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ZG200-400H

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ZG55 ZG230-450H
#ZG200-400H

Description

China GBT ZG200-400H steel casting suitable for welded structure and ZG200-400H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG200-400H
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZG200-400H GBT China steel casting suitable for welded structure
ZG200-400
ZG230-450
ZG270-500
ZG310-570
ZG340-640
ZG15
ZG25
ZG35
ZG45
ZG55

Chemical composition(mass fraction)(wt.%) of the ZG200-400H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
≤0.20 ≤0.50 0.8 ≤0.040 ≤0.040 ≤0.30 ≤0.30 ≤0.15 ≤0.05 ≤0.30

Mechanical Properties of steel grade ZG200-400H

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)
363 (≥) 942 (≥) 32 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade ZG200-400H

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
21 - -     0.32 -  
164 299 - 11.3 313   -  
546 - 43 32.2   231 312

Heat Treatment of steel grade ZG200-400H

Heat treated : 1861°C - 1349°C

Technological Curves of steel grade ZG200-400H

Cross Reference Table (Equivalent Grade) of ZG200-400H

Grade Standard Country Application
ZG200-400H GBT China steel casting suitable for welded structure
ZG55 ZG230-450H
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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