For Tig welding on all grades of carbon steel, pipes, offshore drilling rigs and structural steel works. TGS-70S is a multiple deoxidised rod containing small amounts of zirconium, titanium and aluminum in addition to the manganese and silicon deoxidizers' characteristics of steel rod group. It produces superior quality welds with minimum porosity even over rust and mill scale. Available in 1.6mm & 2.4mm diameters.