316 and 316L stainless steel from Source21 are premium austenitic stainless steel grades designed for maximum corrosion resistance in severe and chemically aggressive environments. Known as marine grade stainless steel these alloys contain molybdenum which significantly improves resistance to pitting and crevice corrosion caused by saltwater acids and industrial chemicals. Type 316L features lower carbon content that enhances weldability and makes it especially suitable for sanitary and high purity applications. These grades are widely used in marine equipment pharmaceutical processing chemical handling food production facilities and architectural hardware where long term reliability is essential. Source21 supplies 316 and 316L stainless steel in coil, strip, sheet, foil, bar, and plate, all manufactured to meet ASTM A240, ASTM A666, AMS 5524 for 316, and AMS 5507 for 316L standards. Reach out to the Source21 team to place an order explore available forms or receive expert support tailored to your application needs with dependable supply and responsive service.