The formula says 11.6 mm, but we order a 16 mm plate. This part shows where the other 4.4 mm goes.
Key numbers
| Hoop, UG-27(c)(1) | 11.64 mm |
| Longitudinal, UG-27(c)(2) | 5.76 mm |
| At the shell bottom (static head) | 11.78 mm |
| + corrosion allowance | 14.78 mm |
| Ordered plate | 16 mm |
| MAWP, corroded, at bottom | 16.74 barg |
| Lamé inner hoop stress / utilisation | 105.0 MPa / 90 % |
Generic example vessel. Confirm allowable stresses and clause letters against your own code edition.
