无缝钢管尺寸规格重量
表
关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf
单位：(Ｋg/m)壁厚外径33.544.555.566.5788.591012322.1462.462.7623.0523.3293.5943.8474.088382.5892.9783.3543.7184.0694.4084.7355.049422.8853.3233.7494.1624.5624.9515.3275.691453.1073.5824.0444.4954.9325.3585.7716.172503.4774.0144.5385.0495.5496.0366.5116.9737.4238.2868.699543.7734.3594.9325.4936.0426.5787.1037.6148.1149.0759.538573.9954.6185.2285.8266.4126.9857.5468.0958.6329.66710.167604.2174.8775.5246.1596.7827.3927.998.5769.14910.25910.79663.54.4765.1795.8696.5487.2147.8678.5089.1379.75410.9511.529684.8095.5676.3137.0477.7688.4779.1749.85810.5311.83812.473704.9575.746.5117.2698.0158.7499.4710.17910.87612.23212.89213.53914.79717.164735.1795.9996.8077.6028.3859.1569.91410.6611.39412.82413.52114.20515.53718.052765.4016.2587.1037.9358.7559.56310.35811.14111.91213.41614.1514.87116.27718.94896.3637.388.3859.37810.35811.32612.28113.22514.15615.98116.87517.75619.48322.7871087.7689.0210.25911.48612.70113.90315.09316.2717.43619.72920.85821.97324.16828.4113311.17812.72514.26115.78317.29418.79220.27821.75124.66226.09827.52230.33435.80915913.42215.2917.14618.98920.82122.63924.44626.2429.79131.54833.29336.74643.50321918.60121.20923.80526.38828.95931.51734.06436.59841.62944.12646.6151.54361.25927323.26226.53629.79733.04636.28339.50842.7245.9252.28355.44558.59664.8677.2432527.7531.66535.56839.45843.33747.20251.05654.89762.54266.34670.13777.68492.62935538.89743.15847.40651.64155.86560.07668.4672.63476.79685.082101.50737741.33945.87150.3954.89759.39163.87372.80177.24681.67990.508108.01842646.77751.91357.03662.14767.24672.33282.46887.51892.555102.592122.51945071.09376.47587.20392.54997.882108.511129.62148075.90281.65493.12298.837104.54115.909138.49953083.91790.286102.987109.319115.638128.24153.29663099.947107.549122.716130.281137.833152.902182.89 注：计算常用型材理论重量计算公式： m=F×L×ρ m—质量Kg；F—断面积m2/m；L—长度m；ρ—密度*Kg/m3☆其中：F断面积计算方法：1、方钢 F=a2 2、钢管 F=3.1416×＄（D-＄） D—直径 ＄—厚度3、钢板、扁钢 F=a×＄ a—宽度密度：钢材：7.85*103kg/m3铝：2.5～2.95*103铜：8.45～8.9*103铸铁：6.6～7*103尼龙：1.04～1.15*103公称直径是接近于内径，但是又不等于内径的一种管子直径的规格名称,大致是公称直径大约等于内径（外径减两个皮厚）但也不完全相等，大致差不多，取整就行。DN15-ф18mm，DN20-ф25mmDN25-ф32mm，DN32-ф38mmDN40-ф45mm，DN50-ф57mmDN65-ф73mm，DN80-ф89mmDN100-ф108mm，DN125-ф133mmDN150-ф159mm，DN200-ф219mmDN250-ф273mm，DN300-ф325mmDN350-ф377mm，DN400-ф426mmDN450-ф480mm，DN500-ф530mmDN600-ф630mm
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