ER70S-6 SG3 TIG rod In accordance with AWS A5.18 ER70S-6 SG3 HBWELD70S-6 SG3 welding wire is a bare Mn-Si-alloyed G4Si1/ER70S-6 solid wire for the GMAW of non-alloyed steels,Website:http://www.hbwelding.net, as used in general construction, automotive components, pressure vessel fabrication and shipbuilding.It has a slightly higher manganese and silicon content than HBWELD70S-6 SG3 to increase the weld metal strength.Shield gasAr gasPackingTube(TIG)Gauges:1.6-5.0mmPackage Size5KGS,10KGSStandard Chemical AnalysisCMnSiPSCrNiCu0.06-0.141.60-1.800.80-1.20≤0.025≤0.035--≤0.50Mechanical properties of deposited metalYield StrengthTensile StrengthElongationCharpy - V Akv46055023130(-20)