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China GB 42CrMoE 大容积气瓶用无缝钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 42CrMoE / 42CrMoE
Category Grade Standard Region/Area Standard Content
Metals 42CrMoE GB 28884 China 大容积气瓶用无缝钢管

Chemical composition(mass fraction)(wt.%) of the 42CrMoE

Element Min Max Similar
V - 0.0800 -
Si - 0.4000 -
S - 0.0150 -
P - 0.0250 -
Ni - 0.3000 -
Mo - 0.3000 -
Mn - 0.6000 -
Cr - 0.2000 -
C - 0.0300 -

Mechanical Properties of steel grade 42CrMoE

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)
354 (≥) 945 (≥) 22 33 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 42CrMoE

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
14 - -     0.24 -  
841 214 - 23.3 214   -  
768 - 22 33.2   142 214

Heat Treatment of steel grade 42CrMoE

Heat treated : 1246°C - 1618°C

Technological Curves of steel grade 42CrMoE

Cross Reference Table (Equivalent Grade) of 42CrMoE

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