AWS A5.9 : ER309L
EN ISO 14343-A : G 19 9 L
JIS Z3321 : YS308L


It is designed with lower range carbon to help prevent intergranular corrosion used to weld types 301, 302, 304 and 308 stainless steels. It is also used to join some dissimilar 300 series stainless steel. Typical application include welding of AISI 301, 302 and 308 in chemical, oil and gas refineries, stainless sheet metal works and rail car fabrication industry

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