1. The chemical composition is different:304 is a cover stainless steel, its material composition is 0Cr18Ni9, 316L is an austenitic stainless steel, and the material composition is 00Cr12Mo2Ti. 2. Different properties:304 steel is resistant to corrosion by
ASTM A312 PipesASTM A312 Stainless Steel PipesTP304 ASTM A312 specification covers standard specification for seamless, straight-seam welded, and cold worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service. Several grades of steel shall conform to the required chemical composition for carbon, manganese, phosphorus, sulfur, silicon, chromium, nickel, molybdenum, titanium, columbium,
ASTM A959 304LHN (S30454) stainless steel plate__Steel A959 Standard guide for specifying harmonized standard grade compositions for Wrought stainless steels. Gangsteel is specialized in supplying ASTM A959 steel plate in 201,304,304L,309S,310S,316,409,410 etc.