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ZG40Cr25Ni20

China HG ZG40Cr25Ni20 高温承压用静态铸造合金管件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZG40Cr25Ni20 / ZG40Cr25Ni20
Category Grade Standard Region/Area Standard Content
Metals ZG40Cr25Ni20 HG/T 3673 China 高温承压用静态铸造合金管件

Chemical composition(mass fraction)(wt.%) of the ZG40Cr25Ni20

Element Min Max Similar
S - 0.0300 -
P - 0.0300 -
Nb 0.7000 1.5000 -
Ni 32.0000 37.0000 -
Cr 24.0000 27.0000 -
Mn - 2.0000 -
Si - 2.0000 -
C 0.3500 0.4500 -

Mechanical Properties of steel grade ZG40Cr25Ni20

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)
584 (≥) 955 (≥) 41 42 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade ZG40Cr25Ni20

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
14 - -     0.41 -  
141 495 - 13.3 244   -  
913 - 34 11.2   421 211

Heat Treatment of steel grade ZG40Cr25Ni20

Heat treated : 1958°C - 1929°C

Technological Curves of steel grade ZG40Cr25Ni20

Cross Reference Table (Equivalent Grade) of ZG40Cr25Ni20

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