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A744 Grade CG-8M

America ASTM A744GradeCG-8M 严酷条件下使用的耐腐蚀镍铬铁合金铸件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A744GradeCG-8M / A744 Grade CG-8M
Category Grade Standard Region/Area Standard Content
Metals A744 Grade CG-8M ASTM A744/A744M America 严酷条件下使用的耐腐蚀镍铬铁合金铸件

Chemical composition(mass fraction)(wt.%) of the A744 Grade CG-8M

Element Min Max Similar
Si - 1.5000 -
S - 0.0400 -
P - 0.0400 -
Ni 9.0000 13.0000 -
Mo 3.0000 4.0000 -
Mn - 1.5000 -
Cr 18.0000 21.0000 -
C - 0.0800 -

Mechanical Properties of steel grade A744 Grade CG-8M

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)
714 (≥) 155 (≥) 14 43 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade A744 Grade CG-8M

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
24 - -     0.44 -  
571 112 - 33.3 241   -  
477 - 13 22.2   112 344

Heat Treatment of steel grade A744 Grade CG-8M

Heat treated : 1386°C - 1451°C

Technological Curves of steel grade A744 Grade CG-8M

Cross Reference Table (Equivalent Grade) of A744 Grade CG-8M

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