View extra specialized references from Sanmei Metal regarding stainless steel coils and stainless steel sheets. Bottom line, the neatest thing to complete is avoid the oxidation to start with, but you can chemically take care of it. On 3xx stainless I would even suggest polishing. You should definitely are working https://www.madanijayateknik.com/service/detail/as-round-bar-plate-sheet-stainless-steel-409-409l-409m-409cb-409ti