API套管尺寸规范
套管 外径 41/2″ 114.3 5″ 127 51/2″ 139.7 65/8″ 168.3 7″ 177.8 75/8″ 193.7 85/8″ 219.1 95 /8″ 244.5 103/4″ 273.1 113/4″ 298.5 133 /8″ 339.7 16″ 406.4 185 /8″ 473 20″ 508 壁厚 (mm) 5.21 5.59 6.20 7.32 5.87 7.62 6.71 7.92 7.09 8.46 8.38 9.52 11.05 11.13 5.69 6.43 6.98 8.94 6.91 8.33 7.72 8.94 8.89 9.52 9.65 11.13 12.70 6.35 7.52 7.72 10.59 8.05 9.52 8.94 10.03 10.16 11.05 10.92 12.57 16.13 7.37 9.19 9.17 12.06 9.19 10.92 10.16 11.05 11.43 12.42 12.19 8.56 10.54 10.36 12.70 11.43 11.99 12.57 13.06 11.51 12.70 13.84 13.84 12.65 14.15 15.11 13.72 接箍 外径 mm 127 141.3 153.7 187.7 194.5 215.9 244.5 269.9 298.5 323.9 365.1 421.8 508 533.4 外容积 l/m 10.3 12.7 15.3 22.2 24.8 29.5 37.7 47 58.6 70 90.6 129.7 175.8 202.7