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.

Hipernom is a high nickel-iron alloy that is magnetically soft and has high minimum and maximum magnetic permeabilities. It is used in many applications including shielding, saturable reactors, transformers, and relays. This datasheet provides information on composition, physical properties, elasticity, and tensile properties. It also includes information on forming, heat treating, machining, and joining. Filing Code: Ni-133. Producer or source: Carpenter. Originally published as Hipernom, May 1968, revised December 1997.

UCI-160 (also called HK alloy) has been a standard material used in reformer type furnaces for many years. It performs well in carburizing and nitriding gases (both oxidizing and reducing) up to 1800 F. HK was the first general-purpose alloy for ethylene pyrolysis furnaces. UCI-160 is used in many replacement applications for furnace tubing. This datasheet provides information on composition and physical properties as well as creep. It also includes information on corrosion resistance as well as casting, heat treating, machining, and joining. Filing Code: SS-682. Producer or source: Ultra-Cast Inc.

Märker G-4857M is a 25Cr-37Ni-Mo alloy with good creep rupture strength and good resistance to carburization. and oxidation. The alloy is used as tubes and castings for reformer and pyrolysis furnaces. It can be used to 1100 deg C (2000 deg F) in air or combustion gases. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on casting and joining. Filing Code: SS-635. Producer or source: Schmidt & Clemens Inc.

PARALLOY CR32W is a cast austenitic high alloy stainless steel for applications to 1000 C (1180 F). The alloy balances high strength with good creep ductility. Typical applications include outlet headers and manifolds (pigtails) in steam methane reformers. This datasheet provides information on composition, physical properties, and tensile properties as well as creep. It also includes information on high temperature performance as well as casting. Filing Code: SS-580. Producer or source: Paralloy Ltd.

Märker G4848 is a cast austenitic stainless steel for use up to 1050 C (1922 F). Typical uses include petrochemical ethylene furnace tubes and steam metal reformers. This datasheet provides information on composition and physical properties. It also includes information on casting and joining. Filing Code: SS-545. Producer or source: Schmidt & Clemens GmbH.