SUMITOMO DP3 is a duplex steel with 25 chromium to resist the oil country tubular goods environments of hydrogen sulfide, chlorides and carbon dioxide. The higher alloying also produces higher strengths and more resistance to chloride stress-corrosion cracking than 22 chromium duplex stainless steel. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as heat treating and joining. Filing Code: SS-570. Producer or source: Sumitomo Metal Industries Ltd.

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