Inconel X-750
INCONEL X-750 (UNS N07750) is a precipitation-hardenable nickel-chromium alloy known for its excellent high-temperature performance and resistance to corrosion and oxidation. This alloy retains its strength and stability up to 704 °C (1300°F) and is frequently used in aerospace, nuclear, and gas turbine applications.
- UNS
- N07750
- Europe
- DIN 2.4669
- China
- GH4145
- Density
- 8.28 g/cm³
- Melting range
- 1393 – 1427 °C
- Delivery
- Solution annealed; aged to your drawing where the grade is age-hardenable.
What the spec says
Chemical composition in weight per cent and the standards we routinely certify to. Governing values are those printed on the EN 10204 certificate for your heat.
| Element | % |
|---|---|
| Ni | Balance |
| Cr | 14.0 - 17.0 |
| Fe | 5.0 - 9.0 |
| Ti | 2.25 - 2.75 |
| Al | 0.40 - 1.00 |
| Nb | 0.70 - 1.20 |
| Co | ≤ 1.00 |
| C | ≤ 0.08 |
| Mn | ≤ 1.00 |
| Si | ≤ 0.50 |
| S | ≤ 0.010 |
| Cu | ≤ 0.50 |
| Form | Standard |
|---|---|
| Plates | ASTM B670, ASME SB-670 |
| Round Bars | ASTM B637, ASME SB-637 |
| Seamless Tubes | ASTM B163, ASTM B407, DIN 2.4669 |
| Forgings | ASTM B637, ASME SB-637 |
| Wires | ASTM B639 |
Behaviour that matters in service
- High-Temperature Strength — INCONEL X-750 maintains its strength and stability in high-temperature environments, withstanding up to 704 °C, which makes it ideal for demanding aerospace and power applications.
- Corrosion and Oxidation Resistance — This alloy is highly resistant to oxidation and corrosion, even under extreme temperatures, and is suitable for use in environments containing acidic and saline elements.
- Good Fabricability — The alloy offers ease in fabrication, including welding and forming, which allows it to be used in a variety of industrial applications.
- Long-Term Stability — INCONEL X-750 demonstrates excellent creep-rupture strength, making it a reliable choice for long-term performance in elevated-temperature conditions.
Typical applications
- Aerospace — Widely used in turbine blades, rocket engines, and other high-temperature components within the aerospace industry.
- Nuclear Power — Commonly applied in reactor core components, control rods, and other parts due to its ability to withstand radiation and high temperatures.
- Gas Turbines — Used in components such as combustion chambers, transition liners, and other parts exposed to extreme temperatures.
- Industrial Heating — Suitable for furnace components and radiant tubes, where it resists oxidation and maintains strength.
- Automotive — Employed in exhaust valves and other automotive components that endure high heat and corrosive gases.
How we ship Inconel X-750
Melted in our own furnaces, tested in our own laboratory, and released with a certificate that matches the stamping on the bar or plate.
Forms
Round bar from 6 mm, plate, strip, seamless tube, open-die forgings and drawn wire.
Condition
Solution annealed; aged to your drawing where the grade is age-hardenable.
Documents
EN 10204 3.1 or 3.2, with chemistry, mechanical results and heat number traceability.
Inspection
SGS, BV, Intertek or your own inspector — welcomed before shipment.
Send the grade, the size, the quantity.
We will quote Inconel X-750 against your specification — including lead time, inspection level and documents.