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America ASME EF1 埋弧焊用低合金钢焊丝和焊剂标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EF1 / EF1
Category Grade Standard Region/Area Standard Content
Metals EF1 ASME SFA-5.23/SFA-5.23M America 埋弧焊用低合金钢焊丝和焊剂标准

Chemical composition(mass fraction)(wt.%) of the EF1

Element Min Max Similar

Mechanical Properties of steel grade EF1

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)
265 (≥) 446 (≥) 23 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 344

Physical Properties of steel grade EF1

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 - -     0.42 -  
331 569 - 43.3 234   -  
488 - 24 43.2   443 222

Heat Treatment of steel grade EF1

Heat treated : 1636°C - 1788°C

Technological Curves of steel grade EF1

Cross Reference Table (Equivalent Grade) of EF1

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