Self-shieldingflux cored welding wire AWS A5.20 E70T-4 is used for flat position and horizontal position welding with high deposition efficiency It is good in crack resistance. Chemical Composition of deposited Metal(%) C Mn Si S P others 0.32 1.02 0.38 0.003 0.008 Al 1.28 Mechanical Properties of Deposited Metal σb (MPa)tensile strength σs (MPa) yield strength σ5(%)elongation 520 480 23 Self-shieldingFlux Coredwelding Wire Features: 1) Suitable for use in such industries as: a) Metallurgical industry b) Bridge building c) Building industry d) Chemical industry e) Shipping industry 2) Diameters: a)0.8mm b) 0.9mm c) 1.0mm 3) Standards: a) GB E500T-4 b) AWS E70T-4 c) YC-E500T-4