钢管公称直径对照表

一般来说，管子的直径可分为外径，内径，公称直径.无缝钢管外径用字母D来 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 示，其后附加外直径尺寸和壁厚.例如外径为108nmi的无缝钢管,壁片为5mm,用D108*5表示.镀锌钢管釆用DN表示.在设计图纸中所以要用公称直径,11的是为了根据公称直径可以确定管子，管件，阀门，法兰，垫片等结构尺寸，公称尺寸用DN表示,如果在设计图纸中釆用外径表示,也应该作出管道规格对照表，表明某种管道的公称直径，壁厚.世界各国应用的标准体系虽然多，大体可分成两大类，即大外径系列和小外径系列.大外径系列：(DN---公称直径・C---外径)DN15-e22mm.DN20—C27mm.DN25—e34mm.DN32-e42mm.DN40—e48mm.DN50—C60mm.DN65—C76(73)mm.DN80—e89mm.DN100…Q114mm.DN125-ei40nim.DN150-e168mm.DN200-e219mm.DN250-C273mm.DN300-C324mm.DN35O—C360mm.DN400—C406mm.DN450-C457mm.DN500—C508mm.610mm.CDN600-・小外径系列:?DN15—ClSmm.DN20—C25mm.DN25-e32mm.DN32—C38mm.DN40—C45mm.DN50—e57mm.DN65—C73mm.DN80—C89mm.DN100—C108mm.DN125…@133mm.DN150-ei59nim.DN200-e219mm.DN250…@273mm.DN300-C325mm.DN35O-C377mm.DN400-C426mm.DN450—C480mm.DN500—C530nim.DN600—C630mm.•般标准钢管都可从材料农中查得每米重量.妥是非标准钢管可通过量得实际尺寸来计算其重量.重量=（外径-壁厚）*壁厚*n*长度*7.85重量单位…吨•其于单位…米•钢管公称直径（英寸与毫米对.外壁垂公•英•英英••狂单.%0.1910S0.0190.2810.31/1.240.250.06S1.7310.31/0.37STD-100.320.0951/10.3XS-S02.410.180.3113.71.6510S0.0650.501/0.130.610.0SSSTD-101/13.72.240.553.021/13.7XS-S00.1190.810.4317.110S1.653/0.&10.0650.570.091STD-1017.12.31”3/S0.850.751.110.1263.20XS-S017.1”3/8.1/2"21.35S1.050.0120.530.361/2”21.310S2.110.0S31.010.681/2"21.3STI>-102.770.1091.2S0.861/2M21.3xs-so3.730.1471.631.101/2”21.31604.780.1881.971.331/2”21.3XXS7.470.2912.571.733/4”26.75S1.650.0651.030.69”3/426.710S2.110.0831.290.873/4”26.7STI>-102.870.1131.701.143/4”26.7xs-so3.910.151999M•——1.193/4”26.71605.560.2192.931.972.4826.73.68XXS0.30S”3/47.820.SS5S0.0651.311"1.6533.41.4210S0.1092.771"33.42.12700.133r3.382.5333.4STD-1018”14.5533.40.179XS-SO3.27SSr4.2833.41600.2506.3571XXS0.3589.09”15.5133.41.121.6711/4M1.6542.25S0.065S3”11/42.7242.20.109IOS2.773142.2STD-1011/4”0.1103.563.433.03XS-SO4.854.5142.20.191”11/43.SI5.6742.2”11/40.2501606.355.28”11/1XXS9.707.850.3S242.21.290.0651.6511/2"5S18.31.922.112.7718.3IOS”11/20.1093.142.75090.1453.6SSTD-1048.31l/2・11/2”•18.3xs-so5.OS0.2005.473.6811/2"48.31607.140.2817.321.9211/2M•18.3XXS10.150.1009.656.492”60.35S1.650.0652.411.622”60.32.110.0833.062.06”960.3IOS2.770.1093.972.67—60.33.IS0.1254.523.019"60.3STIM03.910.1515.493.692”60.3XS-S05.540.21S7.565.08”960.31608.740.34411.23■■■i.□□60.3XXS11.070.43613.589.13”21/273.05S2.110.0833.732.5121/2”73.010S3.050.1205.323.57”21/273.0304.780.188&125.1621/2”73.0STD-105.160.2038.725.86”21/273.0XS-S07.010.27611.527.7421/2w73.01609.530.37515.OS10.14”21/273.0XXS14.020.55220.6013.843”SS.95S2.110.0S34.563.07”3SS.92.770.1095.954.00”388.910S3.050.1206.524.38”3SS.93.IS0.1256.791.563”SS.93.5S0.1417.615.12”388.93.960.156&3S5.63”3SS.9STIhlO5.490.21611.417.67”388.9XS-807.620.30015.4310.37”3・88.916011.130.13821.5614.193”SS.9XXS15.240.60027.9618.7931/2”101.65S2.110.0835.233.5231/2n101.6IOS3.050.1207.495.0331/2M101.6304.780.18811.53■—■31/2R101.6STI>-105.740.22613.719.2131/2"101.6xs-so8.OS0.31818.8312.654”114.35S2.110.0S35.903.974”114.310S3.050.1208.465.684”114.33.IS0.125&SI5.924”114.33.960.15610.S97.32”4114.34.370.17211.978.054”114.34.780.1SS13.018.764”114.35.160.20314.039.134”111.35.560.21915.0610.62”4111.3STI>-106.020.23716.2410.91”4114.36.350.25017.OS11.484”114.37.140.28119.0612.814”114.37.920.31220.9911.11”4114.3xs-soS.560.33722.5515.154”114.312011.130.4382S.6119.23”4114.316013.490.53133.8S22.77”4114.3XXS17.120.67141.4527.85L”0141.33.960.15613.559.11L”□141.34.780.18816.2610.93”5111.35.560.219IS.SO12.63”5141.3STI>-106.550.25821.9914.78”L5・141.37.140.28123.S616.04L”5141.37.920.31226.3217.69L”n111.3xs-so9.530.37531.2821.02Ffl5141.312012.700.50040.6927.34L”5141.316015.SS0.62519.6233.31L"□141.3XXS19.050.75058.0138.986”16S.34.370.17217.8111.996”16S.34.780.18819.4713.096”16S.35.160.20320.9711.096”16S.35.560.21922.5415.156”16S.36.350.25025.6217.22”616S.3SA107.110.2802&5519.196”16S.37.920.31231.6421.266”16S.3S.740.31134.7423.356”16S.39.530.37537.6925.33”616S.3XS-SO10.970.43242.9928.896”16S.312.700.50019.2333.08”616S.312014.270.56254.7536.796”16S.315.SS0.62560.3010.52”616S.31601S.260.7196S.2545.866”16S.319.050.75070.8517.61”616S.3XXS21.950.86180.0253.77”616S.322.230.87580.8754.34”8219.14.780.18825.5217.158”219.15.160.20327.5013”8219.15.560.21929.5S19.88钢管公称直径（英寸与珏米对照表2〉8”219.1206.350.25033.6522.61219.1”&307.010.27737.1921.998”219.17.920.31241.6628.008”219.1STI>-10S.IS0.32242.9828.888”219.1&740.31445.SO30.788”219.19.530.37519.7533.438”219.16010.310.40653.(>236.038M219.111.130.43857.6638.75219.1SMXS-SO12.700.50065.3043.88219.1SM14.270.56272.811&93219.1”810015.090.59176.6951.53219.1S"15.SS0.625SO.3151.02219.18”12018.260.71991.3661.39219.1S"19.050.75091.9363.79”S219.111020.620.812101.9568.518”219.1XXS22.230.875IOS.9673.22”8219.116023.010.906112.1075.59”219.1S25.101.000122.5682.3610273.0”4.780.18831.9121.1610”273.05.160.20334.4323.14273.0”105.560.21937.0124.89273.0”10206.350.25042.1828.34”10273.07.090.27916.9731.56273.010”307.SO0.30751.J>331.63273.0TOS.740.34457.3438.6610273.0”STHO9.270.36560.9010.92”10273.011.130.43872.6148.7955.3412.70273.00.500”10XS-6082.35”10・273.014.270.56261.SO91.9210”273.0SO15.090.59196.9565.1510”273.015.SS0.625101.7168.3510”273.0100IS.260.719115.8777.8610”273.020.620.812129.6187.1110”273.012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