大中小

材质为10,、20,、35,、45,、27simn、16mn、15crmo、35crmo、12crimov等。钢管尺寸换算表:
钢管尺寸对应精确值统称直径DN
4分DN15φ21.3φ18
6分DN20φ26.9φ25
1寸DN25φ33.7φ32
1.2寸DN32φ42.4φ38
1.5寸DN40φ48.3φ45
2寸DN50φ60.3φ57
2.5寸DN65φ76.1φ76
3寸DN80φ88.9φ89
4寸DN100φ114.3φ108
5寸DN125φ139.7φ140
6寸DN150φ168.3φ159
8寸DN200φ219.1φ219
10寸DN250φ273φ273
12寸DN300φ323.9φ325
14寸DN350φ355.6φ377
16寸DN400φ406.4φ426
18寸DN450φ457φ480
20寸DN500φ508φ530
24寸DN600φ610φ630
28寸DN700φ711φ720
32寸DN800φ813φ820
36寸DN900φ914φ920
40寸DN1000φ1016φ1020
无缝钢管理论重量表
单位:壁厚Kg/m
外径33.544.555.56322.1462.4602.7623.0523.3293.5943.847382.5892.9783.3543.7184.0694.4084.735422.8853.3233.7494.1624.5624.9515.327453.1073.5824.0444.4954.9325.3585.771503.4774.0144.5385.0495.5496.0366.511
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543.7734.3594.9325.4936.0426.5787.103573.9954.6185.2285.8266.4126.9857.546604.2174.8775.5246.1596.7827.3927.99063.54.4765.1795.8696.5487.2147.8678.508684.8095.5676.3137.0477.7688.4779.174704.9575.7406.5117.2698.0158.7499.470735.1795.9996.8077.6028.3859.1569.914765.4016.2587.1037.9358.7559.56310.358896.3637.3808.3859.37810.35811.32612.2811087.7689.02010.25911.48612.70113.90315.09313311.17812.72514.26115.78317.29418.79215913.42215.29017.14618.98920.82122.63921918.60121.20923.80526.38828.95931.51727323.26226.53629.79733.04636.28339.50832527.75031.66535.56839.45843.33747.20235538.89743.15847.40651.64137741.33945.87150.39054.89742646.77751.91357.03662.147450480530630单位:壁厚Kg/m
外径6.5788.591012324.088385.049425.691456.172506.9737.4238.2868.699547.6148.1149.0759.538578.0958.6329.66710.167608.5769.14910.25910.79663.59.1379.75410.95011.529689.85810.53011.83812.4737010.17910.87612.23212.89213.53914.79717.1647310.66011.39412.82413.52114.20515.53718.0527611.14111.91213.41614.15014.87116.27718.9408913.22514.15615.98116.87517.75619.48322.78710816.27017.43619.72920.85821.97324.16828.410
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