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The K factor, also known as the neutral axis factor, plays a pivotal role in predicting the behaviour of a specific material during bending. It is used to calculate bend deduction and bend allowance and is unique to each material being bent. The K factor considers material thickness, tensile strength, elasticity, and other factors affecting the deformation of the metal.
To determine the K factor, sheet metal fabricators use empirical data or consult material-specific reference tables. It is important to note that the K factor can vary based on different bending techniques and tools employed.
