Available 24/7 at contact@steel-grades.com

America ASME E70T-7 弧焊用碳钢药芯焊丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: E70T-7 / E70T-7
Category Grade Standard Region/Area Standard Content
Metals E70T-7 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-7

Element Min Max Similar

Mechanical Properties of steel grade E70T-7

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)
624 (≥) 282 (≥) 21 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade E70T-7

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
22 - -     0.23 -  
753 487 - 11.3 124   -  
632 - 33 14.2   121 331

Heat Treatment of steel grade E70T-7

Heat treated : 1733°C - 1281°C

Technological Curves of steel grade E70T-7

Cross Reference Table (Equivalent Grade) of E70T-7

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this E70T-7?
  • List your company on S&G now? Join
  • Non-paying users only
Sidebar RFQs Menu My Account
Top