井上鋼材株式会社鋼管
| ▸丸パイプ（STK） | |||
| 外径 | 外径 インチ |
肉厚 | 長さ |
| 5.5m | |||
| 21.7 | 1/2 | 1.9 | ● |
| 27.2 | 3/4 | 1.9 | ● |
| 27.2 | 3/4 | 2.3 | ● |
| 34.0 | 1 | 2.3 | ● |
| 42.7 | 1 1/4 | 2.3 | ● |
| 48.6 | 1 1/2 | 2.3 | ● |
| 60.5 | 2 | 2.3 | ● |
| 76.3 | 2 1/2 | 2.8 | ● |
| ▸丸パイプ（スモール） | ||||
| 外径 | 長さ 5.5m | |||
| 肉厚 | ||||
| 1.2 | 1.6 | 2.0 | 2.3 | |
| 15.9 | ● | ― | ||
| 19.1 | ● | ― | ||
| 22.2 | ― | |||
| 25.4 | ● | |||
| 28.6 | ― | |||
| 31.8 | ● | |||
| 34.0 | ||||
| ▸丸パイプ（SGP） | ||||
| JIS呼称 記号A |
インチ名 記号B |
外径 | 肉厚 | 長さ |
| 5.5m | ||||
| 6A | 1/8B | 10.5 | 2.0 | ● |
| 8A | 1/4B | 13.8 | 2.3 | ● |
| 10A | 3/8B | 17.3 | 2.3 | ● |
| 15A | 1/2B | 21.7 | 2.8 | ● |
| 20A | 3/4B | 27.2 | 2.8 | ● |
| 25A | 1B | 34.0 | 3.2 | ● |
| 32A | 1 1/4B | 42.7 | 3.5 | ● |
| 40A | 1 1/2B | 48.6 | 3.5 | ● |
| 50A | 2B | 60.5 | 3.8 | ● |
| 65A | 2 1/2B | 76.3 | 4.2 | ● |
| 80A | 3B | 89.1 | 4.2 | ● |
| 90A | 3 1/2B | 101.6 | 4.2 | ● |
| 100A | 4B | 114.3 | 4.5 | ● |
| 125A | 5B | 139.8 | 4.5 | ● |
| 150A | 6B | 165.2 | 5.0 | ● |
| 175A | 7B | 190.7 | 5.3 | ● |
| 200A | 8B | 216.3 | 5.8 | ● |
| 225A | 9B | 241.8 | 6.2 | |
| 250A | 10B | 267.4 | 6.6 | |
| 300A | 12B | 318.5 | 6.9 | |
| 350A | 14B | 355.6 | 7.9 | |
| 400A | 16B | 406.4 | 7.9 | |