High-temperature Nickel Alloys
High-temperature resistance is essential in many applications. Gas turbines, fuel nozzles, heat treating fixtures, and furnace muffles. These materials must stand up to high heat, extreme oxidation potential and cycling.
Alloy X (HX)
(UNS N06002) Ni 47.5, Cr 21.8, Fe 18.5, Mo 9.0
Excellent high temperature strength and oxidation resistance to 2200°F. Excellent forming and welding characteristics. Resistance to oxidizing, reducing, and neutral atmospheres. Resistant to SCC in petrochemical applications. Good ductility after prolonged service temperatures of 1200, through 1600°F for 16,000 hours.
Gas turbine combustion cans and ducting, heat-treating equipment, spray bars, flame holders, furnace rolls, furnace baffles, and flash drier components.
Alloy 625
(UNS N06625) Ni 61.0, Cr 21.5 Mo 9.0, Nb+Ta 3.6
High strength and toughness from cryogenic temperatures to 1800 degrees F (980 degrees C), good oxidation resistance, exceptional fatigue strength, and good corrosion resistance.
Chemical and pollution control equipment, ash pit seals, nuclear reactors, marine equipment, ducting, thrust reverser assemblies, fuel nozzles, afterburners, spray bars.
Alloy 718
(UNS N07718) Ni 52.5, Cr 19.0 Fe 18.5 Mo 3.0 Nb+Ta 3.6
Excellent strength from -423 degrees F to 1300 degrees F (-253 degrees C to 705 degrees C). Age hardenable and may be welded in fully aged condition, Excellent oxidation resistance up to 1800 degrees F (980 degrees C).
Jet engines, pump bodies and parts, rocket motors and thrust reversers, nuclear fuel element spacers, hot extrusion tooling.
Alloy 600
(UNS N06600) Ni 76.0, Cr 15.5, Fe 8.0
High nickel, high chromium content for resistance to oxidizing and reducing environments; for severely corrosive environments at elevated temperatures. Good oxidation resistance to 2150°F. Good formability.
Furnace muffles, electronic components, chemical and food processing equipment, heat treating equipment, nuclear steam generator tubing.
Alloy 601
(UNS N06601) Ni 61 Cr 23 C 0.10 Mn 1.0 Al 1.4 Fe Bal S 0.015 Si 0.5
Nickel, higher chromium content for better resistance to oxidizing and reducing environments; for severely corrosive environments at elevated temperatures. Good oxidation resistance to 2200°F. Good formability.
Instrument probes, furnace muffles, electronic components, chemical and food processing equipment, heat treating equipment, nuclear steam generator tubing.
Alloy 800H/HT
(UNS N08810/N08811) Fe base, Ni 32, Cr 21, Mn 1.5, Ti-Al strengthened.
800H/HT is an iron-nickel-chromium alloy having the same basic composition as Alloy 800 but with significantly higher creep rupture strength. Exhibits excellent resistance to carburization, oxidation and nitriding atmospheres. The alloy is dual certified and combines the properties of both forms.