NAS H840 is Ni-Cr-Fe alloy with excellent oxidation resistance. The alloy is used extensively in heat treatment furnaces and petrochemical reactors. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming and joining. Filing Code: SS-1088. Producer or source: Nippon Yakin Kogyo Company Ltd.

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