管号尺寸一览表
| 标准管号 | 内径(英寸) | 内径(英寸) | 内径(毫米) | 外径(英寸) | 外径(英寸) | 外径(毫米) | 壁厚(英寸) | 壁厚(英寸) | 壁厚(毫米) |
| 13号 | 1/32 | 0.031 | 0.80 | 5/32 | 0.156 | 4.00 | 1/16 | 0.063 | 1.60 |
| 14号 | 1/16 | 0.063 | 1.60 | 3/16 | 0.188 | 4.80 | 1/16 | 0.063 | 1.60 |
| 16 | 1/8 | 0.125 | 3.20 | 1/4 | 0.250 | 6.40 | 1/16 | 0.063 | 1.60 |
| 25 | 3/16 | 0.188 | 4.80 | 5/16 | 0.313 | 8.00 | 1/16 | 0.063 | 1.60 |
| 15 | 3/16 | 0.188 | 4.80 | 3/8 | 0.375 | 9.60 | 3/32 | 0.094 | 2.40 |
| 17 | 1/4 | 0.250 | 6.40 | 3/8 | 0.375 | 9.60 | 1/16 | 0.063 | 1.60 |
| 24 | 1/4 | 0.250 | 6.40 | 7/16 | 0.438 | 11.10 | 3/32 | 0.094 | 2.40 |
| 26 | 1/4 | 0.250 | 6.40 | 1/2 | 0.500 | 12.70 | 1/8 | 0.125 | 3.20 |
| 18 | 5/16 | 0.313 | 8.00 | 7/16 | 0.438 | 11.10 | 1/16 | 0.063 | 1.60 |
| 35 | 5/16 | 0.313 | 8.00 | 1/2 | 0.500 | 12.70 | 3/32 | 0.094 | 2.40 |
| 36 | 3/8 | 0.375 | 9.60 | 9/16 | 0.563 | 14.40 | 3/32 | 0.094 | 2.40 |
| 73 | 3/8 | 0.375 | 9.60 | 5/8 | 0.625 | 15.90 | 1/8 | 0.125 | 3.20 |
| 70 | 3/8 | 0.375 | 9.60 | 3/4 | 0.750 | 19.10 | 3/16 | 0.188 | 4.80 |
| 86 | 3/8 | 0.375 | 9.60 | 7/8 | 0.875 | 22.20 | 1/4 | 0.250 | 6.40 |
| 82 | 1/2 | 0.500 | 12.70 | 3/4 | 0.750 | 19.10 | 1/8 | 0.125 | 3.20 |
| 88 | 1/2 | 0.500 | 12.70 | 7/8 | 0.875 | 22.20 | 3/16 | 0.188 | 4.80 |
| 87 | 1/2 | 0.500 | 12.70 | 1 | 1.000 | 25.40 | 1/4 | 0.250 | 6.40 |
| 89 | 5/8 | 0.625 | 15.90 | 1 | 1.000 | 25.40 | 3/16 | 0.188 | 4.80 |
| 91 | 3/4 | 0.750 | 19.10 | 1-1/4 | 1.250 | 31.80 | 1/4 | 0.250 | 6.40 |
| 90 | 3/4 | 0.750 | 19.10 | 1-1/4 | 1.250 | 31.80 | 1/4 | 0.250 | 6.40 |
| 92 | 1 | 1.000 | 25.40 | 1-3/8 | 1.375 | 35.00 | 3/16 | 0.188 | 4.80 |
