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France AFNOR NF S355J2G3 非合金结构钢热轧产品交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355J2G3 / S355J2G3
Category Grade Standard Region/Area Standard Content
Metals S355J2G3 NF EN 10025 France 非合金结构钢热轧产品交货技术条件

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

Element Min Max Similar
Si - 0.5500 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.3000 -
Mo - 0.0800 -
Mn - 1.6000 -
Cr+Mo+Ni - 0.4800 -
Cr - 0.3000 -
C - 0.2200 -
Al 0.0200 - -

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)
258 (≥) 226 (≥) 14 21 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

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
23 - -     0.41 -  
393 458 - 14.3 144   -  
935 - 22 33.2   322 434

Heat Treatment of steel grade S355J2G3

Heat treated : 1531°C - 1985°C

Technological Curves of steel grade S355J2G3

Cross Reference Table (Equivalent Grade) of S355J2G3

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