What thickness is 20 gauge 6061-T6 aluminum on this page?
This page uses 0.032 in / 0.813 mm as the nominal 20 gauge thickness for aluminum sheet.
Sheet metal
Prefilled bend allowance, deduction, and radius reference values for 20 gauge 6061-T6 aluminum at 0.032 in / 0.813 mm nominal thickness.
Static reference
| Gauge | Thickness | Inside radius | Angle | Bend allowance | Bend deduction |
|---|---|---|---|---|---|
| 20 ga | 0.032 in / 0.813 mm | 0.096 in / 2.438 mm | 45 deg | 0.0855 in | 0.0206 in |
| 16 ga | 0.0508 in / 1.29 mm | 0.0762 in / 1.935 mm | 90 deg | 0.1516 in | 0.1024 in |
| 12 ga | 0.0808 in / 2.052 mm | 0.2424 in / 6.157 mm | 120 deg | 0.5754 in | 0.5442 in |
Interactive calculator
FAQ
This page uses 0.032 in / 0.813 mm as the nominal 20 gauge thickness for aluminum sheet.
Use them as starting estimates only. Test bends and supplier data are needed for final bend deduction, springback, tooling, and safe tonnage.