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S 355 G 4 S

EU EN S355G4S 可焊高强度低合金钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355G4S / S 355 G 4 S
Category Grade Standard Region/Area Standard Content
Metals S 355 G 4 S -- EU 可焊高强度低合金钢

Chemical composition(mass fraction)(wt.%) of the S 355 G 4 S

Element Min Max Similar
V 0.0500 0.1000 -
Ti - 0.0200 -
Si - 0.5000 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.8000 -
Nb 0.0200 0.0500 -
N - 0.0090 -
Mo - 0.0800 -
Mn 0.9000 1.6000 -
Cu - 0.3000 -
Cr - 0.2000 -
C - 0.1600 -
Al 0.0200 - -

Mechanical Properties of steel grade S 355 G 4 S

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)
285 (≥) 346 (≥) 14 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade S 355 G 4 S

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 - -     0.32 -  
933 141 - 22.3 414   -  
433 - 24 33.2   342 112

Heat Treatment of steel grade S 355 G 4 S

Heat treated : 1386°C - 1138°C

Technological Curves of steel grade S 355 G 4 S

Cross Reference Table (Equivalent Grade) of S 355 G 4 S

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