Description
Overview Of Hastelloy X
Hastelloy X is a nickel-based superalloy powder characterized by its exceptional thermal stability, resistance to oxidative degradation, and exceptional formability under high-stress conditions. Widely deployed across aerospace, industrial, and energy sectors, this material enables the fabrication of components subjected to corrosive atmospheres, extreme temperatures, and mechanical stresses.
Powder Chemical Composition(wt,-%)
| Element | C | Cr | Ni | Co | W | Mo |
| wt% | 0.05-0.15 | 20.50-
23.00 |
Bal | 0.50-2.50 | 0.20-1.00 | 8.00-10.00 |
| Element | Al | Ti | Fe | B | Mn | Si |
| wt% | ≤0.50 | ≤0.15 | 17.00-
20.00 |
≤0.01 | ≤1.00 | ≤1.00 |
| Element | P | S | Cu | O | N | – |
| wt% | ≤0.025 | ≤0.015 | ≤0.50 | ≤0.025 | ≤0.008 | – |
Physical Properties
| Size | Particle size distribution | Hall flow rate | Bulk density | Tap density | ||
| D10(μm) | D50(μm) | D90(μm) | ||||
| 15-53μm | ≥15 | 30-40 | ≤60 | ≤25s/50g | ≥4.20g/cm³ | ≥4.80g/cm³ |
Mechanical Properties
| Measuringtemperature | Tensilestrength
(Ob/Mpa) |
Yieldstrength
(Opo.2/Mpa) |
Elongation at break
(δ5/%) |
| 25℃ | ≥690 | ≥300 | ≥30 |
| 800℃ | ≥350 | ≥180 | ≥30 |
| 900℃ | ≥220 | ≥170 | ≥30 |
Heat Treatment Recommendation
Solution Heat Treatment:1100-1200℃/1H
Primary Applications
Hastelloy X’s exceptional resistance to thermal degradation, creep deformation, and corrosive environments positions it as a critical material across diverse sectors requiring high-performance components. Key industrial applications include:
Aerospace Engineering
● Turbojet Systems: Fabrication of combustion liners, afterburner components, and high-temperature exhaust ducts due to superior oxidation resistance at temperatures exceeding 1100°C.
● Thermal Protection: Integration into heat shields and turbine blade coatings for enhanced durability during thermal cycling and thermal shock scenarios.
Energy & Chemical Processing
● Power Generation: Deployment in nuclear reactor coolant channels, gas turbine hot sections, and superheater tubes in fossil fuel plants (operating pressures up to 30 MPa).
● Chemical Reactors: Construction of reformer tubes, catalytic cracking units, and acid digestion vessels subjected to aggressive media (HCl, H₂S, SO₂).
Industrial Manufacturing
● Heat Treatment Equipment: Utilization in radiant tubes, retort furnaces, and quenching systems operating at 950–1200°C, minimizing maintenance due to resistance to carburization and sulfidation.
● Petrochemical Infrastructure: Fabrication of high-pressure steam pipelines, waste incinerator components, and process heaters exposed to corrosive gases.
Automotive & Transportation
● Exhaust Systems: Application in diesel engine exhaust manifolds, catalytic converter housings, and turbocharger assemblies to withstand prolonged thermal fatigue.
● Emission Control: Integration into selective catalytic reduction (SCR) systems for enhanced durability in high-temperature exhaust streams.
Technical Advantages
● Material Efficiency: Enables lightweight designs while maintaining structural integrity, reducing component weight by 20–30% compared to traditional nickel alloys.
● Cost-effectiveness: Extended service life (up to 50,000 operating hours) minimizes replacement cycles in high-corrosion environments.
Notable Projects
● Commercial Aviation: Boeing 787 engine components, Airbus A350LP turbine assemblies.
● Renewable Energy: Solar thermal power tower receivers, geothermal steam generators.
