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China 舞钢Q/WTB P355GH 供哈尔滨锅炉厂有限责任公司电站锅炉用P355GH汽包钢板技术协议 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: P355GH / P355GH
Category Grade Standard Region/Area Standard Content
Metals P355GH WJX 021 China 供哈尔滨锅炉厂有限责任公司电站锅炉用P355GH汽包钢板技术协议

Chemical composition(mass fraction)(wt.%) of the P355GH

Element Min Max Similar
Cr+Cu+Mo+Ni - 0.7500 -
N - 0.0140 -
V - 0.0300 -
Ti - 0.0400 -
Ni - 0.3500 -
Nb - 0.0500 -
Mo - 0.1100 -
Cu - 0.1800 -
Cr - 0.3500 -
Al 0.0150 - -
S - 0.0100 -
P - 0.0250 -
Mn 1.0000 1.8000 -
Si - 0.6600 -
C 0.0800 0.2400 -
Cr+Cu+Mo+Ni - 0.7000 -
N - 0.0120 -
V - 0.0200 -
Ti - 0.0300 -
Nb - 0.0400 -
Mo - 0.0800 -
Cu - 0.3000 -
Ni - 0.3000 -
Cr - 0.3000 -
Al 0.0200 - -
S - 0.0100 -
P - 0.0250 -
Mn 1.7000 1.7000 -
Si - 0.6000 -
C 0.1000 0.2200 -
Cr+Cu+Mo+Ni - 0.7000 -
N - 0.0120 -
V - 0.0200 -
Ti - 0.0300 -
Nb - 0.0200 -
Mo - 0.0800 -
Cu - 0.3000 -
Ni - 0.3000 -
Cr - 0.3000 -
Al 0.0200 - -
S - 0.0100 -
P - 0.0250 -
Mn 1.1000 1.7000 -
Si - 0.6000 -
C 0.1000 0.2200 -

Mechanical Properties of steel grade P355GH

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)
784 (≥) 734 (≥) 34 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade P355GH

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
34 - -     0.31 -  
745 535 - 24.3 142   -  
791 - 43 11.2   241 414

Heat Treatment of steel grade P355GH

Heat treated : 1688°C - 1743°C

Technological Curves of steel grade P355GH

Cross Reference Table (Equivalent Grade) of P355GH

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