规格 外径mm壁厚mm最小壁厚mm焊管（6米定尺） 镀锌管(6米定尺） 米重kg根重kg米重kg根重kg公称内径英寸DN15 1/2 21.32.8 2.45 1.28 7.68 1.357 8.14 DN20 3/4 26.9 2.8 2.45 1.66 9.96 1.76 10.56 DN25 1 33.7 3.2 2.8 2.41 14.46 2.554 15.32 DN32 1.25 42.4 3.5 3.06 3.36 20.16 3.56 21.36 DN40 1.5 48.3 3.5 3.06 3.87 23.22 4.10 24.60 DN50 2 60.3 3.8 3.325 5.29 31.74 5.607 33.64 DN65 2.5 76.1 4.0 3.5 7.11 42.66 7.536 45.21 DN80 3 88.9 4.0 8.3850.288.88 53.28 DN100 4 114.3 4.0 10.88 65.28 11.53 69.18 DN125 5 140 4.5 15.04 90.24 15.942 98.65 DN150 6 168.3 4.5 18.18 109.08 19.27 115.62 DN200 8 219.1 6.0（焊管） 31.53 189.18 DN200 8 219.1 6.5（热镀锌） 36.12 216.7焊接钢管重量计算公式焊接钢管的重量kg/m = (Od - Wt) * Wt * 0.02466 注：其中Od是外径 Wt是壁厚1.直缝焊管规格表 公称尺寸 国标厚度mm 1分 2 2分 2.25 3分 2.25 4分 2.75 6分 2.75 1寸 3.25 1寸2 3.25 1寸半 3.5 2寸 3.5 2.螺旋焊管规格表 规格壁厚米重国标水压值部标水压值规格壁厚米重国标水压值部标水压值219632.029.77.77206106.1532.3 737.111.39 7123.593.52.7 842.1312.910.3 8140.9743.1273640.017.76.2 9158.314.53.5 746.4297.2 10175.653.9 852.7810.38.3 12210.0264.7325647.76.55.28207140.853.12.4 755.47.66.1 8160.73.52.7 863.048.76.9 9180.543.1377655.45.74.5 10200.264.43.4 764.376.75.2 11219.964.83.8 873.37.66 12239.625.34.1 982.188.66.89208180.433.12.5 1091.01-7.5 9202.73.52.8426662.255.14 10224.923.93.1 772.835.94.6 11247.224.33.4 882.976.85.3 12269.214.73.7 993.057.6610208200.162.82.2 10103.098.56.7 9224.893.22.5478670.344.53.5 10249.583.52.8 781.815.34.1 11274.223.93 893.2364.7 12298.814.23.3 9104.66.85.312208239.62-1.8 10115.927.55.9 10298.932.3529677.894.13.2 11328.473.22.5 790.614.83.7 12357.993.52.8 8103.295.44.3 13387.463.83 9115.926.14.8142010348.232.82 10128.496.85.3 14417.183.22.4630692.833.42.6162012476.372.92.1 7108.0543.1 14554.993.22.4 8123.224.63.6182014627.043.32.2 9138.335.14202014693.09-2 10153.45.74.5222014762.15-1.8注：表中国标指GB/T9711.1-1997标准，部标指SY/T5037-2000标准。
无缝钢管理论重量表 单位：Kg/m壁厚 外径33.544.555.56322.1462.4602.7623.0523.3293.5943.847382.5892.9783.3543.7184.0694.4084.735422.8853.3233.7494.1624.5624.9515.327453.1073.5824.0444.4954.9325.3585.771503.4774.0144.5385.0495.5496.0366.511543.7734.3594.9325.4936.0426.5787.103573.9954.6185.2285.8266.4126.9857.546604.2174.8775.5246.1596.7827.3927.99063.54.4765.1795.8696.5487.2147.8678.508684.8095.5676.3137.0477.7688.4779.174704.9575.7406.5117.2698.0158.7499.470735.1795.9996.8077.6028.3859.1569.914765.4016.2587.1037.9358.7559.56310.358896.3637.3808.3859.37810.35811.32612.2811087.7689.02010.25911.48612.70113.90315.09313311.17812.72514.26115.78317.29418.792 15913.42215.29017.14618.98920.82122.639 21918.60121.20923.80526.38828.95931.517 27323.26226.53629.79733.04636.28339.508 32527.75031.66535.56839.45843.33747.202 35538.89743.15847.40651.641 37741.33945.87150.39054.897 42646.77751.91357.03662.147 450 480 530 630 单位：Kg/m壁厚 外径6.5788.591012324.088 385.049 425.691 456.172 506.9737.4238.2868.699 547.6148.1149.0759.538 578.0958.6329.66710.167 608.5769.14910.25910.796 63.59.1379.75410.95011.529 689.85810.53011.83812.473 7010.17910.87612.23212.89213.53914.79717.1。