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ZG275-485H

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ZG230-450H Grade N1
#ZG275-485H

Description

China GBT ZG275-485H steel casting suitable for welded structure and ZG275-485H Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ZG275-485H
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ZG275-485H GBT China steel casting suitable for welded structure
ZG270-500
ZG310-570
ZG340-640
ZG15
ZG25
ZG35
ZG45
ZG55
ZG200-400H
ZG230-450H

Chemical composition(mass fraction)(wt.%) of the ZG275-485H

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) Cu(%)
≤0.25 ≤0.50 1.2 ≤0.040 ≤0.040 ≤0.30 ≤0.30 ≤0.15 ≤0.05 ≤0.30

Mechanical Properties of steel grade ZG275-485H

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)
292 (≥) 774 (≥) 21 33 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade ZG275-485H

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 - -     0.12 -  
328 199 - 12.3 221   -  
354 - 32 42.2   441 132

Heat Treatment of steel grade ZG275-485H

Heat treated : 1386°C - 1179°C

Technological Curves of steel grade ZG275-485H

Cross Reference Table (Equivalent Grade) of ZG275-485H

Grade Standard Country Application
ZG275-485H GBT China steel casting suitable for welded structure
ZG230-450H Grade N1
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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