325 351 377 402 426 450 (465) 480 500 530 (550) 560 600 630 外径 (毫 米) 32 38 42 45 50 54 57 60 63.5 68 70 73 76 83 89 95
62.54 66.35 70.14 73.92 77.68 85.18 92.63 100.03 107.38 114.68 67.67 71.80 75.91 80.01 84.10 92.23 100.32 108.36 116.35 124.29 81.68 86.10 90.51 99.29 108.02 117.00 125.33 133.91 87.21 91.95 96.67 106.06 115.41 124.71 133.94 143.15 92.55 97.57 102.59 112.58 122.52 132.41 142.25 152.04 97.87 103.20 108.50 119.08 130.61 140.09 150.52 160.90 101.10 116.48 112.20 123.15 134.05 144.90 155.70 166.46 104.52 110.22 115.90 127.22 139.49 149.71 160.88 172.00 108.96 114.91 120.83 132.65 145.41 156.12 167.79 179.40 115.62 121.94 128.83 140.78 154.29 165.74 178.14 190.50 120.07 126.62 133.10 146.21 159.20 172.15 185.05 197.90 122.28 128.97 135.63 148.92 163.16 175.36 188.50 201.60 131.17 138.34 145.50 159.78 175.00 188.18 202.31 216.39 137.81 145.36 152.89 167.91 183.88 197.80 212.67 227.49 壁 厚(毫米) 16 17 18 19 20 22 (24) 25 (26) 28 理 论 重 量 (公斤/米) 20.52 21.31 22.49 23.48 24.41 25.30 23.68 24.74 25.75 26.71 26.44 27.67 28.85 29.99 28.80 30.19 31.52 32.80 34.03 36.35 38.47 31.17 32.70 34.18 35.61 36.99 39.61 42.02 -