1. Product description
As the ASTM A266 titanium steel cladding tube sheet is made by explosion+rolling process, during which, after multiple annealing treatments, the carbon, manganese, and other elements in the carbon steel layer diffuse to the titanium layer under the high-temperature environment, and the pure titanium composite layer has actually gradually turned into a low alloy titanium layer, so the structure of the base metal is different from that of pure titanium β Matrix+white α grain. However, the weld and heat-affected zone are composed of pure titanium TA2, whose structure is equiaxed α+ grain β At the same time, due to the rapid cooling of the weld in the air β The phase is distributed in sheet or strip shape.
2. Product Features
(1) The ASTM A266 titanium steel cladding tube sheet with a damaged titanium layer seriously affects the subsequent pipe expansion and welding work, reducing the quality of condenser products, and needs to be used after repairing the titanium layer.
(2) The proposed welding process parameters meet the needs of titanium layer repair. The microstructure of the welded joints has little difference. The hardness value and corrosion resistance of the joints meet the service performance of the titanium steel composite tube sheet.
3. Application
Since the 1980s, The theory and experimental technology of explosive welding have been greatly developed ‚ Especially in, there are many innovations in application technology ‚ This technology can be used in chemical, petroleum, pharmaceutical, shipbuilding, military ‚ Even nuclear industry, aviation, aerospace, and other fields are widely used.
4. FAQ
Explosive welding is of high quality, large area, and various forms ‚ And welding the same, especially different metal materials simply, quickly, and effectively ‚ It provides an irreplaceable new process and method. Varieties And various specifications ‚ Explosive composite materials with different shapes and sizes ‚ Such as bimetallic and polymetallic plates, tubes, tube sheets, tube bars, strips, pipes, wires, profiles, and profiled parts ‚ So as to provide A complete set of new composite structural material systems with special physical and chemical properties and wide applications. The new composite structural materials can give full play to and comprehensively utilize some special physical and chemical properties.
Saving rare and precious metals, reducing equipment costs, strengthening production processes, extending equipment life, improving labor productivity, and meeting the growing needs of production and science and technology have opened up broad prospects.
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