| Nominal Size | Outer Diameter | Tube Length | 10S | 20S | S40 | ||||
|---|---|---|---|---|---|---|---|---|---|
| B Size | A Size | OD | E | t | ID | t | ID | t | ID |
| 1/2B | 15A | 21.7 | 25.4 | 2.1 | 17.5 | 2.5 | 16.7 | 2.8 | 16.1 |
| 3/4B | 20A | 27.2 | 25.4 | 2.1 | 23.0 | 2.5 | 22.2 | 2.9 | 21.4 |
| 1B | 25A | 34.0 | 38.1 | 2.8 | 28.4 | 3.0 | 28.0 | 3.4 | 27.2 |
| 11/4B | 32A | 42.7 | 38.1 | 2.8 | 37.1 | 3.0 | 36.7 | 3.6 | 35.5 |
| 11/2B | 40A | 48.6 | 38.1 | 2.8 | 43.0 | 3.0 | 42.6 | 3.7 | 41.2 |
| 2B | 50A | 60.5 | 38.1 | 2.8 | 54.9 | 3.5 | 53.5 | 3.9 | 52.7 |
| 21/2B | 65A | 76.3 | 38.1 | 3.0 | 70.3 | 3.5 | 69.3 | 5.2 | 65.9 |
| 3B | 80A | 89.1 | 50.8 | 3.0 | 83.1 | 4.0 | 81.1 | 5.5 | 78.1 |
| 31/2B | 90A | 101.6 | 63.5 | 3.0 | 95.6 | 4.0 | 93.6 | 5.7 | 90.2 |
| 4B | 100A | 114.3 | 63.5 | 3.0 | 108.3 | 4.0 | 106.3 | 6.0 | 102.3 |
| 5B | 125A | 139.8 | 76.2 | 3.4 | 133.0 | 5.0 | 129.8 | 6.6 | 126.6 |
| 6B | 150A | 165.2 | 88.9 | 3.4 | 158.4 | 5.0 | 155.2 | 7.1 | 151.0 |
| 8B | 200A | 216.3 | 101.6 | 4.0 | 208.3 | 6.5 | 203.3 | 8.2 | 199.9 |
| 10B | 250A | 267.4 | 127.0 | 4.0 | 259.4 | 6.5 | 254.4 | 9.3 | 248.8 |
| 12B | 300A | 318.5 | 152.4 | 4.5 | 309.5 | 6.5 | 305.5 | 10.3 | 297.9 |
| 14B | 350A | 355.6 | 165.1 | 5.0 | 345.6 | 8.0 | 339.8 | 11.1 | 333.4 |
| 16B | 400A | 406.4 | 177.8 | 5.0 | 396.4 | 8.0 | 390.6 | 12.7 | 381.0 |
| 18B | 450A | 457.2 | 203.2 | 5.0 | 447.2 | 8.0 | 441.4 | 14.3 | 428.6 |
| 20B | 500A | 508.0 | 228.6 | 5.5 | 497.0 | 9.5 | 492.2 | 15.1 | 477.8 |
| 22B | 550A | 558.8 | 254.0 | 5.5 | 547.8 | 9.5 | 539.8 | 15.9 | 527.0 |
| 24B | 600A | 609.6 | 266.7 | 6.5 | 596.6 | 9.5 | 590.6 | 17.5 | 574.6 |
| 26B | 650A | 660.4 | 266.7 | 8.0 | 644.4 | 12.7 | 635.0 | 18.9 | 622.6 |