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G20NiCrMo12

France AFNOR NF G20NiCrMo12 一般工程使用的钢铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G20NiCrMo12 / G20NiCrMo12
Category Grade Standard Region/Area Standard Content
Metals G20NiCrMo12 NF A32-054 France 一般工程使用的钢铸件

Chemical composition(mass fraction)(wt.%) of the G20NiCrMo12

Element Min Max Similar

Mechanical Properties of steel grade G20NiCrMo12

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)
213 (≥) 148 (≥) 13 13 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade G20NiCrMo12

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
23 - -     0.11 -  
725 267 - 41.3 333   -  
936 - 24 22.2   313 221

Heat Treatment of steel grade G20NiCrMo12

Heat treated : 1717°C - 1111°C

Technological Curves of steel grade G20NiCrMo12

Cross Reference Table (Equivalent Grade) of G20NiCrMo12

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