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S 420 G 3

EU EN S420G3 固定近海结构的可焊接结构钢 - 交货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S420G3 / S 420 G 3
Category Grade Standard Region/Area Standard Content
Metals S 420 G 3 EN 10225 EU 固定近海结构的可焊接结构钢 - 交货技术条件

Chemical composition(mass fraction)(wt.%) of the S 420 G 3

Element Min Max Similar

Mechanical Properties of steel grade S 420 G 3

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)
622 (≥) 228 (≥) 34 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade S 420 G 3

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
21 - -     0.22 -  
993 432 - 42.3 224   -  
855 - 41 14.2   121 124

Heat Treatment of steel grade S 420 G 3

Heat treated : 1597°C - 1154°C

Technological Curves of steel grade S 420 G 3

Cross Reference Table (Equivalent Grade) of S 420 G 3

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