AWS A5.9 ER316LSi DUROARC 316LSi is a low carbon 19 Cr/ 12 Ni/ 3 Mo /0.85 Si type stainless steel TIG rod. Used mostly in the marine & food/dairy industry for welding 316L or 304 the 0.65-1.20% silicon contentor surfacing of having similar compositions. The weld metal has excellent creep strength up to 850?C. Ferrite controlled between 5 to 10%. The weld metal has excellent crack resistance, intergranular corrosion and Excellent mechanical properties & excellent bead appearance . Shielding Gas Argon Welding Recommendation DC (-) Mechanical Weld Properties Yeild Strength N/mm2 >350 Tensile Strength N/mm2 >520 Elongation A5 (%) >30 Impact Energy ISO-V(J) 20C >47