Yes, 409 stainless steel is weldable. It’s frequently used in applications like exhaust units exactly where welding is critical. Electrostatic Charge: In powder coating, the paint is used as a dry powder that's billed electrostatically and sprayed on to the stainless steel. The charged powder particles cling into the surface, https://www.madanijayateknik.com/service/detail/as-round-bar-plate-sheet-stainless-steel-409-409l-409m-409cb-409ti