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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

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