Stainless Steel 409 is a ferritic stainless steel with a unique composition that includes chromium, nickel, and trace amounts of other elements such as titanium. The inclusion of titanium is significant as it enhances the material's weldability and overall stability. The chromium content, which typically ranges between 10.5% and 11.75%, provides a passive layer of oxide on the surface... https://www.metcoresteel.com/stainless-steel-409-pipes-tubes-manufacturer-exporter-suppliers-stockists.html