... CO2 and Argon & CO2 mixed gas protective welding with stable feadability,good welding seams,less apatter E71T-GS self-shielded ... & CO2 mixed gas protective welding with stable feadability,good welding seams,less spatter,and excellent welding process properties.Application:Used ... ,pressure vessel for semi-auto or automatic gas shield welding.Chemial composition of deposit metal(%) ItemER70S-6Mechanic ...