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Global 企业标准 S70CM and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S70CM / S70CM
Category Grade Standard Region/Area Standard Content
Metals S70CM -- Global

Chemical composition(mass fraction)(wt.%) of the S70CM

Element Min Max Similar

Mechanical Properties of steel grade S70CM

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)
252 (≥) 316 (≥) 31 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade S70CM

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
31 - -     0.11 -  
345 614 - 32.3 311   -  
773 - 13 21.2   442 322

Heat Treatment of steel grade S70CM

Heat treated : 1379°C - 1252°C

Technological Curves of steel grade S70CM

Cross Reference Table (Equivalent Grade) of S70CM

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