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America ASME E71T-2 弧焊用碳钢药芯焊丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E71T-2 / E71T-2
Category Grade Standard Region/Area Standard Content
Metals E71T-2 ASME SFA-5.20/SFA-5.20M America 弧焊用碳钢药芯焊丝标准

Chemical composition(mass fraction)(wt.%) of the E71T-2

Element Min Max Similar

Mechanical Properties of steel grade E71T-2

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)
734 (≥) 754 (≥) 24 24 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade E71T-2

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
24 - -     0.42 -  
438 559 - 14.3 111   -  
665 - 44 12.2   144 343

Heat Treatment of steel grade E71T-2

Heat treated : 1241°C - 1835°C

Technological Curves of steel grade E71T-2

Cross Reference Table (Equivalent Grade) of E71T-2

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