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ZG40Cr9Si2(ZG4Cr9Si2)

Description

China GBT ZG40Cr9Si2(ZG4Cr9Si2) Large heat resistant steel castings and ZG40Cr9Si2(ZG4Cr9Si2) Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG40Cr9Si2(ZG4Cr9Si2)

Chemical composition(mass fraction)(wt.%) of the ZG40Cr9Si2(ZG4Cr9Si2)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.35-0.50 2.00-3.00 ≤0.70 0.035 0.03 8.00-10.0

Mechanical Properties of steel grade ZG40Cr9Si2(ZG4Cr9Si2)

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)
129 (≥) 748 (≥) 14 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade ZG40Cr9Si2(ZG4Cr9Si2)

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 - -     0.24 -  
393 281 - 23.3 132   -  
642 - 41 21.2   432 221

Heat Treatment of steel grade ZG40Cr9Si2(ZG4Cr9Si2)

Heat treated : 1876°C - 1949°C

Technological Curves of steel grade ZG40Cr9Si2(ZG4Cr9Si2)

Cross Reference Table (Equivalent Grade) of ZG40Cr9Si2(ZG4Cr9Si2)

Grade Standard Country Application
ZG40Cr9Si2(ZG4Cr9Si2) GBT China Large heat resistant steel castings

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