High-Temperature Alloys

HASTELLOY® S alloy	HAYNES® NS-163® alloy	HAYNES® 625 alloy
HASTELLOY® W alloy	HAYNES® 188 alloy	HAYNES® 625SQ® alloy
HASTELLOY® X alloy	HAYNES® 214® alloy	HAYNES® 718 alloy
HAYNES® 25 alloy	HAYNES® 230® alloy	HAYNES® X-750 alloy
HAYNES® R-41 alloy	HAYNES® 242® alloy	MULTIMET® alloy
HAYNES® 75 alloy	HAYNES® 263 alloy	HAYNES® Waspaloy alloy
HAYNES® HR-120® alloy	HAYNES® 282® alloy	HAYNES® Ti-3Al-2.5V alloy
HAYNES® HR-160® alloy	HAYNES® 556® alloy	High Temperature Alloys Fabrication Guide
HAYNES® HR-224TM alloy	HAYNES® 617 alloy	Specifications - High-Temperature Alloys

The aircraft gas turbine engine market has traditionally been the major user of HASTELLOY® and HAYNES® high-temperature alloys. Here the story has been one of incremental growth as each major advance in engine performance capitalizes on the development of newer and more efficient materials of construction.

MULTIMET® alloy was the first significant wrought HAYNES® high-temperature alloy offered to the aviation industry in the 1950's. HASTELLOY® X alloy, the next major development is still a "workhorse" of the industry. HAYNES® 188 alloy later offered engine designers a much higher temperature advantage. HAYNES® 230® alloy has gained increased use because of its unexcelled combination of high-temperature strength and oxidation resistance plus improved thermal stability. HAYNES® 242® alloy shows great promise for aircraft engine seal rings, containment rings, duct segments, casings and fasteners. The newest HAYNES® 282® alloy combines exceptional high temperature properties with good weldability and fabricability.

Outside of the aircraft industry, high performance, heat-resistant alloys offer properties never before available. Because of its superior oxidation resistance through 2200°F (1204°C), HAYNES® 214® alloy is gaining more and more applications in the ceramics, metalworking, automotive and electronics industries for "clean firing."

HAYNES® 556® and HR-160® alloys have very good resistance in waste disposal and fossil energy production because of their superior resistance to oxidation, sulfidation and molten salt attack.

HAYNES® HR-120®, 230® and 556® alloys are providing cost-effective solutions to many maintenance problems in the heat-treating and industrial heating industries because of their superior properties.

HASTELLOY® Family of Heat-Resistant Alloys
HASTELLOY® S alloy	Excellent thermal stability, good thermal fatigue resistance, good oxidation-resistance & relatively low expansion characteristics. Used in low-stress gas turbine parts. Excellent dissimilar filler metal.
HASTELLOY® W alloy	Excellent for welding dissimilar high-temperature alloys. Used extensively in aircraft engine repair and maintenance.
HASTELLOY® X alloy	Very good balance of strength, oxidation-resistance & fabricability. Most widely used material for aircraft, marine and industrial gas turbine engine combustors and fabricated parts.

HAYNES® Family of Heat-Resistant Alloys
HAYNES® 25 alloy	Excellent strength, good oxidation resistance to 1800°F (980°C), very good sulfidation resistance, and relatively good resistance to wear and galling. Used in gas turbine parts, bearings, and various industrial applications.
HAYNES® R-41 alloy	Age-hardenable alloy with excellent strength in the 1000°F-1800°F (540°C-980°C) temperature range. Used for critical gas turbine engine components.
HAYNES® 75 alloy	Basic heat-resistant alloy used in low-stress gas turbine and industrial applications.
HAYNES® HR-120® alloy	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	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-224TM alloy	A new alloy with excellent oxidation resistance and improved fabricability and weldability compared to HAYNES® 214® alloy.
HAYNES® NS-163® alloy	HAYNES® NS-163® alloy is a wrought cobalt-based alloy for use in sheet and wire forms.
HAYNES® 188 alloy	Excellent strength with superior oxidation resistance and thermal stability compared to HAYNES® 25 alloy . Good sulfidation resistance. Used extensively in demanding military and civil aircraft gas turbine engine combustors and other key components.
HAYNES® 214® alloy	Outstanding oxidation resistance to 2300°F (1260°C), excellent resistance to carburization and excellent resistance to chlorine-bearing environments. Used in demanding industrial heating applications and specialized gas turbine parts, such as honeycomb seals.
HAYNES® 230® alloy	Best balance of strength, thermal stability, oxidation resistance, thermal cycling resistance and fabricability of any major high-temperature alloy. Used in gas turbine combustors and other key stationary components. Also used for heat treating and industrial heating applications, and in the chemical/petrochemical process industry and in fossil energy plants. For welding, use 230-W® filler wire.
HAYNES® 242® alloy	Age-hardenable alloy with excellent strength to 1300°F (705°C), low thermal expansion characteristics, good oxidation resistance to 1500°F (815°C) and excellent fabricability. Also has excellent resistance to high-temperature fluorine and fluoride-bearing environments. Used in gas turbine seal rings, containment containment structures and high-strength fasteners. Also used in fluoropolymer plastics production and CPI applications.
HAYNES® 263 alloy	Age-hardenable alloy with excellent strength in the 1000°F-1600°F (540°C-870°C) temperature range and excellent forming and welding characteristics.
HAYNES® 282® alloy	Unique superalloy which combines exceptional high temperature properties with good weldability and fabricability.
HAYNES® 556® alloy	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	Good combination of metallurgical stability, strength, and oxidation resistance at high temperatures. Used in applications such as gas turbines for combustion cans, ducting, and transition lines.
HAYNES® 625 alloy	Widely used in various aerospace, chemical process and industrial heating components.
HAYNES® 625SQ® alloy	HAYNES® 625SQ® alloy sheet and strip find application in aerospace, automotive, and chemical process industry bellows, expansion joints, and fabrications where fatigue resistance, strength, and corrosion resistance are required.
HAYNES® 718 alloy	Age-hardenable alloy with excellent strength to 1200°F (650°C). Used extensively in gas turbine components.
HAYNES® X-750 alloy	Age-hardenable alloy with good strength to 1500°F (815°C).
MULTIMET® alloy	Predecessor of 556® alloy, used extensively in older aircraft gas turbines.
HAYNES® Waspaloy alloy	Age-hardenable alloy with excellent strength in the 1000°F-1800°F (540°C-980°C) temperature range. Used for critical gas alloy turbine engine components.

HAYNES® Titanium Tubulars
HAYNES® Ti-3Al-2.5V alloy	Alloy used where strength/weight ratio is of prime importance (43 percent lighter than 21-6-9 stainless steel). Used mostly in the form of seamless tubing for aircraft hydraulic systems.

Fabrication of HAYNES® & HASTELLOY® Solid-Solution-Strengthened High-Temperature Alloys

High Temperature Alloys Fabrication Guide	General Guidelines for Hot Working, Cold Working, Heat Treating, Joining, Descaling and Pickling, and Finishing.

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