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Global 企业标准 42CrNiMo and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 42CrNiMo / 42CrNiMo
Category Grade Standard Region/Area Standard Content
Metals 42CrNiMo -- Global

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

Element Min Max Similar
Ni 1.2500 1.7500 -
Mo 0.1500 0.2500 -
Cr 0.6000 0.9000 -
Mn 0.5000 0.8000 -
Si 0.2000 0.4000 -
C 0.3700 0.4400 -

Mechanical Properties of steel grade 42CrNiMo

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)
583 (≥) 422 (≥) 32 41 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 42CrNiMo

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 - -     0.33 -  
541 323 - 43.3 143   -  
565 - 41 41.2   431 223

Heat Treatment of steel grade 42CrNiMo

Heat treated : 1188°C - 1291°C

Technological Curves of steel grade 42CrNiMo

Cross Reference Table (Equivalent Grade) of 42CrNiMo

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