What thickness is 20 gauge galvanized steel on this page?
This page uses 0.0359 in / 0.912 mm as the nominal 20 gauge thickness for steel sheet.
Sheet metal
20 Gauge galvanized steel Bend Calculator
Prefilled bend allowance, deduction, and radius reference values for 20 gauge galvanized steel at 0.0359 in / 0.912 mm nominal thickness.
galvanized steel20 ga0.0359 in0.912 mm
Static reference
Common thickness, radius, and angle combinations
| Gauge | Thickness | Inside radius | Angle | Bend allowance | Bend deduction |
|---|---|---|---|---|---|
| 20 ga | 0.0359 in / 0.912 mm | 0.0449 in / 1.14 mm | 45 deg | 0.0471 in | 0.0198 in |
| 16 ga | 0.0598 in / 1.519 mm | 0.0897 in / 2.278 mm | 90 deg | 0.1804 in | 0.1186 in |
| 12 ga | 0.1046 in / 2.657 mm | 0.1308 in / 3.321 mm | 120 deg | 0.3659 in | 0.4494 in |
Interactive calculator
20 Gauge galvanized steel Bend Calculator
Bend allowance0.0942 in
Neutral axis radius0.060 in
FAQ
Specific checks for this calculator
Can these galvanized steel bend values be used directly for production?
Use them as starting estimates only. Test bends and supplier data are needed for final bend deduction, springback, tooling, and safe tonnage.