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3-5 days
Inertrod 309L is a stainless TIG rod conforming to ER 309L for welding austenitic stainless steels such as AISI 309. It is also used to weld dissimilar steels and for buffer layers. Excellent high temperature oxidation resistance.
Classification:
AWS A5.9: ER 309L
EN 12072: W 23 12L