不锈钢管道壁厚对照表

钢管尺寸和质量1 表3-1奥氏体不锈钢无缝钢管 表3-2碳素钢、合金钢无缝钢管 公称直径DN 外径mm 壁厚及理论质量 壁厚及理论质量 壁厚及理论质量 SCH5s SCH10s SCH20s SCH40s SCH80s SCH20 SCH30 SCH40 SCH60 SCH80 SCH100 SCH120 SCH140 SCH160 XXS mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m 10 17 1.2 0.47 1.6 0.62 2.0 0.75 2.5 0.91 3.2 1.11 2.5 0.89 3.5 1.17 15 22 1.6 0.82 2.0 1.00 2.5 1.22 3.0 1.43 4.0 1.80 3.0 1.41 4.0 1.78 5.0 2.10 7.5 2.68 20 27 1.6 1.02 2.0 1.25 2.5 1.53 3.0 1.80 4.0 2.30 3.0 1.78 4.0 2.27 5.5 2.92 8.0 3.75 25 34 1.6 1.30 2.8 2.19 3.0 2.33 3.5 2.67 4.5 3.32 3.5 2.63 4.5 3.27 6.5 4.41 9.0 5.55 32 42 1.6 1.62 2.8 2.75 3.0 2.93 3.5 3.37 5.0 4.63 3.5 3.33 5.0 4.56 6.5 5.69 10.0 7.89 40 48 1.6 1.86 2.8 3.17 3.0 3.38 4.0 4.41 5.0 5.38 4.0 4.34 5.0 5.30 7.0 7.08 10.0 9.37 50 60 1.6 2.34 2.8 4.01 3.5 4.95 4.0 5.61 5.5 7.50 3.5 4.88 4.0 5.52 5.0 6.78 5.5 7.39 7.0 9.15 8.5 10.79 11.0 13.29 65 76 2.0 3.70 3.0 5.48 3.5 6.35 5.5 8.89 7.0 12.09 4.5 7.93 5.0 8.75 6.0 10.36 7.0 11.91 8.0 13.42 9.5 15.58 14.0 21.40 80 89 2.0 4.36 3.0 6.46 4.0 8.51 5.5 11.50 7.5 15.30 4.5 9.38 5.5 11.33 6.5 13.22 7.5 15.07 9.0 17.76 11.0 21.16 15.0 27.37 100 114 2.0 5.61 3.0 8.33 4.0 11.01 6.0 16.22 8.5 22.45 5.0 13.44 6.0 15.98 7.0 18.47 8.5 22.11 11.0 27.94 14.0 34.52 17.0 40.66 125 140 2.8 9.62 3.5 11.96 5.0 16.90 6.5 21.72 9.5 31.03 5.0 16.65 6.5 21.40 8.0 26.04 9.5 30.57 13.0 40.71 16.0 48.93 19.0 56.69 150 168 2.8 11.58 3.5 14.41 5.0 20.40 7.0 28.21 11.0 43.23 5.5 20.04 6.5 25.89 7.0 27.79 9.5 37.13 11.0 42.59 14.0 53.17 18.0 66.58 22.0 79.21 200 219 2.8 15.15 4.0 21.53 6.5 34.57 8.0 42.25 13.0 67.03 6.5 34.06 7.0 36.60 8.0 41.63 10.0 51.54 13.0 66.04 15.0 75.46 18.0 89.22 20.0 98.15 24.0 115.41 23.0 111.17 250 273 3.5 23.61 4.0 26.93 6.5 43.36 9.5 62.66 15.0 96.87 6.5 42.72 8.0 52.28 9.5 61.73 13.0 83.35 15.0 95.43 18.0 113.19 22.0 136.17 25.0 152.89 28.0 169.17 25.0 152.89 300 325 4.0 32.13 4.5 36.10 6.5 51.82 9.5 75.02 17.0 131.06 6.5 51.05 8.5 66.34 10.0 77.68 14.0 107.37 17.0 129.12 22.0 164.38 25.0 184.95 28.0 205.07 34.0 244.00 26.0 191.71 350 356 4.0 35.24 5.0 43.93 8.0 68.65 9.5 81.17 11.0 93.58 15.0 126.14 19.0 157.90 24.0 196.49 28.0 226.48 32.0 255.67 36.0 284.08 400 406 4.5 45.22 5.0 50.18 8.0 78.52 9.5 92.89 13.0 125.99 17.0 163.08 22.0 208.33 26.0 243.64 32.0 295.13 36.0 328.47 40.0 361.02 450 457 8.0 88.58 11.0 120.98 14.0 152.94 19.0 205.22 24.0 256.27 30.0 315.89 35.0 364.23 40.0 411.33 45.0 457.20 500 508 9.5 116.78 13.0 158.69 15.0 182.36 20.0 240.68 26.0 309.04 32.0 375.62 38.0 440.43 45.0 513.79 50.0 564.71 550 559 9.5 128.73 13.0 175.04 17.0 227.22 22.0 291.33 28.0 366.64 35.0 452.26 42.0 535.47 48.0 604.86 54.0 672.48 600 610 9.5 140.68 14.0 205.76 18.0 262.78 25.0 360.65 32.0 456.11 38.0 536.01 45.0 626.98 52.0 715.53 60.0 813.79 注： ①公称壁厚超过SCH80s的不锈钢管按表3-2选用 ②粗实线以下的数据已超过我国现行的钢管标准的规格范围 表3-2碳素钢、合金钢无缝钢管 公称直径DN 外径mm 壁厚及理论质量 壁厚及理论质量 SCH20 SCH30 SCH40 SCH60 SCH80 SCH100 SCH120 SCH140 SCH160 XXS mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m mm kg/m 10 17 2.5 0.89 3.5 1.17 15 22 3.0 1.41 4.0 1.78 5.0 2.10 7.5 2.68 20 27 3.0 1.78 4.0 2.27 5.5 2.92 8.0 3.75 25 34 3.5 2.63 4.5 3.27 6.5 4.41 9.0 5.55 32 42 3.5 3.33 5.0 4.56 6.5 5.69 10.0 7.89 40 48 4.0 4.34 5.0 5.30 7.0 7.08 10.0 9.37 50 60 3.5 4.88 4.0 5.52 5.0 6.78 5.5 7.39 7.0 9.15 8.5 10.79 11.0 13.29 65 76 4.5 7.93 5.0 8.75 6.0 10.36 7.0 11.91 8.0 13.42 9.5 15.58 14.0 21.40 80 89 4.5 9.38 5.5 11.33 6.5 13.22 7.5 15.07 9.0 17.76 11.0 21.16 15.0 27.37 100 114 5.0 13.44 6.0 15.98 7.0 18.47 8.5 22.11 11.0 27.94 14.0 34.52 17.0 40.66 125 140 5.0 16.65 6.5 21.40 8.0 26.04 9.5 30.57 13.0 40.71 16.0 48.93 19.0 56.69 150 168 5.5 20.04 6.5 25.89 7.0 27.79 9.5 37.13 11.0 42.59 14.0 53.17 18.0 66.58 22.0 79.21 200 219 6.5 34.06 7.0 36.60 8.0 41.63 10.0 51.54 13.0 66.04 15.0 75.46 18.0 89.22 20.0 98.15 24.0 115.41 23.0 111.17 250 273 6.5 42.72 8.0 52.28 9.5 61.73 13.0 83.35 15.0 95.43 18.0 113.19 22.0 136.17 25.0 152.89 28.0 169.17 25.0 152.89 300 325 6.5 51.05 8.5 66.34 10.0 77.68 14.0 107.37 17.0 129.12 22.0 164.38 25.0 184.95 28.0 205.07 34.0 244.00 26.0 191.71 350 356 8.0 68.65 9.5 81.17 11.0 93.58 15.0 126.14 19.0 157.90 24.0 196.49 28.0 226.48 32.0 255.67 36.0 284.08 400 406 8.0 78.52 9.5 92.89 13.0 125.99 17.0 163.08 22.0 208.33 26.0 243.64 32.0 295.13 36.0 328.47 40.0 361.02 450 457 8.0 88.58 11.0 120.98 14.0 152.94 19.0 205.22 24.0 256.27 30.0 315.89 35.0 364.23 40.0 411.33 45.0 457.20 500 508 9.5 116.78 13.0 158.69 15.0 182.36 20.0 240.68 26.0 309.04 32.0 375.62 38.0 440.43 45.0 513.79 50.0 564.71 550 559 9.5 128.73 13.0 175.04 17.0 227.22 22.0 291.33 28.0 366.64 35.0 452.26 42.0 535.47 48.0 604.86 54.0 672.48 600 610 9.5 140.68 14.0 205.76 18.0 262.78 25.0 360.65 32.0 456.11 38.0 536.01 45.0 626.98 52.0 715.53 60.0 813.79钢管尺寸和质量2 表3-3奥氏体不锈钢无缝钢管 公称直径DN 外径mm 公称壁厚mm 2 2.5 3 3.5 4 4.5 5 6 7 8 9 10 11 12 理论质量kg/m 80 89 4.36 5.41 6.46 7.49 8.51 9.52 10.51 12.46 14.36 16.22 100 114 5.61 6.98 8.33 9.68 11.01 12.33 13.64 16.22 18.75 21.23 23.65 125 140 8.60 10.29 11.96 13.62 15.26 16.90 20.12 23.30 26.43 29.51 32.54 150 168 10.36 12.39 14.41 16.42 18.42 20.40 24.33 28.21 32.04 35.82 39.55 43.23 200 219 13.55 16.22 18.88 21.53 24.16 26.78 31.99 37.14 42.25 47.31 52.31 57.27 62.18 250 273 23.61 26.93 30.24 33.54 40.10 46.61 53.06 59.47 65.83 72.14 78.39 300 325 32.14 35.10 40.05 47.91 55.72 63.48 71.19 78.84 86.45 94.01 350 356 35.24 39.59 43.93 52.56 61.15 69.68 78.17 86.60 94.99 103.32 400 406 40.25 45.22 50.18 60.07 69.91 79.70 89.43 99.12 108.75 118.34 450 457 45.35 50.97 56.57 67.73 78.84 89.91 100.92 111.88 122.80 133.66 500 508 56.71 62.95 75.39 87.78 100.12 112.41 124.65 136.84 148.98 550 559 69.33 83.05 96.72 110.33 123.90 137.41 150.88 164.30 600 610 75.72 90.71 105.65 120.54 135.39 150.18 164.92 179.61 650 660 98.22 114.41 130.56 146.65 162.69 178.69 194.63 700 711 105.87 123.35 140.77 158.14 175.46 192.73 209.95 750 762 132.28 150.98 169.63 188.22 206.77 225.27 800 813 141.22 161.19 181.12 200.99 220.81 240.59 850 864 171.40 192.61 213.76 234.86 255.91 900 914 181.42 203.87 226.27 248.62 270.92 950 965 191.63 215.36 239.04 262.66 286.24 1000 1016 201.84 226.85 251.80 276.71 301.56 表3-4碳素钢、合金钢无缝钢管 公称直径DN 外径mm 公称壁厚mm 4 5 6 7 8 9 10 11 12 13 14 15 16 18 理论质量kg/m 150 168 16.18 20.10 23.97 27.79 31.56 35.29 38.96 200 219 21.21 26.39 31.52 36.60 41.63 46.61 51.54 250 273 26.53 33.04 39.51 45.92 52.28 58.59 64.86 71.07 77.24 83.35 300 325 39.46 47.20 54.89 62.54 70.13 77.68 85.18 92.62 100.02 107.37 350 356 51.79 60.24 68.65 77.01 85.32 93.58 101.80 109.96 118.07 126.14 400 406 59.18 68.88 78.52 88.11 97.65 107.15 116.59 125.99 135.33 144.63 450 457 66.73 77.68 88.58 99.43 110.23 120.98 131.68 142.34 152.94 163.50 174.00 500 508 74.28 86.48 98.64 110.75 122.81 134.82 146.78 158.69 170.55 182.36 194.12 550 559 81.82 95.29 108.70 122.07 135.38 148.65 161.87 175.04 188.16 201.22 214.25 600 610 89.37 104.09 118.76 133.39 147.96 162.48 176.96 191.39 205.76 220.09 234.37 650 660 96.77 112.72 128.63 144.48 160.29 176.05 191.76 207.42 223.03 238.59 254.10 700 711 104.31 121.52 138.69 155.80 172.87 189.88 206.85 223.76 240.63 257.45 274.22 750 762 130.33 148.75 167.12 185.44 203.72 221.94 240.11 258.24 276.32 294.34 800 813 139.13 158.81 178.44 198.02 217.55 237.04 256.46 275.85 295.18 314.46 850 864 168.87 189.76 210.60 231.38 252.12 272.81 293.45 314.05 334.59 900 914 178.74 200.86 222.93 244.95 266.92 288.84 310.72 332.54 354.31 950 965 188.80 212.17 235.50 258.78 282.01 350.19 328.32 351.41 374.44 1000 1016 198.86 223.49 248.08 272.62 297.10 321.54 345.93 370.27 394.56 1100 1118 273.23 300.28 327.29 354.24 381.14 408.00 434.81 1200 1220 298.39 327.95 357.47 386.94 416.36 445.73 475.05 533.54 1300 1321 323.29 355.35 387.36 419.32 451.23 483.09 514.90 578.38 1400 1420 347.71 382.21 416.66 451.06 485.41 519.71 553.96 622.32 1500 1524 373.35 410.42 447.43 484.40 521.31 558.18 595.00 668.48 1600 1620 397.03 436.46 475.84 515.17 554.46 593.69 632.87 711.10 1700 1727 423.41 465.48 507.50 549.47 591.40 633.27 675.09 758.59 1800 1820 446.35 490.71 535.02 579.29 623.50 667.67 711.79 799.87 1900 1930 473.47 520.55 567.57 614.55 661.48 708.36 755.19 848.70 2000 2020 495.67 544.96 594.21 643.40 692.55 741.65 790.70 888.65