鋼管公稱直徑對照表

1、一般來說,管子的直徑可分為外徑,內(nèi)徑,公稱直徑. 1. 無縫鋼管外徑用字母D來表示,其后附加外直徑尺寸和壁厚.例如外徑為108mm的無縫鋼管,壁厚為5mm,用D108*5表示. 2. 鍍鋅鋼管采用DN表示. 3. 在設(shè)計(jì)圖紙中所以要用公稱直徑,目的是為了根據(jù)公稱直徑可以確定管子,管件,閥門,法蘭,墊片等結(jié)構(gòu)尺寸,公稱尺寸用DN表示,如果在設(shè)計(jì)圖紙中采用外徑表示,也應(yīng)該作出管道規(guī)格對照表,表明某種管道的公稱直徑,壁厚. 世界各國應(yīng)用的標(biāo)準(zhǔn)體系雖然多,大體可分成兩大類,即大外徑系列和小外徑系列. 大外徑系列:(DN-公稱直徑.-外徑)DN15-22mm. DN20-27mm. DN25-34mm.

2、 DN32-42mm. DN40-48mm. DN50-60mm. DN65-76(73)mm. DN80-89mm. DN100-114mm. DN125-140mm. DN150-168mm. DN200-219mm. DN250-273mm. DN300-324mm. DN350-360mm. DN400-406mm. DN450-457mm. DN500-508mm. DN600-610mm. Ø 小外徑系列: DN15-18mm. DN20-25mm. DN25-32mm. DN32-38mm. DN40-45mm. DN50-57mm. DN65-73mm. DN80-8

3、9mm. DN100-108mm. DN125-133mm. DN150-159mm. DN200-219mm. DN250-273mm. DN300-325mm. DN350-377mm. DN400-426mm. DN450-480mm. DN500-530mm. DN600-630mm. 一般標(biāo)準(zhǔn)鋼管都可從材料表中查得每米重量. 要是非標(biāo)準(zhǔn)鋼管可通過量得實(shí)際尺寸來計(jì)算其重量. 重量=(外徑-壁厚)*壁厚*長度*7.85 重量單位-噸. 其于單位-米.鋼管公稱直徑（英寸與毫米對照表1）外徑壁厚重量英寸毫米.單位毫米.英寸.公斤/米.磅/英尺.1/8”10.310S1.240.0490.28

4、0.191/8”10.3STD-401.730.0680.370.251/8”10.3XS-802.410.0950.480.321/4”13.710S1.650.0650.500.341/4”13.7STD-402.240.0880.640.431/4”13.7XS-803.020.1190.810.553/8”17.110S 1.650.0650.640.433/8”17.1STD-402.310.0910.850.573/8”17.1XS-803.200.1261.110.751/2”21.35S1.050.0420.530.361/2”21.310S2.110.0831.010.681

5、/2”21.3STD-402.770.1091.280.861/2”21.3XS-803.730.1471.631.101/2”21.31604.780.1881.971.331/2”21.3XXS7.470.2942.571.733/4”26.75S1.650.0651.030.693/4”26.710S2.110.0831.290.873/4”26.7STD-402.870.1131.701.143/4”26.7XS-803.910.1542.221.493/4”26.71605.560.2192.931.973/4”26.7XXS7.820.3083.682.481”33.45S1.65

6、0.0651.310.881”33.410S2.770.1092.121.421”33.4STD-403.380.1332.531.701”33.4XS-804.550.1793.272.181”33.41606.350.2504.282.881”33.4XXS9.090.3585.513.711 1/4”42.25S1.65 0.0651.671.121 1/4”42.210S2.770.1092.721.831 1/4”42.2STD-403.560.1403.432.311 1/4”42.2XS-804.850.1914.513.031 1/4”42.21606.350.2505.673

7、.811 1/4”42.2XXS9.700.3827.855.281 1/2”48.35S1.650.0651.921.291 1/2”48.310S2.770.1093.142.111 1/2”48.3STD-403.680.1454.092.751 1/2”48.3XS-805.080.2005.473.681 1/2”48.31607.140.2817.324.921 1/2”48.3XXS10.150.4009.656.492”60.35S1.650.0652.411.622”60.3 2.110.0833.062.062”60.310S2.770.1093.972.672”

8、60.3 3.180.1254.523.042”60.3STD-403.910.1545.493.692”60.3XS-805.540.2187.565.082”60.31608.740.34411.237.552”60.3XXS11.070.43613.589.132 1/2”73.05S2.110.0833.732.512 1/2”73.010S3.050.1205.323.572 1/2”73.0304.780.1888.125.462 1/2”73.0STD-405.160.2038.725.862 1/2”73.0XS-807.010.27611.527.742 1/2”7

9、3.01609.530.37515.0810.142 1/2”73.0XXS14.020.55220.6013.843”88.95S2.110.0834.563.073”88.9 2.770.1095.954.003”88.910S3.050.1206.524.383”88.9 3.180.1256.794.563”88.9 3.580.1417.615.123”88.9 3.960.1568.385.633”88.9STD-405.490.21611.417.673”88.9XS-807.620.30015.4310.373”88.916011.130

10、.43821.5614.493”88.9XXS15.240.60027.9618.793 1/2”101.65S2.110.0835.233.523 1/2”101.610S3.050.1207.495.033 1/2”101.6304.780.18811.537.753 1/2”101.6STD-405.740.22613.719.213 1/2”101.6XS-808.080.31818.8312.654”114.35S2.110.0835.903.974”114.310S3.050.1208.465.684”114.3 3.180.1258.815.924”114.3 

11、;3.960.15610.897.324”114.3 4.370.17211.978.054”114.3 4.780.18813.048.764”114.3 5.160.20314.039.434”114.3 5.560.21915.0610.624”114.3STD-406.020.23716.2410.914”114.3 6.350.25017.0811.484”114.3 7.140.28119.0612.814”114.3 7.920.31220.9914.114”114.3XS-808.560.33722.5515

12、.154”114.312011.130.43828.6119.234”114.316013.490.53133.8822.774”114.3XXS17.120.67441.4527.855”141.3 3.960.15613.559.115”141.3 4.780.18816.2610.935”141.3 5.560.21918.8012.635”141.3STD-406.550.25821.9914.785”141.3 7.140.28123.8616.045”141.3 7.920.31226.3217.695”141.3XS-809.53

13、0.37531.2821.025”141.312012.700.50040.6927.345”141.316015.880.62549.6233.345”141.3XXS19.050.75058.0138.986”168.3 4.370.17217.8411.996”168.3 4.780.18819.4713.096”168.3 5.160.20320.9714.096”168.3 5.560.21922.5415.156”168.3 6.350.25025.6217.226”168.3STD-407.110.28028.5519.196”1

14、68.3 7.920.31231.6421.266”168.3 8.740.34434.7423.356”168.3 9.530.37537.6925.336”168.3XS-8010.970.43242.9928.896”168.3 12.700.50049.2333.086”168.312014.270.56254.7536.796”168.3 15.880.62560.3040.526”168.316018.260.71968.2545.866”168.3 19.050.75070.8547.616”168.3XXS21.950

15、.86480.0253.776”168.3 22.230.87580.8754.348”219.1 4.780.18825.5217.158”219.1 5.160.20327.5018.488”219.1 5.560.21929.5819.88鋼管公稱直徑（英寸與毫米對照表2）8”219.1206.350.25033.6522.618”219.1307.040.27737.1924.998”219.1 7.920.31241.6628.008”219.1STD-408.180.32242.9828.888”219.1 8.740.3

16、4445.8030.788”219.1 9.530.37549.7533.438”219.16010.310.40653.6236.038”219.1 11.130.43857.6638.758”219.1XS-8012.700.50065.3043.888”219.1 14.270.56272.8148.938”219.110015.090.59476.6951.538”219.1 15.880.62580.3154.028”219.112018.260.71991.3661.398”219.1 19.050.75094.9363.798”2

17、19.114020.620.812101.9568.518”219.1XXS22.230.875108.9673.228”219.116023.010.906112.4075.598”219.1 25.401.000122.5682.3610”273.0 4.780.18831.9421.4610”273.0 5.160.20334.4323.1410”273.0 5.560.21937.0424.8910”273.0206.350.25042.1828.3410”273.0 7.090.27946.9731.5610”273.0307.800

18、.30751.5334.6310”273.0 8.740.34457.3438.6610”273.0STD-409.270.36560.9040.9210”273.0 11.130.43872.6148.7910”273.0XS-6012.700.50082.3555.3410”273.0 14.270.56291.9261.8010”273.08015.090.59496.9565.1510”273.0 15.880.625101.7168.3510”273.010018.260.719115.8777.8610”273.0 20.620.8

19、12129.6487.1110”273.012021.440.844134.3590.2810”273.0 22.230.875138.8793.3210”273.0 23.830.938147.9199.3910”273.0XXS-14025.401.000156.66105.2210”273.016028.581.125174.01116.9310”273.0 31.751.250190.81128.2212”323.8206.350.25050.2233.7512”323.8 7.140.28156.3237.8512”323.8 7.9

20、20.31262.3241.8812”323.8308.380.33065.8544.2312”323.8 8.740.34468.6046.1012”323.8STD9.530.37574.6150.1312”323.84010.310.40680.5154.1012”323.8 11.130.43886.6958.2512”323.8XS12.700.50098.4266.1412”323.86014.270.562110.0373.9412”323.8 15.880.625121.8181.8512”323.88017.480.688133.3889.631

21、2”323.8 19.050.75014.6297.1812”323.8 20.620.812155.73104.6512”323.810021.440.844161.48108.5112”323.8 23.830.938178.07119.6512”323.8XXS-12025.401.000188.80126.8712”323.8 26.971.062199.42134.0012”323.814028.581.125210.18141.2312”323.8 31.751.250230.98155.2112”323.816033.321.31

22、2241.10162.0114”355.6106.350.25055.2537.1314”355.6207.920.31268.6046.114”355.6 8.740.34475.5250.7514”355.6STD-309.530.37582.1655.2114”355.6 10.310.40688.6859.5914”355.64011.130.43895.5164.1814”355.6XS12.700.500108.4872.9014”355.6 14.270.562121.3381.5314”355.66015.090.594128.0086.0114”

23、355.68019.050.750159.71107.3214”355.610023.830.938196.94132.3414”355.6 25.401.000208.92140.3914”355.6 26.971.062220.78148.3614”355.612027.791.094226.93152.4914”355.614031.751.250256.13172.1114”355.616035.711.406284.56191.2116”406.4106.350.25063.2842.5216”406.4 7.140.28171.0147.7216”40

24、6.4207.920.31278.6252.8316”406.4 8.740.34486.5858.1816”406.4STD-309.530.35794.2163.3116”406.4 10.310.406101.7268.3616”406.4 11.130.438109.5973.6416”406.4XS-4012.700.500124.5583.6916”406.4 14.270.562139.3993.6716”406.4 15.880.625154.48103.8016”406.46016.660.656161.74108.6916”

25、406.4 17.480.688169.35113.8016”406.4 19.050.750183.81123.5216”406.4 20.620.812198.15133.1516”406.48021.440.844205.60138.1516”406.4 25.401.000241.06161.9816”406.410026.191.031248.05166.6816”406.412030.961.219289.54194.5616”406.4 31.751.250296.31199.1116”406.414036.531.438336.

26、57226.1616”406.416040.491.594369.06247.9918”457207.920.31288.6059.5418”457 8.740.34497.5965.5818”457STD9.530.375106.2371.3818”457 10.310.406114.7277.0918”4573011.130.438123.6283.0718”457XS12.700.500140.5694.4518”4574014.270.562157.38105.7518”457 15.880.625174.50117.2518”457 17.48

27、0.688191.38128.6018”4576019.050.750207.82139.6518”4578023.830.938257.13172.7818”457 25.401.000273.08183.5018”457 26.971.062288.91194.1418”457 28.581.125305.01204.9618”45710029.361.156312.76210.1618”457 30.181.188320.88215.6218”457 31.751.250336.33226.0018”45712034.931.375367

28、.25246.7818”45714039.671.562412.40277.1218”45716045.241.781464.03311.8120”508 8.740.344108.7073.0420”508STD-209.530.375118.3379.5120”508 10.310.406127.8285.8920”508 11.130.438137.7692.5720”508XS-3012.700.500156.70105.320”508 14.270.562175.51117.9420”5084015.090.594185.28124.5020”

29、508 15.880.625194.67130.8120”508 17.480.688213.59143.5320”508 19.050.750232.03155.9220”5086020.620.812250.34168.2220”508 25.401.000305.35205.1820”5088026.191.031314.33211.2220”508 30.181.188359.22241.3820”508 31.751.250376.66253.1020”50810032.541.281385.40258.9720”50812

30、038.101.500445.97299.6720”50814044.451.750513.27344.9020”50816050.011.969570.54383.3822”559 8.740.344119.8080.522”559STD-209.530.375130.4487.6522”559XS-3012.700.500172.83116.1422”559 15.880.625214.84144.3722”559 17.480.688235.79158.4422”559 19.050.750256.23172.1822”559 20.62

31、0.812276.54185.8324”610 8.740.344130.9087.9624”610STD-209.530.375142.5595.7924”610XS12.700.500188.96126.9824”6103014.270.562211.76142.3024”610 15.880.625233.02157.9324”6104017.480.688258.00173.3724”610 19.050.750280.43188.4424”610 20.620.812302.73203.4224”6106024.610.969358.87241

32、.1524”610 25.401.000369.89248.5524”610 26.971.062391.69263.2024”61030.181.188435.90292.9124”6108030.961.219442.86297.5924”61010038.891.531553.26371.7224”61012046.021.812646.52434.4424”61014052.372.062727.45488.8226”660STD9.530.375154.42103.7726”660XS-2012.700.500204.78137.6126”66017.480.68

33、8279.77188.0026”66019.050.750304.15204.3828”711STD9.530.375166.52118.9028”711XS-2012.700.500220.91148.4428”71117.480.688301.98202.9228”71119.050.750328.35220.6430”762STD9.530.375178.63120.0330”762XS-2012.700.500237.05159.2932”813STD9.530.375190.74128.1732”813XS-2012.700.500253.18170.1334”864STD9.530.375202.84136.3034”864XS-2012.700.500269.31180.9736”914STD9.530.375214.71144.2836”914XS-2012.700.500285.13191.6038”965STD9.530.375226.82152.4238”