Appendix C to Part 178 — Nominal and Minimum Thicknesses of Steel Drums and Jerricans For each listed packaging capacity, the following table compares the ISO 3574 (IBR, see §171.7 of this subchapter) nominal thickness with the corresponding ISO 3574 minimum thickness.
| Maximum capacity (L) | ISO nominal (mm) | Corresponding ISO minimum (mm) |
|---|
| 20 | 0.7 | 0.63 |
| 30 | 0.8 | 0.73 |
| 40 | 0.8 | 0.73 |
| 60 | 1.0 | 0.92 |
| 120 | 1.0 | 0.92 |
| 220 | 1.0 | 0.92 |
| 450 | 1.9 | 1.77 |
[Amdt. 178-106, 59 FR 67522, Dec. 29, 1994, as amended at 68 FR 75758, Dec. 31, 2003]