常用钢筋钢管规格表

热轧圆钢和方钢的尺寸规格直径d(或边长a)/mm精度组别截面面积/cm2理论质量(kg/m)1组2组3组圆钢方钢圆钢方钢允许偏差/mm5.5±0.20±0.30±0.40..23750.300.1860.23760.28270.360.2220.2836.50.33180.420.2600.33270.38480.490.3020.3858±0.25±0.35±0.400.50770.640.3950.50290.63620.810.4990.636100.78541.00.6170.785*110.95031.210.7460.95121.1311.440.8881.13131.3271.691.041.33141.5391.961.211.54151.7672.251.391.77162.0112.561.582.01172.2702.891.782.27182.5453.242.002.54192.8353.612.232.83203.1424.002.473.1421±.30±.40±.503.4644.412.723.46223.8014.842.983.80*234.1555.293.264.15244.5245.763.554.52254.9096.253.854.91265.3096.764.175.31

直径d(或边长a)精度组别截面面积/cm2理论质量(kg/m)1组2组3组圆钢方钢圆钢方钢/mm*275.7267.294.495.72286.1587.844.836.15*296.6058.415.186.60307.0699.005.557.06*31±0.40±0.50±0.607.5489.615.937.54328.04210.246.318.04*338.55310.896.718.55349.09711.567.139.07*359.62112.257.559.623610.1812.967.9910.23811.3414.448.9011.34012.5716.009.8612.64213.8517.6410.913.84515.9020.2512.515.94818.1023.0414.218.15019.6425.0015.419.653±0.60±.70±0.8022.0628.0917.322..*5523.7630.2518.623.75624.6331.3619.324.6*5826.4233.6420.726.460±.60±.70±0.8028.2736.0022.228.36331.1739.6924.531.2*6533.1842.2526..33.2*6836.3246.2428.536.37038.4849.0030.238.5直径d(或边长a)精度组别截面面积/cm2理论质量(kg/m)1组2组3组圆钢方钢圆钢方钢/mm7544.1856.2534.744.28050.2764.0039.550.28556.7572.2544.556.79063.6281.0049.963.695土.9±1.0±1.170.8890.2555.670.810078.54100.0061.778.510586.59110.2568.086.511095.03121.0074.695.0115103.82132.2681.5104120113.10144.0088.8113125±1.2±1.3±1.4122.72156.2596.3123130132.73169.00104133140153.94196.00121154150176.72225.00139177160201.06256.00158201170±2.0226.98289.00178227180254.47324.00200254190283.53361.00223283200314.16400.00247314220--±2.5380.13-298-250490.88-385-注：1.表中的理论质量是按钢的密度为7.85g/cm3计算的。2.表中带“*号”的规格，不推荐使用。

无缝钢管理论重量表单位：Kg/m壁厚外径33.544.555.56322.1462.4602.7623.0523.3293.5943.847382.5892.9783.3543.7184.0694.4084.735422.8853.3233.7494.1624.5624.9515.327453.1073.5824.0444.4954.9325.3585.771503.4774.0144.5385.0495.5496.0366.511543.7734.3594.9325.4936.0426.5787.103573.9954.6185.2285.8266.4126.9857.546604.2174.8775.5246.1596.7827.3927.99063.54.4765.1795.8696.5487.2147.8678.508684.8095.5676.3137.0477.7688.4779.174704.9575.7406.5117.2698.0158.7499.470735.1795.9996.8077.6028.3859.1569.914765.4016.2587.1037.9358.7559.56310.358896.3637.3808.3859.37810.35811.32612.2811087.7689.02010.25911.48612.70113.90315.09313311.17812.72514.26115.78317.29418.79215913.42215.29017.14618.98920.82122.63921918.60121.20923.80526.38828.95931.51727323.26226.53629.79733.04636.28339.50832527.75031.66535.56839.45843.33747.20235538.89743.15847.40651.64137741.33945.87150.39054.89742646.77751.91357.03662.147450480

530630单位：Kg/m壁厚外径6.5788.591012324.088385.049425.691456.172506.9737.4238.2868.699547.6148.1149.0759.538578.0958.6329.66710.167608.5769.14910.25910.79663.59.1379.75410.95011.529689.85810.53011.83812.4737010.17910.87612.23212.89213.53914.79717.1647310.66011.39412.82413.52114.20515.53718.0527611.14111.91213.41614.15014.87116.27718.9408913.22514.15615.98116.87517.75619.48322.78710816.27017.43619.72920.85821.97324.16828.41013320.27821.75124.66226.09827.52230.33435.80915924.44626.24029.79131.54833.29336.74643.50321934.06436.59841.62944.12646.61051.54361.25927342.72045.92052.28355.44558.59664.86077.24032551.05654.89762.54266.34670.13777.68492.62935555.86560.07668.46072.63476.79685.082101.50737759.39163.87372.80177.24681.67990.508108.01842667.24672.33282.46887.51892.555102.592122.51945071.09376.47587.20392.54997.882108.511129.62148075.90281.65493.12298.837104.540115.909138.49953083.91790.286102.987109.319115.638128.240153.29663099.947107.549122.716130.281137.833152.902182.890直缝焊接钢管尺寸规格表|直缝焊管理论重量表外径/mm壁厚/mm0.50.60.81.01.21.41.51.61.82.02.22.52.83.03.23.5钢管的理论质量/(kg/m)50.0550.0650.0830.09980.0920.1090.1420.1730.201100.1170.1390.1810.2220.260120.1420.1690.2210.2710.3200.3660.3880.410130.1830.2410.2960.3430.4000.4250.450140.1980.2600.3210.3790.4350.4620.489150.1230.2800.3450.4080.4700.4990.529160.2280.3000.3700.4380.5040.5360.568170.2430.3200.3950.4680.3590.5730.608180.2570.3390.4190.4970.5730.6100.647190.2720.3590,4440.5270.6080.6470.687200.2870.3790.4690.5560.6420.6840.7260.8080.888210.3990.4930.5860.6770.7210.7650.8520.937220.4180.5180.6160.7U0.7580.8050.8970.9861.074250.4770.5920.7040.8150.8690.9231.0301.1341.2371.387280.5370.6660.7930.9180.9801.04121.1631.2821.4001.5721.740300.5760.7150.8520.9871.0541.1211.2521.3811.5081.6951.8781.997320.7640.9111.0651.1281.1991.3411.4801.6171.18192.0162.145

340.8140.9711.1251.2021.2781.4291.5781.7251.9422.1542.293370.8881.0591.2291.3131.3971.5621.7261.8882.1272.3612.515直缝焊接钢管尺寸规格表|直缝焊管理论重量表外径/mm壁厚/mm0.50.60.81.01.21.41.51.61.82.02.22.52.83.03.23.5钢管的理论质量/(kg/m)50.0550.0650.0830.09980.0920.1090.1420.1730.201100.1170.1390.1810.2220.260120.1420.1690.2210.2710.3200.3660.3880.410130.1830.2410.2960.3430.4000.4250.450140.1980.2600.3210.3790.4350.4620.489150.1230.2800.3450.4080.4700.4990.529160.2280.3000.3700.4380.5040.5360.568170.2430.3200.3950.4680.3590.5730.608180.2570.3390.4190.4970.5730.6100.647190.2720.3590,4440.5270.6080.6470.687200.2870.3790.4690.5560.6420.6840.7260.8080.888210.3990.4930.5860.6770.7210.7650.8520.937220.4180.5180.6160.7U0.7580.8050.8970.9861.074250.4770.5920.7040.8150.8690.9231.0301.1341.2371.387280.5370.6660.793