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ZG240-450BD

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ZG240-450BG ZG280-520③,④
#ZG240-450BD

Description

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

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

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

C(％) Si(％) Mn(％) P(％) S(％)
≤0.20 ≤0.60 1.00-1.60 0.03 0.03

Mechanical Properties of steel grade ZG240-450BD

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)
396 (≥) 945 (≥) 12 22 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade ZG240-450BD

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 - -     0.42 -  
553 213 - 13.3 434   -  
414 - 21 24.2   423 424

Heat Treatment of steel grade ZG240-450BD

Heat treated : 1785°C - 1767°C

Technological Curves of steel grade ZG240-450BD

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

Grade Standard Country Application
ZG240-450BD GBT China Steel castings for pressure purposes
ZG240-450BG ZG280-520③,④
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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