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ZG240-450AG

Description

China GBT ZG240-450AG Steel castings for pressure purposes and ZG240-450AG Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG240-450AG
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZG240-450AG GBT China Steel castings for pressure purposes
ZGMn13-1
ZGMn13-2
ZGMn13-3
ZGMn13-4
ZGMn13Cr
ZGMn13Cr2
ZGMn13Ni4
ZGMn13Mo
ZGMn13Mo2
ZG240-450A

Chemical composition(mass fraction)(wt.%) of the ZG240-450AG

C(%) Si(%) Mn(%) P(%) S(%)
≤0.25 ≤0.60 ≤1.20 0.035 0.035

Mechanical Properties of steel grade ZG240-450AG

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)
751 (≥) 192 (≥) 11 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade ZG240-450AG

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 - -     0.43 -  
892 467 - 23.3 313   -  
633 - 12 12.2   414 111

Heat Treatment of steel grade ZG240-450AG

Heat treated : 1678°C - 1762°C

Technological Curves of steel grade ZG240-450AG

Cross Reference Table (Equivalent Grade) of ZG240-450AG

Grade Standard Country Application
ZG240-450AG GBT China Steel castings for pressure purposes

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