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America ASME E71T-1 弧焊用碳钢药芯焊丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E71T-1 / E71T-1
Category Grade Standard Region/Area Standard Content
Metals E71T-1 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-1

Element Min Max Similar
V - 0.0800 -
Si - 0.9000 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.5000 -
Mo - 0.3000 -
Mn - 1.7500 -
Cu - 0.3500 -
Cr - 0.2000 -
C - 0.1800 -

Mechanical Properties of steel grade E71T-1

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)
694 (≥) 712 (≥) 21 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade E71T-1

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
14 - -     0.22 -  
914 736 - 14.3 222   -  
549 - 23 34.2   341 312

Heat Treatment of steel grade E71T-1

Heat treated : 1351°C - 1171°C

Technological Curves of steel grade E71T-1

Cross Reference Table (Equivalent Grade) of E71T-1

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