2.What are the mechanical properties of inconel 750?
Tensile Strength: Ultimate tensile strength is typically around 1100 - 1300 MPa for heat - treated conditions. Yield strength (0.2% offset) is in the range of 750 - 950 MPa.
Elongation: Elongation at break is usually 10 - 20%.
Hardness: The hardness of Inconel 750 can vary depending on the heat treatment and processing, but it is generally in the range of 30 - 40 HRC.
Creep and Stress - Rupture Properties: Inconel 750 has good creep and stress - rupture resistance at elevated temperatures. For example, at 650 °C, it can withstand significant stress for extended periods before failure.
3.What is the chemical composition of inconel 750?
Nickel (Ni): Balanced, typically around 70%
Chromium (Cr): 14 - 17%
Iron (Fe): 6 - 10%
Titanium (Ti): 2.25 - 2.75%
Aluminum (Al): 0.4 - 1.0%
Columbium (Cb): 0.7 - 1.2%
Carbon (C): 0.08 max
Manganese (Mn): 1.0 max
Silicon (Si): 0.5 max
Sulfur (S): 0.015 max
Copper (Cu): 0.5 max
4.What is the application of inconel 750 ?
Aerospace: It is used in aircraft engine components such as turbine blades, discs, and fasteners. Its high - temperature strength and creep resistance make it suitable for withstanding the extreme conditions in jet engines.
Power Generation: Inconel 750 is employed in power plants, particularly in gas turbines and steam turbines. It is used for components like blades, shafts, and casings that are exposed to high - temperature and high - pressure steam or combustion gases.
Petrochemical Industry: It is used in equipment such as reactors, heat exchangers, and piping systems that handle corrosive chemicals and operate at elevated temperatures and pressures.
Oil and Gas: Inconel 750 is used in downhole tools and equipment for oil and gas exploration and production. Its corrosion resistance and high - temperature strength make it suitable for harsh environments.
4.What is the application of inconel 750 ?
High - Temperature Strength: It can maintain excellent mechanical properties at high temperatures, enabling it to operate reliably in extreme thermal conditions.
Corrosion Resistance: It has good resistance to a variety of corrosive media, including acids, alkalis, and salt solutions. This makes it suitable for use in harsh chemical environments.
Oxidation Resistance: Inconel 750 forms a protective oxide layer at high temperatures, which helps prevent further oxidation and degradation of the material.
Weldability: It can be welded using various welding techniques, allowing for the fabrication of complex structures and components.
Fatigue Resistance: It has good fatigue resistance, which is important for components that are subjected to cyclic loading in service.
