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1、无缝钢管规格表对应值比重：g/m外径 壁厚33.544.555.56322.1462.4602.7623.0523.3293.5943.847382.5892.9783.3543.7184.0694.4084.735422.8853.3233.7494.1624.5624.9515.327453.1073.5824.0444.4954.9325.3585.771503.4774.0144.5385.0495.5496.0366.511543.7734.3594.9325.4936.0426.5787.103573.9954.6185.2285.8266.4126.9857.546604.217
2、4.8775.5246.1596.7827.3927.99063.54.4765.1795.8696.5487.2147.8678.508684.8095.5676.3137.0477.7688.4779.174704.9575.7406.5117.2698.0158.7499.470735.1795.9996.8077.6028.3859.1569.914765.4016.2587.1037.9358.7559.56310.358896.3637.3808.3859.37810.35811.32612.2811087.7689.02010.25911.48612.70113.90315.09
3、313311.178 12.72514.26115.78317.29418.792 15913.422 15.29017.14618.98920.82122.639 21918.601 21.20923.80526.38828.95931.517 27323.262 26.53629.79733.04636.28339.508 32527.750 31.66535.56839.45843.33747.202 35538.897 43.15847.40651.641 37741.339 45.87150.39054.897 42646.777 51.91357.03662.147 450 480
4、 530 630 对应值比重：g/m 外径 壁厚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 7010.179 10.87612.23212.89213.53914.79717.1647310.660 11.39412.82413.52114.20515.53
5、718.0527611.141 11.91213.41614.15014.87116.27718.9408913.225 14.15615.98116.87517.75619.48322.78710816.270 17.43619.72920.85821.97324.16828.41013320.278 21.75124.66226.09827.52230.33435.80915924.446 26.24029.79131.54833.29336.74643.50321934.064 36.59841.62944.12646.61051.54361.25927342.720 45.92052.
6、28355.44558.59664.86077.24032551.056 54.89762.54266.34670.13777.68492.62935555.865 60.07668.46072.63476.79685.082101.50737759.391 63.87372.80177.24681.67990.508108.01842667.246 72.33282.46887.51892.555102.592 122.51945071.093 76.47587.20392.54997.882108.511 129.62148075.902 81.65493.12298.837104.540
7、 115.909 138.49953083.917 90.286102.987 109.319 115.638 128.240 153.29663099.947 107.549 122.716 130.281 137.833 152.902 182.890注：计算常用型材理论重量计算公式： m=FL m质量 Kg ；F断面积 m2/m ；L长度 m ； 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*103 kg/m3 铝：2.52.95*103 铜：8.458.9*103 铸铁：6.67*103 尼龙：1.041.15*103圆形管用算法:（外径-壁厚）壁厚0.02466长度用外径减壁厚再乘于壁厚再乘于0.02466是一米的重量,最后乘于米数就可以了 ，这是工程上的算法。
