Tonnage Chart
Use the link below to view a larger version of the chart.
Air Bending Chart
The chart gives you the minimum flange length for each vee opening, and the approx. bed radius when air bending over a particular vee opening.
| Vee Opening | Minimum Flange | Approx. Bend Radius |
| .156 | .125 | .024 |
| .25 | .188 | .039 |
| .375 | .281 | .058 |
| .500 | .344 | .078 |
| .625 | .437 | .097 |
| .75 | .562 | .117 |
| .875 | .656 | .136 |
| 1.00 | .687 | .156 |
| 1.125 | .812 | .175 |
| 1.25 | .875 | .195 |
| 1.500 | 1.125 | .234 |
| 2.00 | 1.375 | .312 |
| 2.500 | 1.750 | .390 |
| 3.00 | 2.188 | .468 |
| 4.00 | 2.687 | .625 |
| 5.00 | 3.500 | .780 |
| 6.00 | 4.500 | .936 |
| 8.00 | 5.500 | 1.25 |
| 10.00 | 6.875 | 1.56 |