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40CrNiMoA

China HB 40CrNiMoA 航空用钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40CrNiMoA / 40CrNiMoA
Category Grade Standard Region/Area Standard Content
Metals 40CrNiMoA HB 5024 China 航空用钢锻件

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

Element Min Max Similar

Mechanical Properties of steel grade 40CrNiMoA

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)
217 (≥) 938 (≥) 23 43 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 40CrNiMoA

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 -  
186 216 - 22.3 311   -  
549 - 41 31.2   222 334

Heat Treatment of steel grade 40CrNiMoA

Heat treated : 1618°C - 1162°C

Technological Curves of steel grade 40CrNiMoA

Cross Reference Table (Equivalent Grade) of 40CrNiMoA

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