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Japan JIS SKH3 高速工具鋼鋼料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SKH3 / SKH 3
Category Grade Standard Region/Area Standard Content
Metals SKH 3 JIS G4403 Japan 高速工具鋼鋼料

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

Element Min Max Similar

Mechanical Properties of steel grade SKH 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)
894 (≥) 126 (≥) 44 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade SKH 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
23 - -     0.44 -  
445 829 - 12.3 411   -  
226 - 43 23.2   441 442

Heat Treatment of steel grade SKH 3

Heat treated : 1128°C - 1833°C

Technological Curves of steel grade SKH 3

Cross Reference Table (Equivalent Grade) of SKH 3

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