What type of welding is commonly used in tube fabrication?

Arc welding is commonly used in tube fabrication due to its versatility and efficiency when working with various metals, making it a preferred choice in many industrial applications. This method utilizes an electric arc to generate heat, enabling the fusion of metal parts together. Its adaptability allows welders to work on a wide range of tube sizes and thicknesses, which is particularly beneficial in fabrication processes where precision and strength are key.

Additionally, arc welding techniques are conducive to automated processes, which can enhance production rates and maintain consistent quality standards across multiple welds. The accessibility and effectiveness of arc welding in creating strong joints contribute to its dominance in the tube fabrication industry.

When considering other methods like laser welding, gas welding, and friction welding, while they have specific applications and advantages, they do not match the widespread applicability and efficiency of arc welding in this particular context. Laser welding, for example, is excellent for thin materials but may not be as suitable for thicker tubes. Gas welding, while useful for certain repairs and smaller jobs, typically falls short in terms of the strength and speed that arc welding provides. Friction welding is specialized and mainly used for certain types of joints, making it less common in general tube fabrication compared to arc welding.