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America ASME EM12-EW 电渣焊用碳钢和低合金钢焊丝和焊剂标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EM12-EW / EM12-EW
Category Grade Standard Region/Area Standard Content
Metals EM12-EW ASME SFA-5.25/SFA-5.25M America 电渣焊用碳钢和低合金钢焊丝和焊剂标准

Chemical composition(mass fraction)(wt.%) of the EM12-EW

Element Min Max Similar
Total others - 0.5000 -
Si - 0.1000 -
S - 0.0300 -
P - 0.0300 -
Mn 0.8000 1.2500 -
Cu - 0.3500 -
C 0.0600 0.1500 -

Mechanical Properties of steel grade EM12-EW

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)
783 (≥) 867 (≥) 24 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical Properties of steel grade EM12-EW

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
11 - -     0.33 -  
853 829 - 34.3 442   -  
534 - 41 11.2   144 133

Heat Treatment of steel grade EM12-EW

Heat treated : 1581°C - 1744°C

Technological Curves of steel grade EM12-EW

Cross Reference Table (Equivalent Grade) of EM12-EW

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