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HASTELLOY® X alloy (UNS N06002 (W86002) is a nickel-chromium-iron-molybdenum alloy that possesses an exceptional combination of oxidation resistance, fabricability and high-temperature strength. It has also been found to be exceptionally resistant to stresscorrosion cracking in petrochemical applications. X alloy exhibits good ductility after prolonged exposure at temperatures of 1200, 1400, 1600°F (650, 760 and 870°C) for 16,000 hours. Ease of Fabrication HASTELLOY® X alloy has excellent forming and welding characteristics. It may be forged or otherwise hot-worked, providing it is held at 2150°F (1177°C) for a time sufficient to bring the entire piece to temperature. As a consequence of its good ductility, HASTELLOY® X alloy is also readily formed by cold-working. All hot- or cold- worked parts should be annealed and rapidly cooled in order to restore the best balance of properties. The alloy can be welded by a variety of techniques, including gas tungsten arc (GTAW), gas metal arc (GMAW), shielded metal arc (SMAW), and resistance welding. Additional information regarding fabrication can be in the Welding and Fabrication brochrue. Heat-Treatment Wrought forms of HASTELLOY® X alloy are furnished in the solution heat-treated condition unless otherwise specified. X alloy is typically solution heat-treated at 2150°F (1177°C) and rapid cooled. Bright annealed products are cooled in hydrogen. Annealing at temperatures lower than the solution heat- treating may cause precipitation of secondary phases, which may affect the alloy’s strength and ductility. Useful for Aircraft, Furnace and Chemical Process Components X alloy has wide use in gas turbine engines for combustion zone components such as transition ducts, combustor cans, spray bars and flame holders as well as in afterburners, tailpipes and cabin heaters. It is recommended for use in industrial furnace applications because it has unusual resistant to oxidizing, reducing and neutral atmospheres. Furnace rolls of this alloy were still in good condition after operating for 8,700 hours at 2150°F (1177°C). HASTELLOY® X alloy is also used in the chemical process industry for retorts, muffles, catalyst support grids, furnace baffles, tubing for pyrolysis operations and flash drier components. 
Nominal Composition Weight % 
Nickel: 47 Balance
Chromium: 22
Iron: 18
Molybdenum: 9
Cobalt: 1.5
Tungsten: 0.6
Carbon: 0.1
Manganese: 1 max.
Silicon: 1 max.
Boron: 0.008 max.
Niobium: 0.5 max.
Aluminum: 0.5 max.
Titanium: 0.15 max. 
HASTELLOY®  X PLATE APPLICATIONS

Hastelloy® X plate is used for mnay furnace applications within the aerospace industry because it has unusual resistance to oxidising, reducing, and neutral atmospheres. Applications within the aerospace industry include but aren't limited to:

• Afterburner components
• Nozzle vanes
• Cabin heaters
• Jet engine tailpipes
• Turbine blades

In addition to Hastelloy X plate, Kankaratna Steelage also stocks Hastelloy X bar, sheet, and forgings.

Owing to the sound industry experience, we have been successful in catering to the requirements of our esteemed clients by offering quality Hastealloy X Fittings.

Specifications:

• Resistant to pitting, crevice corrosion and stress corrosion cracking
• Outstanding resistance to both reducing and oxidizing media
• Excellent resistance to oxidizing aqueous media
• Exceptional resistance to a wide variety of chemical process environments including strong oxidizers such as ferric acids, acetic anhydride, and seawater and brine solutions
• Resists the formation of grain-boundary precipitates in the weld heat-affected zone
• Excellent weldability

 

Chemical Composition, %

 

ASTM Specifications

Mechanical Properties

Typical Room Temperature Tensile Properties of Annealed Material

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