ER70S-6 SG2 TIG rod In accordance with AWS A5.18 ER70S-6 SG2 HBWELD70S-6 SG2 welding wire is suitable for welding mild and C-Mn steels and is generally used for the root pass and to support welding when no back pass is possible.It can also be used for welding mild and carbon steels in metal structures. For first passes and bottom chamfer as support passes or in cases where it is impossible to weld on the back.Shield gasAs a copper coated G3Si1/ER70S-6 type solid TIG welding rod,Website:http://www.hbwelding.net, suitable for use mainly with Ar shielding gas.PackingPlastic Tube(TIG)Gauges:1.6-5.0mmPackage Size5KGS,10KGSStandard Chemical AnalysisCMnSiPSCrNiCu0.06-0.141.30-1.600.70-1.0≤0.025≤0.035--≤0.50Mechanical properties of deposited metalYield StrengthTensile StrengthElongationCharpy - V Akv45054024115(-20)