DUROARC 309LSI Stainless Mig 1.2mm 12.5kg Routing Tools 5h med 5h low General outdoor tasks 5h med 5h low Handy belt hook AWS A59 ER309LSiPremium Stainless Steel Mig Wire 15kgDuroArc 309LSi is a stainless MIG rod conforming to ER 309LSi for welding austenitic stainless steels such as AISI 309It is also used to weld dissimilar steels and for buffer layers and buttering 18 Cr 8 Ni steels Excellent oxidation andcorrosion resistance in continuous service up to 1100C Ferrite content is 15 approx The higher silicon content givesbetter arc stability and weld fluidityMaterials to be welded A312 TP309S carbon steel to stainless steels jointMechanical Weld PropertiesYeild Strength Nmm2 gt350Tensile Strength Nmm2 gt550Elongation A5 gt30Impact Energy ISOVJ 20C gt47Current ConditionsDC Shielding GasAr2C02 or Ar5C02Argonhelium could also be used to prevent oxidation of the weld metalCurrent ConditionsDC