UNILOY 303 and 303Se are improved machinability grades of 18-8 general purpose austenitic stainless steels. Machinability is respectively improved by additions of sulfur or selenium. Whereas standard 18-8 stainless steel had a machinability rating about 40-50% that of AISI B1112 free-machining carbon steel, these steels have a rating of about 70% that of AISI B1112. UNILOY 303Se is preferred over UNILOY 303 where machined finish and good cold formability and corrosion resistance are desired. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: SS-512. Producer or source: Cytemp Cyclops.

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