| Nominal Standard Size, in | Tube Type | Temper | Minimum Bend, Radius*, in |
|---|---|---|---|
| 1⁄4 | K,L | Annealed | 3⁄4 |
| 3⁄8 | K,L | Annealed | 11⁄2 |
| K,L,M | Drawn | 13⁄4 | |
| 1⁄2 | K,L | Annealed | 21⁄4 |
| K,L,M | Drawn | 21⁄2 | |
| 3⁄4 | K,L | Annealed | 3 |
| K,L | Drawn | 3 | |
| 1 | K,L | Annealed | 4 |
| 11⁄4 | K,L | Annealed | 9 |
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