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S 355 K2G2W

France AFNOR NF S355K2G2W 改进的耐大气腐蚀结构钢 - 交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S355K2G2W / S 355 K2G2W
Category Grade Standard Region/Area Standard Content
Metals S 355 K2G2W NF EN 10155 France 改进的耐大气腐蚀结构钢 - 交货技术条件

Chemical composition(mass fraction)(wt.%) of the S 355 K2G2W

Element Min Max Similar
Zr - 0.1500 -
Si - 0.5000 -
S - 0.0350 -
P - 0.0350 -
Other - - -
Ni - 0.6500 -
Mo - 0.3000 -
Mn 0.5000 1.5000 -
Cu 0.2500 0.5500 -
Cr 0.4000 0.8000 -
C - 0.1600 -

Mechanical Properties of steel grade S 355 K2G2W

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)
754 (≥) 123 (≥) 14 22 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade S 355 K2G2W

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
12 - -     0.13 -  
992 127 - 22.3 312   -  
194 - 22 34.2   121 113

Heat Treatment of steel grade S 355 K2G2W

Heat treated : 1475°C - 1244°C

Technological Curves of steel grade S 355 K2G2W

Cross Reference Table (Equivalent Grade) of S 355 K2G2W

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