EASTERN STAINLESS Type 347 contains an addition of columbium which produces a stabilized type of stainless steel free from the chromium carbide precipitates that cause intergranular corrosion. It is recommended for welded parts which cannot be annealed after welding. It is also used for parts which are intermittently heated and cooled to temperatures between 800 and 1600 F. Its many applications include exhaust manifolds, expansion and high-pressure steam pipes. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness, creep, and fatigue. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: SS-390. Producer or source: Eastern Stainless Steel Company.

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