Stainless steel type 409L has a relatively small chromium composition, which makes it a lower-cost choice for corrosion-resistant steel. Additionally, it is actually incorporates a good formability and welding efficiency and can also be hugely immune to oxidation in high temperatures. Mainly because I kind of agree which the welds https://www.madanijayateknik.com/service/detail/as-round-bar-plate-sheet-stainless-steel-409-409l-409m-409cb-409ti