What type of material is commonly welded using a torch brazing process?

The torch brazing process is particularly suited for joining dissimilar metals that cannot be welded together using traditional welding methods. This is due to the lower temperatures employed in brazing, which allows different materials to bond without causing detrimental effects such as warping or melting.

Brazing utilizes a filler metal that has a melting point above 450°C but below the melting point of the workpieces, enabling the process to effectively bind metals that might otherwise react negatively to heat or have differing thermal expansion properties. Therefore, when working with items made of different metals, such as aluminum and steel, or non-ferrous materials, brazing can create strong, efficient joints that maintain the integrity of the components.

While semi-solid metals, carbon steel, and plastics may be suitable for other types of welding or joining processes, they do not exemplify the unique advantages of torch brazing, particularly its use with dissimilar materials.