GH1040

GH1040 alloy is a Fe-Ni-Cr based deformation alloy that is reinforced and stabilized with elements such as chromium and molybdenum in the austenitic matrix. GH1040 has excellent high-temperature performance and corrosion resistance, and is suitable for engineering applications in various high-temperature environments. This article will analyze its composition and performance characteristics, and explore its application in fields such as gas turbines and rocket engines.

The main components of GH1040 alloy include elements such as chromium, nickel, and molybdenum. Among them, the chromium content is 1517.5% and the molybdenum content is 5.507.00%. The addition of these elements strengthens the crystal structure of the alloy and improves its ability to resist high temperature and corrosion. In addition, the alloy also contains a certain amount of elements such as silicon and manganese, further optimizing the microstructure and stability of the alloy.

GH1040 alloy has a high thermal strength index, with good thermal strength below 700 degrees and high instantaneous strength between 900 and 1000 degrees. It has good heat and corrosion resistance, and can work stably in high temperature and high pressure environments. In addition, alloys have good hot working plasticity, welding performance, and cold forming performance, which can meet the processing needs of complex components.

GH1040 alloy is widely used in the manufacturing of gas turbine welded rotors, shafts, fasteners and other components. It has also been applied in short-term working scenarios in high-temperature environments such as rocket engine components and turbine discs. Due to its excellent heat resistance and mechanical properties, GH1040 alloy plays an important role in the aerospace field, providing reliable material support for the manufacturing of key equipment such as aviation engines and rocket propulsion systems.

Elastic modulus (GPa) at 226 ° C: 587; Thermal expansion coefficient between 20 ° C and 925 ° C (10-6/° C): 41; Thermal conductivity: Temperature: 226 ° C/925 ° C, Thermal conductivity (W/m. ° C): 13.3/14.2; 226 ° C specific heat capacity (J/kg. ° C): 343; 24 ° C resistivity (Ω. mm 2/m): 0.44; 925 ° C density (kg/dm 3): 342; 925 ° C Poisson's coefficient: 431

 

This standard applies to deformed high-temperature alloys, cast high-temperature alloys (equiaxed crystal cast high-temperature alloys, directionally solidified columnar high-temperature alloys, and single crystal high-temperature alloys), high-temperature alloy wires for welding, powder metallurgy high-temperature alloys, dispersion strengthened high-temperature alloys, and intermetallic compound high-temperature materials.