GH3128 superalloy introduction.
GH3128 superalloy is a nickel-based deformed superalloy with tungsten, molybdenum, niobium and nitrogen elements for solution strengthening, the alloy has excellent comprehensive properties in the range of -253 to 980, and can show good corrosion resistance and oxidation resistance in high-temperature environments.
The main characteristics of GH3128 superalloy include excellent high-temperature strength, good oxidation and corrosion resistance, excellent fatigue resistance, and good forming and welding properties. In a high-temperature environment, the surface of the alloy can form a stable oxide film, which effectively protects the internal material from the external environment. At the same time, GH3128 superalloy has excellent fatigue resistance at various temperatures and media, and can withstand the long-term effects of complex stresses.
GH3128 superalloy has a wide range of applications, mainly including aerospace, energy, chemical, petroleum and nuclear industries. In the aerospace field, GH3128 superalloy is widely used in the manufacture of key components of jet engines and gas turbines, such as combustion chambers, guide vanes, turbine blades and turbine disks. In the energy sector, the alloy is used in the manufacture of high-temperature water vapor pipes, heat exchangers, reactor pressure vessels, and nuclear fuel** devices, among others. In the chemical and petroleum fields, GH3128 superalloy can be used in the manufacture of high-temperature reactors, hot oil pumps and petrochemical plants.
GH3128 Specifications:
Round bars, bars, strips, tubes, seats, balls, flanges and forgings are negotiated**.
Chemical Composition:
Physical Properties:
The minimum value of the mechanical properties of GH3128 alloy at room temperature:
Mechanical properties (tensile properties).
Physical data
Antioxidant properties
The production process of GH3128 superalloy mainly includes smelting, casting, heat treatment and processing. During the smelting process, vacuum induction furnace melting or electric arc furnace melting is used to ensure accurate control of alloy composition. During the casting process, pouring is carried out in a vacuum or protective atmosphere furnace to prevent the influence of impurities and gases. In the process of heat treatment, according to different application requirements, the alloy is treated with solid solution, aging treatment or precipitation hardening. In the machining process, cutting, welding and surface treatment technologies are used to meet the processing requirements of different components.
The development trend of GH3128 superalloy is mainly focused on the following aspects: first, to improve the high-temperature strength and fatigue resistance of the alloy to meet the application needs of higher temperature and more complex environments; the second is to develop new coating materials with better oxidation resistance and corrosion resistance to improve the protection effect and service life of materials; The third is to further optimize the production process, reduce production costs, and improve production efficiency, so as to promote the wide application of GH3128 superalloy.
In short, GH3128 superalloy, as an excellent high-temperature material, has a wide range of application prospects and development potential. In the future, with the continuous progress of science and technology and the continuous improvement of application requirements, the performance and application fields of GH3128 superalloy will be further expanded and improved.