0.3000 -
Si 0.1000 0.6000 -
S - 0.0300 -
P - 0.0300 -
Mn 0.2000 0.6000 -
Cr 11.0000 13.0000 -
C 1.9000 2.2000 -

Mechanical Properties of steel grade SKD 1

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)
126 (≥) 977 (≥) 24 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade SKD 1

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
44 - -     0.41 -  
163 978 - 33.3 432   -  
276 - 31 44.2   421 422

Heat Treatment of steel grade SKD 1

Heat treated : 1137°C - 1854°C

Technological Curves of steel grade SKD 1

Cross Reference Table (Equivalent Grade) of SKD 1

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