Hastelloy® Alloy X (HX) (UNS N06002) Ni 47.5, Cr 21.8, Fe 18.5, Mo 9.
Excellent high temperature strength and oxidation resistance to 2200 ºF. 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 ºF 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.
Excellent high temperature strength and oxidation resistance to 2200 ºF. 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 ºF 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.
| Items |
 HX-BAR-0.5 0.500 Inch (in) Size Hastelloy® X (HX) Alloy |
HX-BAR-0.625 0.625 Inch (in) Size Hastelloy® X (HX) Alloy |
HX-BAR-0.75 0.750 Inch (in) Size Hastelloy® X (HX) Alloy |
HX-BAR-1 1.000 Inch (in) Size Hastelloy® X (HX) Alloy |
HX-BAR-1.25 1.250 Inch (in) Size Hastelloy® X (HX) Alloy |
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| Type | Bar | |||||||||
| Process | ||||||||||
| Size | 0.500 in | 0.625 in | 0.750 in | 1.000 in | 1.250 in | |||||
| Alloy | HX | |||||||||
| Density | 0.305 lb/in³ | |||||||||
| Specific Heat | 0.100 Btu/lb ºF | |||||||||
| Electrical Resistivity | 680.9 ohm/cir-mil-ft | |||||||||
| Melting Range | 2300 to 2470 ºF | |||||||||
| Thermal Expansion Coefficient at 79 to 200 Degree Fahrenheit (ºF) | 7.7 x 10-6 in/in/ºF | |||||||||
| Mechanical Type | Annealed | |||||||||
| Tensile Strength | 115 ksi | |||||||||
| Yield Strength | 50 ksi | |||||||||
| Elongation | 45.5 % | |||||||||
| Hardness | B90 | |||||||||
| Nickel (Ni) | Balanced | |||||||||
| Iron (Fe) | 18.5 | |||||||||
| Chromium (Cr) | 21.8 | |||||||||
| Cobalt (Co) | 1.5 | |||||||||
| Tungsten (W) | 0.6 | |||||||||
| Molybdenum (Mo) | 9 | |||||||||
| Manganese (Mn) | 0.5 | |||||||||
| Silicon (Si) | 0.5 | |||||||||
| Carbon (C) | 0.1 | |||||||||
| Other | 0.1 | |||||||||
| General Resistance | Temperature Oxidation | |||||||||
| Unified Numbering System (UNS) | N06002 | |||||||||
| Werkstof | 2.4665 | |||||||||
| Sheet/Plate USA | AMS 5536 B435 | |||||||||
| Bar/Rod USA | AMS 5754 B472 | |||||||||
| Forging USA | B564 | |||||||||
| Weld Wire | A5.14 ERNiCrMo-2 | |||||||||
| Weld Electrode | A5.11 ENiCrMo-2 | |||||||||
| Applications |
The alloy finds use in petrochemical process equipment and gas turbines in the hot combustor zone sections. Also used for structural components in industrial furnace applications because of the excellent oxidation resistance. Hastelloy® alloy X is recommended especially for use in furnace applications because it has unusual resistance to oxidizing, reducing, and neutral atmospheres. Furnace rolls made of this alloy were still in good condition after operating for 8700 hours at 2150 ºF. Furnace trays, used to support heavy loads, have been exposed to temperatures up to 2300 ºF. in an oxidizing atmosphere without bending or warping. Alloy X is equally suitable for use in jet engine tailpipes, afterburner components, turbine blades, nozzle vanes, cabin heaters, and other aircraft parts. Gas turbine combustion cans and ducting, heat-treating equipment. Alloy X has wide use in gas turbine engines for combustion zone components such as transition duct, 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 resistance to oxidizing, reducing and neutral atmospheres. Furnace rolls of this alloy were still in good condition after operating for 8700 hours at 2150 ºF (1177 ºC). Hastelloy® alloy X is also used in the chemical process industry for retorts, muffles, catalyst support grids, furnace baffles, tubing for pyrolysis operations and flash drier components. |
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| Additional Information |
A wrought nickel base alloy with excellent high temperature strength and oxidation resistance. All of the product forms are excellent in terms of forming and welding. Although this alloy is primarily noted for heat and oxidation resistance it also has good resistance to chloride stress-corrosion cracking and has good resistance to carburization, excellent resistance to reducing or carburizing atmospheres. Alloy X is one of the most widely used nickel base super alloys for gas turbine engine components. AMS 5754 has no yield or tensile strength requirements, but it does require a hardness maximum and stress rupture minimums. Strong and Oxidation Resistant to 2200 ºF (1200 ºC) - Hastelloy® alloy X is a solid solution strengthened grade has good strength and oxidation resistance up to 2200 ºF (1200 ºC). |
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