ATI 2003 (UNS S32003) is a molybdenum-enhanced lean duplex stainless steel (LDSS) that was developed to fill the performance gap between type 316L (UNS S31603) and 2205 duplex (UNS S32205) stainless steels. ATI 2003 has reduced alloy content, which makes it less costly than 2205 duplex, yet ATI 2003 retains the high strength level characteristic of duplex grades. Compared to type 316L, ATI 2003 has increased strength, better corrosion resistance, and greater cost stability. These and other factors make ATI 2003 an attractive alternative for a variety of applications. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-1335. Producer or source: ATI.

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