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S 355 J2 G3 Cu

EU EN S355J2G3Cu 轨道车辆结构用钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355J2G3Cu / S 355 J2 G3 Cu
Category Grade Standard Region/Area Standard Content
Metals S 355 J2 G3 Cu -- EU 轨道车辆结构用钢

Chemical composition(mass fraction)(wt.%) of the S 355 J2 G3 Cu

Element Min Max Similar
V+Nb+Ti - 0.1200 -
Si - 0.5500 -
S - 0.0350 -
P - 0.0350 -
Mn - 1.6000 -
Cu 0.2500 0.4000 -
C - 0.2000 -
Al - - -

Mechanical Properties of steel grade S 355 J2 G3 Cu

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)
545 (≥) 867 (≥) 31 42 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade S 355 J2 G3 Cu

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
31 - -     0.43 -  
117 162 - 14.3 431   -  
116 - 31 21.2   131 434

Heat Treatment of steel grade S 355 J2 G3 Cu

Heat treated : 1715°C - 1128°C

Technological Curves of steel grade S 355 J2 G3 Cu

Cross Reference Table (Equivalent Grade) of S 355 J2 G3 Cu

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