Precision Machining Resources
Bend Deductions Chart
Colled Rolled Steel - CRS
| Thickness | Radius | Bend Deduction | Notes | Air Bend | K-Factor |
| .018 | .030 | .034 | .5261 | ||
| .020 | .030 | .039 | .4417 | ||
| .024 | .030 | .036 | .047 | .6599 | |
| .030 | .015 | .047 | .4125 | ||
| .030 | .030 | .047 | .054 | .5491 | |
| .030 | .060 | .067 | .3979 | ||
| .030 | .187 | .122 | .3875 | ||
| .036 | .030 | .054 | .546 | ||
| .036 | .090 | .085 | .4532 | ||
| .040 | .030 | .065 | .4437 | ||
| .040 | .060 | .075 | .4035 | ||
| .048 | .030 | .072 | .078 | .4891 | |
| .048 | .060 | .088 | .4477 | ||
| .048 | .090 | .101 | .4460 | ||
| .048 | .202 | .151 | .4204 | ||
| .060 | .030 | .088 | .103 | .4762 | |
| .060 | .045 | .095 | .4702 | ||
| .060 | .060 | .106 | .4218 | ||
| .060 | .375 | .232 | |||
| .060 | 1.000 | .510 | .4160 | ||
| .074 | .030 | .112 | .125 | .4318 | |
| .090 | .030 | .131 | .147 | .4377 | |
| .090 | .125 | .172 | .4361 | ||
| .104 | .030 | .151 | .4277 | ||
| .120 | .030 | .180 | .205 | .3866 | |
| .134 | .030 | .201 | .3795 | ||
| .175 | .030 | .270 | |||
| .178 | .015 | 3/4 DIE | .280 | ||
| .187 | .030 | .280 | 1.50 DIE | .318 | |
| .187 | .030 | - | 1.25 DIE | .300 | |
| .187 | .060 | .305 | .3226 |
GALVANNEAL/GALVANIZED STEEL
| Thickness | Radius | Bend Deduction. | Comments | Air Bend | K-Factor |
| .030 | .030 | .051 | |||
| .036 | .030 | .058 | |||
| .048 | .030 | .076 | |||
| .048 | .060 | .092 | |||
| .060 | .030 | .092 | |||
| .060 | .060 | .110 | |||
| .074 | .030 | .116 | |||
| .090 | .030 | .135 | |||
| .104 | .030 | .155 | |||
| .120 | .030 | .185 | |||
| .134 | .030 | .205 |
ALUMINUM
| Thickness | Radius | Bend D. | Comments | Air Bend | K-Factor |
