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43A2-EM12K

America ASME 43A2-EM12K 埋弧焊用碳钢焊丝和焊剂标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 43A2-EM12K / 43A2-EM12K
Category Grade Standard Region/Area Standard Content
Metals 43A2-EM12K ASME SFA-5.17/SFA-5.17M America 埋弧焊用碳钢焊丝和焊剂标准

Chemical composition(mass fraction)(wt.%) of the 43A2-EM12K

Element Min Max Similar

Mechanical Properties of steel grade 43A2-EM12K

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)
862 (≥) 621 (≥) 43 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical Properties of steel grade 43A2-EM12K

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
44 - -     0.24 -  
929 499 - 43.3 343   -  
717 - 44 12.2   313 434

Heat Treatment of steel grade 43A2-EM12K

Heat treated : 1447°C - 1163°C

Technological Curves of steel grade 43A2-EM12K

Cross Reference Table (Equivalent Grade) of 43A2-EM12K

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