There are a range of metals that can be used in sheet metal bending. Six metals are discussed below:

1. Steel

Steel is a very versatile metal that consists of iron and carbon. Steel is economical and has great strength and durability. There are a range of different steels that can be bent including mild steel and stainless steel. Mild steel is easily bent and used widely, including in a range of automotive applications.

2. Aluminum

Aluminum is a lightweight and cost-effective metal used in the aerospace, electronics, and automotive industries. Aluminum is easy to fabricate and benefits from a high strength-to-weight ratio and high corrosion resistance. 

3. Copper

Copper is a soft metal that allows it to be easily bent and formed. It is also highly conductive, making it perfect for electrical applications. Copper is also naturally antimicrobial and recyclable.

4. Brass

Brass is an alloy consisting of zinc and copper. Brass is used a lot in sheet metal bending because of its aesthetic appeal and ease of fabrication. Because of its aesthetic appeal, it is used in decorative applications including: home hardware, architecture, and instruments. Brass benefits from high machinability, low friction, and corrosion resistance. 

5. Stainless Steel

Stainless steel, like regular mild steel, is made of iron and carbon, but with the addition of chromium and nickel. Due to the extra chromium and nickel, stainless steel is also harder and work hardens as it bends. This means that stainless steel usually requires a press brake rather than bending by hand. Stainless steel, which uses chromium to protect against degradation, is used in medical and food processing equipment. 

6. Galvanized Steel

Galvanized steel, like stainless steel, is highly corrosion-resistant. This is because galvanized steel has a zinc coating. In addition to having an improved service life, galvanized steel components are lower cost than other forms of corrosion-protected steel. 

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