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40NiSiCrMo7

Global 企业标准 40NiSiCrMo7 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40NiSiCrMo7 / 40NiSiCrMo7
Category Grade Standard Region/Area Standard Content
Metals 40NiSiCrMo7 -- Global

Chemical composition(mass fraction)(wt.%) of the 40NiSiCrMo7

Element Min Max Similar
C - - 0.4000
Si - - 1.6000
Ni - - 1.8000
Cr - - 0.8500
Mo - - 0.4000

Mechanical Properties of steel grade 40NiSiCrMo7

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)
186 (≥) 112 (≥) 42 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade 40NiSiCrMo7

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
12 - -     0.22 -  
952 416 - 42.3 234   -  
871 - 41 31.2   212 321

Heat Treatment of steel grade 40NiSiCrMo7

Heat treated : 1761°C - 1818°C

Technological Curves of steel grade 40NiSiCrMo7

Cross Reference Table (Equivalent Grade) of 40NiSiCrMo7

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