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America ASME E70T-9 弧焊用碳钢药芯焊丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E70T-9 / E70T-9
Category Grade Standard Region/Area Standard Content
Metals E70T-9 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 E70T-9

Element Min Max Similar

Mechanical Properties of steel grade E70T-9

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)
757 (≥) 744 (≥) 34 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 333

Physical Properties of steel grade E70T-9

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
41 - -     0.34 -  
177 654 - 13.3 313   -  
729 - 34 11.2   433 442

Heat Treatment of steel grade E70T-9

Heat treated : 1456°C - 1656°C

Technological Curves of steel grade E70T-9

Cross Reference Table (Equivalent Grade) of E70T-9

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