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America ASME EM12K-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: EM12K-EW / EM12K-EW
Category Grade Standard Region/Area Standard Content
Metals EM12K-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 EM12K-EW

Element Min Max Similar

Mechanical Properties of steel grade EM12K-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)
658 (≥) 253 (≥) 44 32 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical Properties of steel grade EM12K-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
32 - -     0.12 -  
342 442 - 14.3 341   -  
443 - 41 14.2   113 432

Heat Treatment of steel grade EM12K-EW

Heat treated : 1879°C - 1972°C

Technological Curves of steel grade EM12K-EW

Cross Reference Table (Equivalent Grade) of EM12K-EW

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