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ZG275-485H

China EJ ZG275-485H 压水堆核电厂阀门 碳素钢铸件技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZG275-485H / ZG275-485H
Category Grade Standard Region/Area Standard Content
Metals ZG275-485H EJ/T 1022.2 China 压水堆核电厂阀门 碳素钢铸件技术条件

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

Element Min Max Similar
C - 0.2500 -
Si - 0.5000 -
Mn - 1.2000 -
S - 0.0400 -
P - 0.0400 -
Ni - 0.3000 -
Cr - 0.3000 -
Cu - 0.3000 -
Mo - 0.1500 -
V - 0.0300 -
Total Others - 0.8000 -

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)
652 (≥) 772 (≥) 22 23 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

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
41 - -     0.12 -  
176 293 - 13.3 241   -  
612 - 32 14.2   221 111

Heat Treatment of steel grade ZG275-485H

Heat treated : 1421°C - 1359°C

Technological Curves of steel grade ZG275-485H

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

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