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China 舞钢Q/WTB S355J2G3 上海电气核电用S355J2G3钢板供货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355J2G3 / S355J2G3
Category Grade Standard Region/Area Standard Content
Metals S355J2G3 WYJ 211 China 上海电气核电用S355J2G3钢板供货技术条件

Chemical composition(mass fraction)(wt.%) of the S355J2G3

Element Min Max Similar
C - 0.2400 -
Al 0.0200 - -
Cu - 0.3000 -
Ti - 0.0500 -
Nb - 0.0600 -
V - 0.1300 -
Ni - 0.3000 -
Mo - 0.0800 -
Cr - 0.3000 -
S - 0.0200 -
P - 0.0250 -
Mn 1.2000 1.7000 -
Si - 0.6000 -
C - 0.2300 -

Mechanical Properties of steel grade S355J2G3

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)
466 (≥) 786 (≥) 21 32 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade S355J2G3

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
44 - -     0.23 -  
954 821 - 24.3 343   -  
887 - 32 32.2   334 114

Heat Treatment of steel grade S355J2G3

Heat treated : 1441°C - 1486°C

Technological Curves of steel grade S355J2G3

Cross Reference Table (Equivalent Grade) of S355J2G3

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