Titanium tubes can be welded using a variety of different methods, including but not limited to:
1. Gas Tungsten Arc Welding (GTAW): Suitable for butt, fillet, and lap joints of titanium and titanium alloy plates, tubes, and special-shaped parts with a thickness of 0.5 to 10 mm. This method offers high weld quality and minimal distortion, but requires argon shielding to prevent weld oxidation and nitration contamination.
2. Electron Beam Welding (EBW): Suitable for butt, fillet, and lap joints of titanium and titanium alloy plates, tubes, and special-shaped parts with a thickness of 0.1 to 150 mm. It can be performed in a vacuum, eliminating gas contamination, and offers a large weld depth-to-width ratio, high distortion, and high efficiency.
3. Laser Welding (LW): Suitable for butt, fillet, and lap joints of titanium and titanium alloy plates, tubes, and special-shaped parts with a thickness of 0.1 to 10 mm. It can be performed in open air, requiring only argon shielding. It offers a large weld depth-to-width ratio, minimal deformation, and is fast, amenable to automated or robotic operation. 3 Inch Titanium Tube / Grade 1 Pure Titanium Pipe / Gr7 Ti-0.2Pd Titanium Tube
4. Plasma Arc Welding (PAW): Suitable for butt, fillet, and lap welding of titanium and titanium alloy plates, tubes, and special-shaped parts with a thickness of 0.5-15 mm. It can be performed in open air, requiring only argon shielding. It offers a large weld depth-to-width ratio, minimal deformation, and high efficiency.
5. Brazing (BW): Suitable for butt, fillet, and lap welding of titanium and titanium alloy plates, tubes, and special-shaped parts with a thickness of 0.1-3 mm.
6. Metal Inert Gas Welding (MIG): Suitable for welding medium-thick titanium materials, using DC reverse polarity.
7. Resistance Welding: Due to titanium's high resistivity and low thermal conductivity, resistance welding is particularly suitable.
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