HPM, or 25Cr-38Ni-Mo-Ti, is a wrought alloy developed for cracking tubes in ethylene plants. Development was aimed at tubes with similar or better elevated temperature strength and carburization resistance compared to HP grade centrifugally cast tubes, but with higher ductility, better toughness, and ability to be produced in longer and smaller tubing. See also Alloy Digest SS-307, March 1975, and SS-689, July 1997, for data about the HP (UCI-190) grade. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on corrosion resistance as well as joining. Filing Code: Ni-541. Producer or source: Sumitomo Metal USA.

chemical composition, corrosion-resistant alloys, creep properties, ductility, elasticity, fracture toughness, hardness, joinability, nickel-chromium alloys, physical properties, tensile properties, tubes, thermal properties
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Topics
Corrosion-resistant alloys Tubes Nickel-chromium alloys Chemical composition Joinability Creep properties Elastic modulus Fracture toughness Hardness Ductility Tensile properties Physical properties Thermal properties
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