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GMW2M-ST-S CR4

America GM GMW2M-ST-SCR4 低碳钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GMW2M-ST-SCR4 / GMW2M-ST-S CR4
Category Grade Standard Region/Area Standard Content
Metals GMW2M-ST-S CR4 GMW2 America 低碳钢

Chemical composition(mass fraction)(wt.%) of the GMW2M-ST-S CR4

Element Min Max Similar
Al 0.0150 - -
S - 0.0200 -
P - 0.0250 -
Mn - 0.4000 -
C - 0.0800 -

Mechanical Properties of steel grade GMW2M-ST-S CR4

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)
875 (≥) 693 (≥) 42 31 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade GMW2M-ST-S CR4

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 - -     0.23 -  
932 314 - 34.3 122   -  
379 - 24 24.2   243 341

Heat Treatment of steel grade GMW2M-ST-S CR4

Heat treated : 1358°C - 1461°C

Technological Curves of steel grade GMW2M-ST-S CR4

Cross Reference Table (Equivalent Grade) of GMW2M-ST-S CR4

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