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America ASME E4312 手工电弧焊用碳钢焊条标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E4312 / E4312
Category Grade Standard Region/Area Standard Content
Metals E4312 ASME SFA-5.1/SFA-5.1M America 手工电弧焊用碳钢焊条标准

Chemical composition(mass fraction)(wt.%) of the E4312

Element Min Max Similar
C - 0.2000 -
Mn - 1.2000 -
P - - -
S - - -
Si - 1.0000 -
Ni - 0.3000 -
Cr - 0.2000 -
Mo - 0.3000 -
V - 0.0800 -
Mn+Ni+Cr+Mo+V - - -

Mechanical Properties of steel grade E4312

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)
621 (≥) 886 (≥) 31 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade E4312

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
43 - -     0.34 -  
281 581 - 21.3 114   -  
358 - 32 42.2   423 432

Heat Treatment of steel grade E4312

Heat treated : 1737°C - 1553°C

Technological Curves of steel grade E4312

Cross Reference Table (Equivalent Grade) of E4312

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