Which method is often used to join sheet metal pieces together?

In the realm of sheet metal work, joining techniques are fundamental to the construction and assembly of various metal structures and components. All the methods listed—welding, screwing, and adhesive bonding—are commonly utilized for joining sheet metal.

Welding is a prevalent technique that involves melting the base metal and allowing it to cool to form a strong bond. It is favored for creating permanent, robust joints and is particularly effective for materials like steel and aluminum.

Screwing, or using mechanical fasteners, is another reliable method. It allows for the easy assembly and disassembly of metal components, which can be advantageous in certain applications where maintenance or adjustments may be necessary.

Adhesive bonding involves the use of specialized adhesives to create bonds between metal surfaces. This method can distribute stress across the bonded area and is valuable when dealing with different types of materials or when welding may not be practical.

The versatility of these methods—each with its benefits and applications—highlights the importance of having multiple options for joining sheet metal, making the answer “all of the above” an inclusive choice that reflects common industry practices.