Inconel X 750 Material
Table of Contents
1. Introduction to Inconel X 750
Inconel x 750(Alloy X-750, UNS N07750/W. Nr. 2.4669) is a robust superalloy composed of nickel and chromium. Renowned for its resistance to oxidation, corrosion, and creep under high-temperature conditions.
People commonly use alloy x 750 in important areas. These include aerospace, energy, and petrochemical industries. It works well in tough conditions. Its exceptional mechanical properties make it an ideal choice for components exposed to high-stress and high-temperature environments.
2. Chemical Composition and Material Properties
Manufacturers primarily produce Inconel X 750, also referred to as Alloy X 750, from 70% nickel. It also contains chromium (15-20%), iron, and other elements. These elements include cobalt, molybdenum, and titanium.
These elements contribute to its exceptional ability to maintain strength and stability in high-temperature environments. The alloy’s special mix helps it resist corrosion and oxidation. This is especially true at temperatures over 1000°C (1832°F).
| Chemical Composition | % |
|---|---|
| Nickel (plus Cobalt) | 70.00 min. |
| Chromium | 14.0-17.0 |
| Iron | 5.0-9.0 |
| Titanium | 2.25-2.75 |
| Aluminum | 0.40-1.00 |
| Niobium (plus Tantalum) | 0.70-1.20 |
| Manganese | 1.00 max. |
| Silicon | 0.50 max. |
| Sulfur | 0.01 max. |
| Copper | 0.50 max. |
| Carbon | 0.08 max. |
| Cobalt* | 1.00 max |
3. Physical Properties of Alloy X 750
- Density and Hardness: Alloy X 750 has a density of about 8.44 g/cm³. This is normal for high-performance alloys. It maintains high hardness even at elevated temperatures, ensuring its durability in harsh environments.
- Melting Point and Thermal Stability: The alloy has a high melting point of about 1300°C (2372°F). This makes it great for uses that involve extreme heat.
- Corrosion Resistance: Alloy X 750 shows great resistance to oxidation and carburization. This is important for gas turbines and nuclear reactors.
- Thermal Expansion: This alloy has a low coefficient of thermal expansion, which helps prevent damage because of thermal cycling.
4. Mechanical Properties of Alloy X 750
- Tensile Strength and Yield Strength: This material has excellent tensile strength and yield strength. This is especially true in high-temperature settings. These properties are vital in components that experience mechanical stress at elevated temperatures.
- Fatigue Resistance: The alloy can resist fatigue at high temperatures. This makes it great for turbines and engines, where cyclic stresses matter.
- Creep Resistance: Alloy X 750 exhibits excellent resistance to creep. This means it keeps its shape even under constant stress and high temperatures.
5. Applications of Alloy X 750
Alloy X 750 is used across various industries that require materials to withstand extreme conditions:
- Aerospace and Defense: Manufacturers commonly use Alloy X 750 in aerospace applications. Engineers find it in gas turbines, rocket engines, and other parts that face high stress and high temperatures.
- Energy Industry: Many nuclear power plants widely use this alloy. Manufacturers also use it for parts in the oil and gas sector, like turbines, reactors, and power generation equipment.
- Petrochemical Industry: Alloy x 750 is popular in petrochemical settings. People often use it as wire in high-temperature reactors and furnaces.
- Manufacturers utilize inconel x750 wire to craft springs. These springs are important for the petrochemical industry.
- One of our key customers buys inconel x 750 wires. They use these wires to make springs. They serve clients in the petrochemical industry, like Baker Hughes.
- They work well in tough conditions. These springs must work in high temperatures and harsh chemicals. Alloy X 750 is great for this because it resists fatigue and has good thermal stability.
6. Processing and Fabrication of Alloy X 750
- Melting and Casting: Melting and casting Alloy X 750 needs special equipment because it has a high melting point. Once workers cast the alloy, they typically process it into forms such as sheets, plates, and wire.
- Heat Treatment: Alloy X 750 undergoes a solution annealing process to achieve its optimal mechanical properties. The alloy is then aged to enhance its strength and resistance to thermal degradation.
- Welding and Joining: You can weld Alloy X 750 using common methods. These include gas tungsten arc welding (GTAW) and electron beam welding. These methods keep the alloy’s properties intact during fabrication.
7. Supply and Market Overview
- Suppliers of Inconel X 750: Major suppliers of Alloy X 750 include Special Metals Corporation and Haynes International. Many distributors around the world also supply this material. Inconel X 750 is available in various forms, including bars, sheets, plates, and Inconel X 750 wire.
- Southerly Alloy Co., Ltd. is one of the representative inconel x 750 suppliers in China. We successfully export x750 plates and wires to the American, Middle East and Southeast Asian markets.
- Pricing and Availability: The cost of Inconel X 750 varies based on form, quantity, and market conditions. Experts consider it a premium material because of its specialized properties. People commonly use it in high-performance areas. Because of this, you can easily find it from many top material suppliers.
8. Comparison with Other Inconel Alloys
- Inconel 718 vs. Inconel X 750: Both alloys work well in high temperatures. Inconel 718 is best for high strength at lower temperatures. Inconel X 750 is better for extreme high temperatures and resists creep more effectively.
- Inconel 625 vs. Inconel X 750: Inconel 625 has better corrosion resistance in harsh chemical environments. Inconel X 750 is better for high-temperature uses, especially for parts under mechanical stress.
9. Conclusion and Future Outlook
Inconel X 750 remains a leading material choice for industries demanding high-temperature strength, fatigue resistance, and exceptional durability. Its uses keep increasing in the aerospace, energy, and petrochemical industries. This is especially true for parts like turbines, reactors, and springs in tough conditions.
The prospects for Inconel X 750 appear promising. Ongoing advancements in material science will likely improve its abilities even more.