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America AWS EFe4 手工电弧焊用堆焊焊条标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EFe4 / EFe4
Category Grade Standard Region/Area Standard Content
Metals EFe4 AWS A5.13 America 手工电弧焊用堆焊焊条标准

Chemical composition(mass fraction)(wt.%) of the EFe4

Element Min Max Similar

Mechanical Properties of steel grade EFe4

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)
385 (≥) 863 (≥) 41 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade EFe4

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
24 - -     0.44 -  
427 192 - 23.3 322   -  
128 - 13 31.2   412 111

Heat Treatment of steel grade EFe4

Heat treated : 1966°C - 1685°C

Technological Curves of steel grade EFe4

Cross Reference Table (Equivalent Grade) of EFe4

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