Hastelloy X: nickel-chromium-iron-molybdenum superalloy offering exceptional oxidation resistance and high-temperature strength to 2200°F (1205°C), excellent fabricability and weldability, stress-corrosion cracking resistance, and NACE MR0175 certification for sour gas service. UNS N06002. W.N.r 2.4665. AMS 5754.
Hastelloy X is a nickel-based superalloy known for its excellent high-temperature strength, oxidation resistance, and fabrication performance. It is widely used in aerospace, gas turbines, and industrial furnace applications where extreme heat and oxidation resistance are required
Hastelloy X maintains useful strength and oxidation resistance up to 2200°F (1205°C) , with proven performance in gas turbine engines, industrial furnaces, and chemical processing equipment
Hengyi Metal offers high-quality nickel alloy products with competitive pricing and fast delivery
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Email: sales@hengyimetal.com
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Key Advantages of Hastelloy X
Excellent oxidation resistance up to 1200°C
Good high-temperature strength and stability
Outstanding resistance to carburization
Easy to fabricate and weld
Reliable performance in extreme environments
Applications
Gas turbine components
Industrial furnace parts
Aerospace engine components
Petrochemical processing equipment
Heat treating equipment
Related Products:
Hastelloy C276
Incoloy 825
Inconel 625
Related Articles
Hastelloy C22 vs C276 Comparison
Available Product Forms
| Form | Size Range | Key Specifications |
|---|---|---|
| Sheet & Strip | 0.5mm – 6.0mm thickness | AMS 5536, ASTM B435 |
| Plate | 3mm – 76.2mm thickness | ASTM B435, ASME SB435 |
| Round Bar | 2mm – 330mm diameter | ASTM B572, AMS 5754 |
| Wire | 0.025mm – 21mm diameter | ASTM B572, AMS 5798 |
| Seamless Pipe & Tube | Custom sizes | ASTM B622 |
| Welded Pipe & Tube | Custom sizes | ASTM B619, B626 |
| Forgings | Blocks, discs, rings | AMS 5754 |
| Fittings | Elbows, tees, reducers | ASTM B366 |
Available in coils, spools, cut lengths, and custom sizes. Surface finishes include annealed, pickled, ground, and bright annealed .
Chemical composition
% | Ni | Cr | Mo | Fe | Co | C | Mn | Si | P | S | Ti |
min | balance | 14.0 | 14.0 | ||||||||
max | 18.0 | 17.0 | 3.0 | 2.0 | 0.015 | 1.00 | 0.08 | 0.040 | 0.030 | 0.70 |
Note: Hastelloy is a registered trademark of Haynes International, Inc.
Alloy | ASTM | DIN | GB | |
|---|---|---|---|---|
New grades | Old grades | |||
| Hastelloy C-22 | UNS N06022 | 2.4602 | NS3308 | |
| Hastelloy C-276 | UNS N10276 | 2.4819 | NS3304 | NS334 |
| Hastelloy C-4 | UNS N06455 | 2.4610 | ||
| Hastelloy C-2000 | UNS N06200 | 2.4675 | ||
| Hastelloy C-59 | UNS N06059 | 2.4605 | ||
| Hastelloy B | UNS N10001 | NS3201 | NS321 | |
| Hastelloy B-2 | UNS N10665 | 2.4617 | NS3202 | NS322 |
| Hastelloy B-3 | UNS N10675 | 2.4615 | NS3203 | |
| Hastelloy X | UNS N06002 | 2.4613 | ||
| Hastelloy G30 | UNS N06030 | 2.4603 | ||











