What is the term for the curvature of a bent sheet metal?

The term for the curvature of a bent sheet metal is known as bend radius. This refers to the radius of the arc created by bending the metal, which is a crucial factor in determining the quality of the bend as well as the structural integrity of the material. The bend radius is significant because it affects how the material will behave and if it will crack or deform improperly during the bending process.

Understanding the bend radius is essential for sheet metal fabrication, as it helps in calculating the flat pattern dimensions needed prior to bending. A proper bend radius will ensure that the bend does not introduce undue stress on the material, thus enhancing durability and improving the overall appearance of the finished product.