What is the force needed to bend 14 gauge 2.5 inch square steel tube?

The force needed to bend a 14 gauge 2.5-inch square steel tube depends on several factors, including the material properties of the steel, the radius of the bend, and the specific bending method used. Generally, a bending calculation can be estimated using formulas from mechanics, such as the flexural formula, but precise force requirements would typically be determined through experimentation or detailed engineering analysis. For a rough estimate, you might expect the force to be in the range of several thousand pounds, depending on the specifics of the bending setup.