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ZG280-520G③,④

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ZG280-520③,④ ZG280-520D
#ZG280-520G③ #④

Description

China GBT ZG280-520G③,④ Steel castings for pressure purposes and ZG280-520G③,④ Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG280-520G③,④
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZG280-520G③,④ GBT China Steel castings for pressure purposes
ZGMn13Cr2
ZGMn13Ni4
ZGMn13Mo
ZGMn13Mo2
ZG240-450A
ZG240-450AG
ZG240-450B
ZG240-450BG
ZG240-450BD
ZG280-520③,④

Chemical composition(mass fraction)(wt.%) of the ZG280-520G③,④

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

Mechanical Properties of steel grade ZG280-520G③,④

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)
399 (≥) 153 (≥) 31 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade ZG280-520G③,④

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
13 - -     0.33 -  
747 972 - 34.3 113   -  
673 - 11 12.2   111 433

Heat Treatment of steel grade ZG280-520G③,④

Heat treated : 1415°C - 1658°C

Technological Curves of steel grade ZG280-520G③,④

Cross Reference Table (Equivalent Grade) of ZG280-520G③,④

Grade Standard Country Application
ZG280-520G③,④ GBT China Steel castings for pressure purposes
ZG280-520③,④ ZG280-520D
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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