SOF/SOB | 1/2" 3/4" 1" 11/4" 11/2" | 22.0 27.2 34.0 42.7 49.0 | 88.9 98.4 107.9 117.5 127.0 | 95.2 117.5 123.8 133.3 155.6 | 60.3 69.8 79.4 88.9 98.4 | 66.7 82.5 88.9 98.4 114.3 | 34.9 42.9 50.8 63.5 73.0 | =D+1 D:为钢管外径 | 15.9 15.9 17.5 20.6 22.2 | 22.2 25.4 27.0 27.0 30.2 | 11.1 12.7 14.3 15.9 17.5 | 14.3 15.9 17.5 19.0 20.6 | 16.0 16.0 16.0 16.0 16.0 | 16.0 19.0 19.0 19.0 22.0 | 4 4 4 4 4 | 4 4 4 4 4 |
2" 21/2" 3" 31/2" 4" | 60.5 76.3 90.0 102.0 114.3 | 152.4 177.8 190.5 215.9 228.6 | 165.1 190.5 209.5 228.6 254.0 | 120.6 139.7 152.4 177.8 190.5 | 127.0 149.2 168.3 184.1 200.0 | 92.1 104.8 127.0 139.7 157.2 | =D+1.6 | 25.4 28.6 30.2 31.7 33.3 | 33.3 38.1 42.9 44.4 47.6 | 19.1 22.2 23.8 23.8 23.8 | 22.2 25.4 28.6 30.2 31.7 | 19.0 19.0 19.0 19.0 19.0 | 19.0 22.0 22.0 22.0 22.0 | 4 4 4 8 8 | 8 8 8 8 8 |
5" 6" 8" 10" 12" | 141.3 168.3 219.1 273.0 325.0 | 254.0 279.4 342.9 406.4 482.6 | 279.4 317.5 381.0 444.5 520.7 | 215.9 241.3 298.4 361.9 431.8 | 234.9 269.9 330.2 323.8 381.0 | 185.7 215.9 269.9 323.8 381.0 | =D+2.2 | 36.5 39.7 44.4 49.2 55.6 | 50.8 52.4 61.9 66.7 73.0 | 23.8 25.4 28.6 30.2 31.7 | 34.9 36.5 41.3 47.6 50.8 | 22.0 22.0 22.0 26.0 26.0 | 22.0 22.0 26.0 29.0 32.0 | 8 8 8 12 12 | 8 12 12 16 16 |