Inconel 718 is able to effectively suppress stresses caused by temperature changes

Mondo Health Updated on 2024-01-31

Inconel718** Form: Plate, Bar, Tube, Steel Strip, Wire, Forging, Forging, Forged Pipe, Forged Plate, Forged Bar, Round Bar, Plate, Sheet, Seamless Pipe, Welded Pipe, Round Bar, Wire, Steel Plate, Disc Round, Strip.

1. Introduction. INCONEL718 is a high-strength, high-toughness superalloy with good oxidation resistance, corrosion resistance and wear resistance, which is widely used in equipment and components in aerospace, automotive, chemical, nuclear energy and other high-temperature and high-pressure environments.

2. Physical properties.

1.Density: The density of Inconel718 is about 845g cm, which has a small density compared to iron-based superalloys, is conducive to reducing the burden on equipment.

2.Melting point: The melting point of Inconel 718 is about 1270, which is higher than that of similar superalloys, which can meet the needs of higher temperatures.

3.Coefficient of thermal expansion: The coefficient of thermal expansion of INCONEL718 is about 10-12 10, and the thermal expansion performance is good, which can effectively suppress the stress caused by temperature change.

4.Oxidation resistance: Inconel718 has good oxidation resistance, can maintain stability in high temperature and high pressure environment, is not easy to produce oxides, and reduces the maintenance cost of equipment.

5.Corrosion resistance: Inconel718 has good corrosion resistance and can operate for a long time without corrosion in complex environments such as acid, alkaline and salt spray.

6.Mechanical properties: INCONEL718 has high strength and toughness, can resist large stress and impact, and is suitable for equipment materials under high temperature and high pressure conditions.

3. Process performance.

1.Casting process: Inconel718 can be produced by traditional casting processes, such as sand casting, metal mold casting, etc., which can meet the needs of parts of different shapes and sizes.

2.Welding process: Inconel718 has good welding performance, and can be connected by TIG, MIG, laser welding and other processes, and is suitable for a variety of structural forms.

3.Cutting and grinding process: Inconel 718 has high hardness, and can be processed by high-speed cutting, laser cutting, gas cutting and other processes to improve processing efficiency and accuracy.

Fourth, the field of application.

1.Aerospace: Inconel718 is widely used in the aerospace field, such as turbine nozzles, high-temperature bearings, high-temperature pneumatic components, etc., which can meet the performance requirements of high-speed flight and high-temperature environments.

2.Automobile manufacturing: Inconel718 can be used in automobile manufacturing, such as turbochargers, superalloy valves, etc., which can improve the power output and fuel efficiency of automobile engines.

3.Chemical industry: Inconel718 has a wide range of applications in the chemical industry, such as petroleum crackers, chemical containers, etc., and can withstand high temperatures, high pressures and corrosive environments.

4.Nuclear energy: INCONEL718 can be applied to the field of nuclear energy, such as nuclear reactor structural materials, nuclear fuel, etc., and can withstand extreme environments such as high temperature, high pressure and radiation.

5. Summary. Inconel718 is a superalloy with good physical and process properties, which has a wide range of application prospects. In aerospace, automotive, chemical, nuclear energy and other fields, Inconel718 can replace conventional materials to improve equipment performance and safety. In addition, the production process of Inconel718 is relatively mature and easy to promote and apply. With the continuous progress of science and technology and the development of material technology, it is believed that inconel718 will play its excellent performance in more fields and contribute to the development of human society.

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