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40 NiCrMo 16

France AFNOR NF 40NiCrMo16 工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 40NiCrMo16 / 40 NiCrMo 16
Category Grade Standard Region/Area Standard Content
Metals 40 NiCrMo 16 NF A35-590 France 工具钢

Chemical composition(mass fraction)(wt.%) of the 40 NiCrMo 16

Element Min Max Similar
Si 0.1000 0.4000 -
Ni 3.7000 4.2000 -
Mo 0.3000 0.5000 -
Mn 0.3000 0.6000 -
Cr 1.6000 2.0000 -
C 0.3500 0.4300 -

Mechanical Properties of steel grade 40 NiCrMo 16

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)
462 (≥) 998 (≥) 22 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 40 NiCrMo 16

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
42 - -     0.21 -  
699 325 - 31.3 242   -  
911 - 21 43.2   412 422

Heat Treatment of steel grade 40 NiCrMo 16

Heat treated : 1255°C - 1379°C

Technological Curves of steel grade 40 NiCrMo 16

Cross Reference Table (Equivalent Grade) of 40 NiCrMo 16

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