원형관(흑관)
탄소강관
| 지름의 호칭 | 바깥 지름 | 호칭 두께 | ||||||||||||
| Sch 20 | Sch 30 | Sch40 | Sch 60 | Sch 80 | Sch160 | |||||||||
| A | B | 두께 | 단위중량 | 두께 | 단위중량 | 두께 | 단위중량 | 두께 | 단위중량 | 두께 | 단위중량 | 두께 | 단위중량 | |
| mm | mm | kg/m | mm | kg/m | mm | kg/m | mm | kg/m | mm | kg/m | mm | kg/m | ||
| 6 | 1/8 | 10.5 | 1.7 | 0.369 | 2.2 | 0.450 | 2.4 | 0.479 | ||||||
| 8 | 1/4 | 13.8 | 2.2 | 0.629 | 2.4 | 0.675 | 3.0 | 0.799 | ||||||
| 10 | 3/8 | 17.3 | 2.3 | 0.851 | 2.8 | 1.00 | 3.2 | 1.11 | ||||||
| 15 | 1/2 | 21.7 | 2.8 | 1.31 | 3.2 | 1.46 | 3.7 | 1.64 | 4.7 | 1.97 | ||||
| 20 | 3/4 | 27.2 | 2.9 | 1.74 | 3.4 | 2.00 | 3.9 | 2.24 | 5.5 | 2.94 | ||||
| 25 | 1 | 34.0 | 3.4 | 2.57 | 3.9 | 2.89 | 4.5 | 3.27 | 6.4 | 4.36 | ||||
| 32 | 1 1/4 | 42.7 | 3.6 | 3.47 | 4.5 | 4.24 | 4.9 | 4.57 | 6.4 | 5.73 | ||||
| 40 | 1 1/2 | 48.2 | 3.7 | 4.10 | 4.5 | 4.89 | 5.1 | 5.47 | 7.1 | 7.27 | ||||
| 50 | 2 | 60.5 | 3.2 | 4.52 | 3.9 | 5.44 | 4.9 | 6.72 | 5.5 | 7.46 | 8.7 | 11.1 | ||
| 65 | 2 1/2 | 76.3 | 4.5 | 7.97 | 5.2 | 9.12 | 6 | 10.4 | 7.0 | 12.0 | 9.5 | 15.6 | ||
| 80 | 3 | 89.1 | 4.5 | 9.39 | 5.5 | 11.3 | 6.6 | 13.4 | 7.6 | 15.3 | 11.1 | 21.4 | ||
| 90 | 3 1/2 | 101.6 | 4.5 | 10.80 | 5.7 | 13.5 | 7 | 16.3 | 8.1 | 18.7 | 12.7 | 27.8 | ||
| 100 | 4 | 114.3 | 4.9 | 13.20 | 6.0 | 16.0 | 7.1 | 18.8 | 8.6 | 22.4 | 13.5 | 33.6 | ||
| 125 | 5 | 139.8 | 5.1 | 16.90 | 6.6 | 21.7 | 8.1 | 26.3 | 9.5 | 30.5 | 15.9 | 48.6 | ||
| 150 | 6 | 165.2 | 5.5 | 21.70 | 7.1 | 27.7 | 9.3 | 35.8 | 11.0 | 41.8 | 18.2 | 66 .0 | ||
| 200 | 8 | 216.3 | 6.4 | 33.10 | 7.0 | 36.1 | 8.2 | 42.1 | 10.3 | 52.3 | 12.7 | 63.8 | 23.0 | 110 |
| 250 | 10 | 267.4 | 6.4 | 41.20 | 7.8 | 49.9 | 9.3 | 59.2 | 12.7 | 79.8 | 15.1 | 93.9 | 28.6 | 168 |
| 300 | 12 | 318.5 | 6.4 | 49.30 | 8.4 | 64.2 | 10.3 | 78.3 | 14.3 | 107 | 17.4 | 129 | 33.3 | 234 |
| 350 | 14 | 355.6 | 7.9 | 67.70 | 9.5 | 81.1 | 11.1 | 94.3 | 15.1 | 127 | 19.0 | 158 | 35.7 | 282 |
| 400 | 16 | 406.4 | 7.9 | 77.60 | 9.5 | 93.0 | 12.7 | 123 | 16.7 | 160 | 21.4 | 203 | 40.5 | 365 |
| 450 | 18 | 457.2 | 7.9 | 87.50 | 11.1 | 122 | 14.3 | 156 | 19 | 205 | 23.8 | 254 | 45.2 | 459 |
| 500 | 20 | 508.0 | 9.5 | 117.00 | 12.7 | 155 | 15.1 | 184 | 20.6 | 248 | 26.2 | 311 | 50.0 | 565 |
| 550 | 22 | 558.8 | 9.5 | 129.00 | 12.7 | 171 | 15.9 | 213 | 22.2 | 294 | 28.6 | 374 | 54.0 | 672 |
| 600 | 24 | 609.6 | 9.5 | 141.00 | 14.3 | 210 | 17.5 | 256 | 24.6 | 355 | 31.0 | 442 | 59.5 | 807 |
| 650 | 26 | 660.4 | 12.7 | 203.00 | - | - | 18.9 | >299 | 26.4 | 413 | 34.0 | 525 | 64.2 | 944 |
