AL TECH STAINLESS TYPE 431 is a nickel-bearing martensitic stainless steel. Its high chromium content permits service in the annealed condition to 1500 F. It develops superior mechanical properties in the quenched-and-tempered condition. 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-468. Producer or source: AL Tech Specialty Steel Corporation.

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