Conformed to AWS A5.9/ASME SFA A5.9/ER309L; 2-lb net weight of stainless steel welding wire; 4" spool wrapped in moisture-resistant plastic film; typical chemical composition %: C=0.025, Cr=24.5, Ni=13, Si=0.38, Mo=0.35, Mn=1.88, Cu=0.35, P=0.02, S=0.01, remain=Fe.
For MIG (GMAW) welding dissimilar alloys like mild steel and the stainless steels, and also direct overlay on mild steel for corrosion applications; occasionally used for welding "18-8" base metals when severe corrosion conditions exist or dissimilar metals; ER309L stainless steel exhibits high strength and good toughness over a wide range of temperatures; shielding gas required, usually Argon/CO2 mix.
Available wire diameters: 0.023" (0.6mm), 0.030" (0.8mm), 0.035" (0.9mm), 0.045" (1.2mm). Package of one (1-pk), two (2-pk) and five (5-pk) ER309L MIG welding wire 2-lb spools available.
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