Inconel X-750/N 07750/2.4669 With Thermal Fatigue Resistant For Rapid Heating And Cooling Cycles
Inconel X-750 wire /N 07750/2.4669 is a high-performance nickel-chromium alloy that is designed for use in high-temperature applications. It is primarily known for its outstanding mechanical properties and resistance to oxidation and corrosion at elevated temperatures. Inconel X-750 is widely used in industries like aerospace, gas turbines, and power generation due to its ability to withstand extreme stress and high temperatures over prolonged periods.
Inconel X-750 wire /N 07750/2.4669 is a high-strength, high-temperature alloy primarily used in the aerospace, power generation, and chemical processing industries. It excels in environments where high mechanical stresses and extreme temperatures are present. Its excellent resistance to oxidation, carburization, and creep makes it ideal for critical components like gas turbine blades, combustion chambers, and hot-section components. The alloy's ability to retain strength and resistance to thermal cycling under harsh conditions ensures long-lasting performance in demanding applications.
Trade Code
CN | US | DER | |||
GB | ISC | COMMERCIAL CODE | UNS | DIN EN/ EN | W-Nr. |
NS 4102 GH 4145 | H 07750 | Hastelloy X750 | N 07750 | NiCr15Fe7TiAl | 2.4669 |
Chemical Composition Wt.% | % | Ni | Cr | Fe | Nb+ta | Co | C | Mn | Si | S | P | Cu | Al | Ti |
Min | 70 | 14 | 5 | 0.7 | 0.40 | 2.25 | ||||||||
Max | 17 | 9 | 1.20 | 1.0 | 0.08 | 1.0 | 0.5 | 0.01 | 0.015 | 0.50 | 1.0 | 2.75 |
Physical Constants | Density(g/cm³) | 8.25 | |||||
Melting Range(℃) | 1395-1425 |
Minimum mechanical properties of alloy at room temperature | Typical mechanical properties | Tensile strength Rm N/mm² | Yield strength RP 0.2 N/mm² | Elongation A5 % | Brinell Hardness HB | |||||
Solution treatment | 910 | 550 | 25 | ≤350 |
Inconel X-750 wire /N 07750/2.4669 retains excellent mechanical strength and creep resistance at high temperatures, up to around 1100°C (2012°F).
The alloy is specifically designed to maintain its integrity under the thermal cycling and stress conditions that occur in gas turbines, jet engines, and other critical high-temperature applications.
Exceptional resistance to oxidation and scaling at elevated temperatures, ensuring long-term durability even in aggressive environments.
Good resistance to both general and localized corrosion, including resistance to many acidic and alkaline environments.
It also performs well in the presence of sulfur-bearing and carbonaceous gases, which would degrade other materials.
Inconel X-750 wire /N 07750/2.4669 has good resistance to thermal fatigue and thermal shock, which are crucial in applications that experience cyclic heating and cooling.
The alloy exhibits good weldability, although it requires attention to detail due to its high alloy content and the risk of cracking in certain conditions.
Suitable for various fabrication techniques, including welding, machining, and forming. Common welding methods include gas tungsten arc welding (TIG), electron beam welding (EBW), and resistance welding.
The alloy is designed to resist creep deformation under high stress and temperature, which is especially important in components subjected to long-term loads in high-temperature environments.
This resistance to long-term deformation makes it ideal for use in gas turbines, jet engines, and other critical high-performance parts.
Applications:
Inconel X-750 wire /N 07750/2.4669 is primarily used in high-stress, high-temperature applications, including: