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EU EN G4Si1 焊接消耗品 - 气体保护金属弧焊非合金和细晶粒钢线电极和细晶粒 - 分类 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: G4Si1 / G 4 Si 1
Category Grade Standard Region/Area Standard Content
Metals G 4 Si 1 EN 440 EU 焊接消耗品 - 气体保护金属弧焊非合金和细晶粒钢线电极和细晶粒 - 分类

Chemical composition(mass fraction)(wt.%) of the G 4 Si 1

Element Min Max Similar
Ti + Zr - 0.1500 -
Si 0.8000 1.2000 -
S - 0.0250 -
P - 0.0250 -
Ni - 0.1500 -
Mo - 0.1500 -
Mn 1.6000 1.7000 -
C 0.0600 0.1400 -
Al - 0.0200 -

Mechanical Properties of steel grade G 4 Si 1

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)
761 (≥) 762 (≥) 42 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade G 4 Si 1

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
22 - -     0.21 -  
823 254 - 41.3 131   -  
549 - 33 22.2   143 244

Heat Treatment of steel grade G 4 Si 1

Heat treated : 1743°C - 1727°C

Technological Curves of steel grade G 4 Si 1

Cross Reference Table (Equivalent Grade) of G 4 Si 1

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