BendCalc/docs/Tonnage.md

// Inputs for Bend Angle Tonnage required // Material Type:L A // Tensile Strength (if known) in Mpa // Material Thickness // K-Factor // V die opening (print suggested v opening of 8x material thickness) // Radius // Minimum Flange // {[(575 × Material thickness squared) / Die width] / 12} × Material factor

// Outputs for Bend Angle Tonnage // P in kN/mt and convert to Tons (lb^2/i)