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ZG230-450H

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ZG200-400H ZG275-485H
#ZG230-450H

Description

China GBT ZG230-450H steel casting suitable for welded structure and ZG230-450H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

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

Chemical composition(mass fraction)(wt.%) of the ZG230-450H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
≤0.20 ≤0.50 1.2 ≤0.040 ≤0.040 ≤0.30 ≤0.30 ≤0.15 ≤0.05 ≤0.30

Mechanical Properties of steel grade ZG230-450H

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)
631 (≥) 721 (≥) 31 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade ZG230-450H

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
41 - -     0.11 -  
321 999 - 41.3 242   -  
149 - 22 34.2   423 133

Heat Treatment of steel grade ZG230-450H

Heat treated : 1782°C - 1754°C

Technological Curves of steel grade ZG230-450H

Cross Reference Table (Equivalent Grade) of ZG230-450H

Grade Standard Country Application
ZG230-450H GBT China steel casting suitable for welded structure
ZG200-400H ZG275-485H
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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