2.4856 superalloy is a common high-temperature resistant alloy material, with excellent corrosion resistance and high-temperature performance, suitable for a variety of engineering applications in harsh environments. This article will look at 2The chemical composition, hardness, density, heat treatment method, mechanical properties, mechanical properties, application fields and welding process of 4856 superalloy are introduced.
1. Chemical composition.
2.The chemical composition of 4856 superalloy mainly includes nickel (Ni), chromium (Cr), molybdenum (Mo) and iron (Fe). The specific values are as follows:
Nickel (Ni): 58% min
Chromium (CR): 20%-23%.
Molybdenum (Mo): 8%-10%.
Iron (Fe): 5%.
2. Hardness and density.
2.The hardness of 4856 superalloy can usually reach 250HB (hardness Brinell) after heat treatment, and the density is about 84g cm, which gives it excellent strength and toughness, suitable for use under high temperature and high pressure conditions.
3. Heat treatment.
2.4856 superalloy is usually solution annealing and aging to improve its strength and corrosion resistance. Solution treatment is generally carried out in the range of 980°C to 1050°C, and then cooled to room temperatureAging treatment is generally carried out in the range of 870°C to 980°C.
4. Mechanical properties and mechanical properties.
2.4856 superalloy has excellent mechanical and mechanical properties, including tensile strength, yield strength, elongation, and creep resistance, and performs well in high-temperature environments, so it is widely used in aerospace, chemical industry, energy and other fields.
Fifth, the field of application.
Due to its excellent corrosion resistance and high-temperature properties, 24856 superalloy is widely used in aero engines, chemical equipment, marine engineering, nuclear reactors, oil exploitation and other fields, and plays an important role under high temperature, high pressure and strong corrosive conditions.
6. Welding process.
For 2The welding of 4856 superalloy usually adopts TIG (Tungsten Inert Gas Welding) or MIG (Metal Inert Gas Welding) welding process to ensure the quality and strength of the weld. Before welding, it is necessary to pay attention to the removal of surface oxides and impurities, and select the appropriate welding materials and welding parameters to ensure the welding quality.
In summary, 24856 superalloy has excellent chemical composition, hardness, density, heat treatment, mechanical properties, mechanical properties, a wide range of applications and good welding process, is an important superalloy material, providing reliable material support for various industries.
Form: plates, rods, tubes, steel strips, wires, forgings, forging pipes, forging plates, forging rods, round bars, plates, thin plates, seamless pipes, welded pipes, round bars, wires, steel plates, round rounds, strips
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