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Lincoln® ER309Si/309LSi
TIG (GTAW) Cut Lengths
AWS A5.9: ER309Si, AWS A5.9: ER309LSi
LINCOLN® ER309Si/309LSi Tungsten Inert Gas Rod designed with a higher silicon content for increased puddle fluidity and wetting at the toes, used when joining dissimilar metals, most often mild steel to stainless steels.