American Utility Metals primarily supplies a brand of Utility Stainless Steel known as 3CR12 (a trade mark of Columbus Stainless, originally marketed by Cromweld Steels Limited and Crominox in the UK and Europe), however we can source other brands if preferred by the customer, these include: Duracorr (a trade mark of ISG) F12N (a trade mark of Usinor) Nirosta 4003 (a trade mark of Krupp Thyssen Steel), conforms to ASTM A240 UNS S40977 AL 412 (a trade mark of Allegheny Ludlum) AK 41003 (a trade mark of AK Steel) Riverlite D410DH (a trade mark of the Kawasaki Steel Corporation)