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S7 Alloy Tool Steel

Global 企业标准 S7AlloyToolSteel and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals S7 Alloy Tool Steel -- Global

Chemical composition(mass fraction)(wt.%) of the S7 Alloy Tool Steel

Element Min Max Similar
Si - 0.3000 -
Mo - 1.4000 -
Mn - 0.7000 -
Fe - - -
Cr - 3.2500 -
C - 0.5000 -

Mechanical Properties of steel grade S7 Alloy Tool Steel

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)
467 (≥) 316 (≥) 24 41 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade S7 Alloy Tool Steel

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
24 - -     0.43 -  
129 759 - 43.3 143   -  
847 - 44 33.2   311 342

Heat Treatment of steel grade S7 Alloy Tool Steel

Heat treated : 1235°C - 1483°C

Technological Curves of steel grade S7 Alloy Tool Steel

Cross Reference Table (Equivalent Grade) of S7 Alloy Tool Steel

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