High-temperature Alloys

HAYNES® 25 alloy
HAYNES® 25 alloy (UNS R30605) offers excellent strength, good oxidation resistance to 1800°F (980°C), and relatively good resistance to wear and galling. Used in gas turbine parts.
HAYNES® 75 alloy
HAYNES® 75 alloy (UNS N06075) is a basic heat-resistant alloy used in low-stress gas turbine and industrial applications.
HAYNES® 188 alloy
HAYNES® 188 alloy (UNS R30188) is a cobalt-nickel-chromium-tungsten alloy that offers excellent high-temperature strength and superior oxidation resistance up to 2000°F (1095°C) and thermal stability. This alloy is used extensively in demanding military and civil aircraft gas turbine engine combustors, transition ducts, and after-burner components.
HAYNES® 214® alloy
HAYNES® 214® alloy (UNS N07214) is a nickel-chromium-aluminum-iron alloy designed to provide the optimum high-temperature oxidation resistance for a wrought material, while at the same time allowing for conventional forming and joining. This alloy offers outstanding oxidation resistance to 2300°F (1260°C) and is used in demanding, specialized gas turbine parts, such as honeycomb seals combustor splash plates and other static oxidation-limited parts.
HAYNES® 230® alloy
HAYNES® 230® alloy (UNS N06230) is a nickel-chromium-tungsten-molybdenum alloy that offers the best combination of high- temperature strength, resistance to oxidizing environments up to 2100°F (1149°C) for prolonged exposures, excellent long-term thermal stability, and fabricability of any major high-temperature alloy. It is used for combustion cans, transition ducts, flame holders, thermocouple sheaths, and other important gas turbine components.
HAYNES® 233® alloy
HAYNES® 233® alloy is a new Ni-Co-Cr-Mo-Al alloy that offers excellent oxidation resistance at temperatures up to 2100°F (1149°C) or higher coupled with superior creep strength – a combination of properties never before achieved in a readily fabricable alloy. The alloy obtains its exceptional oxidation resistance through the formation of a protective alumina scale. Potential applications include hot gas components in aerospace and industrial gas turbines, industrial heating fixtures and sensors, and various structural components in the emerging technology market.
HAYNES® 242® alloy
HAYNES® 242® alloy (UNS N10242) is an age-hardenable, nickel-molybdenum-chromium alloy which derives its strength from a long-range ordering reaction upon aging. This alloy offers excellent strength to 1300°F (705°C), low thermal expansion characteristics, good oxidation resistance up to 1500°F (815°C), excellent low-cycle fatigue properties, very good thermal stability, and fabricability.  It is used in gas turbine seal rings, containment, and high-strength fasteners.
HAYNES® 244® alloy
HAYNES® 244® alloy is a age-hardenable, nickel-molybdenum-chromium-tungsten alloy with an extended operating temperature range to 1400°F (760°C). This alloy offers improved yield strength and creep rupture strength, versus HAYNES® 242® alloy, as well as a lower thermal expansion. Additionally, the alloy has excellent low-cycle fatigue and good oxidation resistance. The higher strength and lower thermal expansion provides better dimensional control, sealing, and containment characteristics for aero engine designers.
HAYNES® 263 alloy
HAYNES® 263 alloy (UNS N07263) is a gamma-prime strengthened, age-hardenable alloy with good strength in the 1000-1400°F (540-760°C) temperature range and excellent forming and welding characteristics.
HAYNES® 282® alloy
HAYNES® 282® alloy (UNS N07208) is a wrought, gamma-prime strengthened superalloy developed for high-temperature structural applications, especially those in aero and industrial gas turbine engines. It possesses a unique combination of creep strength, thermal stability, weldability, and fabricability not found in currently available commercial alloys. This new alloy has excellent creep strength in the temperature range of 1200 to 1700°F (649° to 927°C), surpassing that of Waspaloy alloy and approaching that of R-41 alloy. The features of this alloy make it suitable for critical gas turbine applications, such as sheet fabrications, forged rings and cases, exhaust and nozzle structures, and other hot-gas-path components. Vacuum-melted castings and additive manufactured powder components have also been successfully produced and used.
HAYNES® 556® alloy
HAYNES® 556® alloy (UNS R30556) is a high-strength alloy with broad spectrum of resistance to high-temperature corrosive environments. Used in waste incineration, heat-treating, calcining, chemical processing, galvanizing, refinery, boiler and gas turbine components of various types. Excellent fabricability and excellent as a dissimilar filler metal for welding nickel or cobalt alloys to iron-base alloys.
HAYNES® 617 alloy
HAYNES® 617 alloy (UNS N06617) is widely used in gas turbines for combustion cans, ducting and transitions.
HAYNES® 625 alloy
HAYNES® 625 and 625SQ® alloys (UNS N06625, UNS N06626)  are used in wide variety of aerospace components. The 625SQ® alloy grade offers improved LCF properties for bellows type applications.
HAYNES® 625SQ® alloy
HAYNES® 625 and 625SQ® alloys are used in wide variety of aerospace components. The 625SQ® alloy grade offers improved LCF properties for bellows type applications.
HAYNES® 718 alloy
HAYNES® 718 alloy (UNS N07718) is an age-hardenable alloy with excellent strength to 1200°F (650°C). Used extensively in gas turbine components.
HAYNES® HR-120® alloy
HAYNES® HR-120® alloy (UNS N08120) is a high-strength economical alloy, with good resistance to industrial environments. Designed for use in heat treating fixture and industrial heating applications as an upgrade from 330 alloy, 800H alloy and stainless steels. Excellent carburization and sulfidation resistance.
HAYNES® HR-160® alloy
HAYNES® HR-160® alloy (UNS N12160) has outstanding resistance to sulfidation and other high-temperature aggressive environments. Used in waste incineration, boiler, high-temperature reaction vessel and rotary calciner applications.
HAYNES® HR-224® alloy
HAYNES® HR-224® alloy is a new alloy with excellent oxidation resistance to 2200°F (1204°C), with improved fabricability and weldability compared to HAYNES® 214® alloy. Used in demanding industrial heating applications and steam reformer parts.
HAYNES® HR-235® alloy
HAYNES® HR-235® alloy is a high-chromium, copper-bearing nickel alloy that has excellent resistance to metal dusting in carbonaceous high-temperature environments. Potential uses include applications in petrochemical production and syngas plants. Similar to other nickel-based corrosion resistant alloys, the alloy is readily fabricated and welded.
MULTIMET® alloy
Predecessor of 556® alloy (UNS R30155, W73155), used extensively in older aircraft gas turbines.
HAYNES® NS-163® alloy
HAYNES® NS-163® alloy is a wrought cobalt-based alloy for use in sheet and wire forms.
HAYNES® R-41 alloy
HAYNES® R-41 alloy (UNS N07041) is a gamma-prime strengthened, age-hardenable alloy with excellent strength in the 1000-1650°F (540-900°C) temperature range. Used for critical gas turbine engine components.
HASTELLOY® S alloy
HASTELLOY® S alloy (UNS N06635) offers excellent thermal stability, good thermal fatigue resistance, good oxidation-resistance and relatively low expansion characteristics. Used in low-stress gas turbine parts.
HASTELLOY® W alloy
HASTELLOY® W alloy (UNS N10004) is excellent for welding dissimilar high-temperature alloys. Used extensively in aircraft engine repair and maintenance.
HAYNES® Waspaloy alloy
HAYNES® Waspaloy alloy (UNS N07001) is a gamma-prime strengthened, age-hardenable alloy with very good strength in the 1000-1650°F (540-900°C) temperature range.  Widely used for forged and fabricated gas turbine and aerospace components.
HASTELLOY® X alloy
HASTELLOY® X alloy (UNS N06002, W86002) is a nickel-chromium-iron-molybdenum alloy that has been in service in aerospace applications for nearly 50 years. The alloy offers very good balance of high-temperature strength, oxidation resistance, and fabricability. This alloy is widely used for aircraft and industrial gas turbine engine fabricated combustor and exhaust components, such as transition ducts, combustor cans, spray bars and flame holders, afterburners, and tailpipes.
HAYNES® X-750 alloy
HAYNES® X-750 alloy (UNS N07750) is an age-hardenable alloy with good strength to 1500°F (815°C).