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Japan DAIDO DH31-S 热间工具钢(锻造型) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: DH31-S / DH31-S
Category Grade Standard Region/Area Standard Content
Metals DH31-S DAIDO HWTS Japan 热间工具钢(锻造型)

Chemical composition(mass fraction)(wt.%) of the DH31-S

Element Min Max Similar

Mechanical Properties of steel grade DH31-S

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)
927 (≥) 697 (≥) 21 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade DH31-S

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
32 - -     0.31 -  
218 287 - 23.3 141   -  
398 - 22 23.2   113 133

Heat Treatment of steel grade DH31-S

Heat treated : 1275°C - 1452°C

Technological Curves of steel grade DH31-S

Cross Reference Table (Equivalent Grade) of DH31-S

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