... Stainless steel flange flat per rod chain. The main material is 304 316l 321 310S 904L . Product NameStainless steel nickel barStandardStainless steel ... gas, metallurgy, biology, electron, chemical, petroleum, boilers, nuclear, energy, construction field, ships building industry, war and electricity industry, boiler heat ... please feel free to contact us for more information. stainless steel nickel bar