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1、无缝钢管标准公称壁厚表|合金钢管公称通径公称通径外径公称壁厚TNorminalWallThicknessNominalPipeSizeOutsideDiameterNPSDNASTMJISDINJISDINSCH5sSCH10sSCH10SCH20SHC30SCH40sSTDSCH40SCH60SCH80sXSSCH80SCH100SCH120SCH140SCH160XXS1/8610.3-1.24-1.731.731.73-2.412.412.41-1/4813.7-1.65-2.242.242.24-3.023.023.02-3/81017.1-1.65-2.312.312.31-3.23
2、.23.2-1/21521.321.721.32.82.01.652.11-2.772.772.77-3.733.733.73-4.787.473/42026.727.226.92.82.31.652.11-2.872.872.87-3.913.913.91-5.567.821 2533.434.033.73.22.61.652.77-3.383.383.38-4.554.554.55-6.359.0911/43242.242.742.43.52.61.652.77-3.563.563.56-4.854.854.85-6.359.711/24048.348.648.33.52.61.652.7
3、7-3.683.683.68-5.085.085.08-7.1410.152 5060.360.560.33.82.91.652.77-3.913.913.91-5.545.545.54-8.7411.0721/2657376.376.14.22.92.113.05-5.165.165.16-7.017.017.01-9.5314.023 8088.989.188.94.23.22.113.05-5.495.495.49-7.627.627.62-11.1315.2431/290101.6101.64.22.113.05-5.745.745.74-8.088.088.08-4 100114.3
4、114.3114.34.53.62.113.05-6.026.026.02-8.568.568.56-11.13-13.4917.125 125141.3139.8139.74.54.02.773.4-6.556.556.55-9.539.539.53-12.7-15.8819.056 150168.3165.2168.35.04.52.773.4-7.117.117.11-10.9710.9710.97-14.27-18.2621.958 200219.1216.3219.15.86.32.773.76-6.357.048.188.188.1810.3112.712.712.715.0918
5、.2620.6223.0122.23250273.1267.4273.06.66.33.44.19-6.357.89.279.279.2712.712.712.715.0918.2621.4425.428.5825.412 300323.9318.5323.96.97.13.964.57-6.358.389.539.5310.3114.2712.712.717.4821.4425.428.5833.3225.414 350355.6355.6355.67.98.03.964.786.357.929.53-9.5311.1315.09-12.719.0523.8327.7931.7535.71-
6、16 400406.4406.4406.47.98.84.194.786.357.929.53-9.5312.716.66-12.721.4426.1930.9636.5340.49-18 450457.2457.07.910.04.194.786.357.9211.13-9.5314.2719.05-12.723.8329.3634.9339.6745.24-20 500508508.0508.07.911.04.785.546.359.5312.7-9.5315.0920.62-12.726.1932.5438.144.4550.01-22 -559558.84.785.546.359.5
7、312.7-9.53-22.23-12.728.5834.9341.2847.6353.98-24 600610609.6610.012.55.546.356.359.5314.27-9.5317.4824.61-12.730.9638.8946.0252.3759.54-26 -660660.4-7.9212.7-9.53-12.7-28 700711711.2711.012.5-7.9212.715.88-9.53-12.7-30 -762762.06.357.927.9212.715.88-9.53-12.7-32 800813812.8813.012.5-7.9212.715.88-9
8、.5317.48-12.7-34 -864863.6-7.9212.715.88-9.5317.48-12.7-36 900914914.4914.012.5-7.9212.715.88-9.5319.05-12.7-38 -965965.2-9.53-12.7-40 100010161016.01016.012.5-9.53-12.7-42 -10671066.8-9.53-12.7-44 110011181117.6-9.53-12.7-46 -11681168.4-9.53-12.7-48 120012191219.21220.0-9.53-12.7-52 13001321-9.53-1
9、2.7-56 14001422-9.53-12.7-60 15001524-9.53-12.7-64 16001626-9.53-12.7-68 17001727-12.7-72 18001829-12.7-76 19001930-12.7-80 20002032-14.27-无缝钢管重量计算的公式在不同尺度中所表示的方法各不相同。主要有三种表示方法:(1):钢的密度为1.85kg/dm2,钢管每米重量的计算公式为:(1)以管子表号(Sch)表示:W(kg/m)=0.02466*壁厚*(外径-壁厚)对于碳无缝钢管壁厚有:Sch10、20、30、40、60、80、100、120、140、160等
10、10个等级(2):不锈钢管每米重量的计算公式:(若数字后面加S,表示不锈无缝钢管);W(kg/m)=0.02491*壁厚*(外径壁厚)对于不锈钢壁厚系列有:5S、10S、40S、80S四个等级(3):厚壁钢管的计算方式:(2)以管子重量表示,如STD(尺度重量),XS(加厚管),XXS(特厚管)W(kg/m)=边长*4*厚度*0.00785(3)以无缝钢管壁厚尺寸表示,即“管外径壁厚”,如89X4钢管的规格有几个因素确定:1钢管的工程直径,对应有两种表示方法,公制和英制。公制管用DN来表示,像你所说的,DN50的钢管外径是57毫米。英制管用英寸来表示2钢管的外径是60.3毫米。公制管与英制管有
11、一个对应关系如下:NPS-DN1/2-153/4-201-2511/4-3211/2-402-5021/2-653-804-100当NPS4时,DN=25(NPS)两种规格的管子可以通过法兰进行连接。2使用压力。使用压力决定了壁厚得选取。选择太薄的管子,强度不能达到使用要求,选用太厚的管子又浪费。公制管用X多少毫米来表示壁厚,英制管用SCH10、SCH20等来表示。至于多粗的管子在多大的实用压力下选用哪种规格的壁厚,可以从管子壁厚规格表中查到,在工艺设计手册中有。公称通径是管路系统中所有管路附件用数字表示的尺寸,公称通径是供参考用的一个方便的圆整数,与加工尺寸仅呈不严格的关系。公称通径用字母“
12、DN”后面紧跟一个数字标志。公称通径(nominaldiameter),又称平均外径(meanoutsidediameter)。这是缘自金属管的管璧很薄,管外径与管内径相差无几,所以取管的外径与管的内径之平均值当作管径称呼。DN是公称通径,公称通径(或叫公称直径),就是各种管子与管路附件的通用口径。同一公称直径的管子与管路附件均能相互连接,具有互换性.它不是实际意义上的管道外径或内径,虽然其数值跟管道内径较为接近或相等;为了使管子、管件连接尺寸统一,采用公称直径(也称公称口径、公称通径)。例如焊接钢管按厚度可分为薄壁钢管、普通钢管和加厚钢管。其公称直径不是外径,也不是内径,而是近似普通钢管内径
13、的一个名义尺寸。每一公称直径,对应一个外径,其内径数值随厚度不同而不同。公称直径可用公制mm表示,也可用英制in表示。管路附件也用公称直径表示,意义同有缝管。外径 壁厚 重量英寸 毫米. 单位 毫米. 英寸. 公斤/米. 磅/英尺. 1/8”10.3 10S1.240.0490.280.19 1/8”10.3 STD-401.730.0680.370.25 1/8”10.3 XS-802.410.0950.480.32 1/4”13.7 10S1.650.0650.50.34 1/4”13.7 STD-402.240.0880.640.43 1/4”13.7 XS-803.020.1190.8
14、10.55 3/8”17.1 10S1.650.0650.640.43 3/8”17.1 STD-402.310.0910.850.57 3/8”17.1 XS-803.20.1261.110.75 1/2”21.3 5S1.050.0420.530.36 1/2”21.3 10S2.110.0831.010.68 1/2”21.3 STD-402.770.1091.280.86 1/2”21.3 XS-803.730.1471.631.1 1/2”21.31604.780.1881.971.33 1/2”21.3 XXS7.470.2942.571.73 3/4”26.7 5S1.650.0
15、651.030.69 3/4”26.7 10S2.110.0831.290.87 3/4”26.7 STD-402.870.1131.71.14 3/4”26.7 XS-803.910.1542.221.49 3/4”26.71605.560.2192.931.97 3/4”26.7 XXS7.820.3083.682.48 1”33.4 5S1.650.0651.310.88 1”33.4 10S2.770.1092.121.42 1”33.4 STD-403.380.1332.531.7 1”33.4 XS-804.550.1793.272.18 1”33.41606.350.254.28
16、2.88 1”33.4 XXS9.090.3585.513.71 1 1/4”42.2 5S1.650.0651.671.12 1 1/4”42.2 10S2.770.1092.721.83 1 1/4”42.2 STD-403.560.143.432.31 1 1/4”42.2 XS-804.850.1914.513.03 1 1/4”42.21606.350.255.673.81 1 1/4”42.2 XXS9.70.3827.855.28 1 1/2”48.3 5S1.650.0651.921.29 1 1/2”48.3 10S2.770.1093.142.11 1 1/2”48.3 S
17、TD-403.680.1454.092.75 1 1/2”48.3 XS-805.080.25.473.68 1 1/2”48.31607.140.2817.324.92 1 1/2”48.3 XXS10.150.49.656.49 2”60.3 5S1.650.0652.411.62 2”60.32.110.0833.062.06 2”60.3 10S2.770.1093.972.67 2”60.33.180.1254.523.04 2”60.3 STD-403.910.1545.493.69 2”60.3 XS-805.540.2187.565.08 2”60.31608.740.3441
18、1.237.55 2”60.3 XXS11.070.43613.589.13 2 1/2”73 5S2.110.0833.732.51 2 1/2”73 10S3.050.125.323.57 2 1/2”73304.780.1888.125.46 2 1/2”73 STD-405.160.2038.725.86 2 1/2”73 XS-807.010.27611.527.74 2 1/2”731609.530.37515.0810.14 2 1/2”73 XXS14.020.55220.613.84 3”88.9 5S2.110.0834.563.07 3”88.9 2.770.1095.9
19、54 3”88.9 10S3.050.126.524.38 3”88.9 3.180.1256.794.56 3”88.9 3.580.1417.615.12 3”88.9 3.960.1568.385.63 3”88.9 STD-405.490.21611.417.67 3”88.9 XS-807.620.315.4310.37 3”88.916011.130.43821.5614.49 3”88.9 XXS15.240.627.9618.79 3 1/2”101.6 5S2.110.0835.233.52 3 1/2”101.6 10S3.050.127.495.03 3 1/2”101.
20、6304.780.18811.537.75 3 1/2”101.6 STD-405.740.22613.719.21 3 1/2”101.6 XS-808.080.31818.8312.65 4”114.3 5S2.110.0835.93.97 4”114.3 10S3.050.128.465.68 4”114.3 3.180.1258.815.92 4”114.3 3.960.15610.897.32 4”114.3 4.370.17211.978.05 4”114.3 4.780.18813.048.76 4”114.3 5.160.20314.039.43 4”114.3 5.560.2
21、1915.0610.62 4”114.3 STD-406.020.23716.2410.91 4”114.3 6.350.2517.0811.48 4”114.3 7.140.28119.0612.81 4”114.3 7.920.31220.9914.11 4”114.3 XS-808.560.33722.5515.15 4”114.312011.130.43828.6119.23 4”114.316013.490.53133.8822.77 4”114.3 XXS17.120.67441.4527.85 5”141.3 3.960.15613.559.11 5”141.3 4.780.18
22、816.2610.93 5”141.3 5.560.21918.812.63 5”141.3 STD-406.550.25821.9914.78 5”141.3 7.140.28123.8616.04 5”141.3 7.920.31226.3217.69 5”141.3 XS-809.530.37531.2821.02 5”141.312012.70.540.6927.34 5”141.316015.880.62549.6233.34 5”141.3 XXS19.050.7558.0138.98 6”168.3 4.370.17217.8411.99 6”168.3 4.780.18819.
23、4713.09 6”168.3 5.160.20320.9714.09 6”168.3 5.560.21922.5415.15 6”168.3 6.350.2525.6217.22 6”168.3 STD-407.110.2828.5519.19 6”168.3 7.920.31231.6421.26 6”168.3 8.740.34434.7423.35 6”168.3 9.530.37537.6925.33 6”168.3 XS-8010.970.43242.9928.89 6”168.3 12.70.549.2333.08 6”168.312014.270.56254.7536.79 6
24、”168.3 15.880.62560.340.52 6”168.316018.260.71968.2545.86 6”168.3 19.050.7570.8547.61 6”168.3 XXS21.950.86480.0253.77 6”168.3 22.230.87580.8754.34 8”219.1 4.780.18825.5217.15 8”219.1 5.160.20327.518.48 8”219.1 5.560.21929.5819.88 8”219.1206.350.2533.6522.61 8”219.1307.040.27737.1924.99 8”219.1 7.920
25、.31241.6628 8”219.1 STD-408.180.32242.9828.88 8”219.1 8.740.34445.830.78 8”219.1 9.530.37549.7533.43 8”219.16010.310.40653.6236.03 8”219.1 11.130.43857.6638.75 8”219.1 XS-8012.70.565.343.88 8”219.1 14.270.56272.8148.93 8”219.110015.090.59476.6951.53 8”219.1 15.880.62580.3154.02 8”219.112018.260.7199
26、1.3661.39 8”219.1 19.050.7594.9363.79 8”219.114020.620.812101.9568.51 8”219.1 XXS22.230.875108.9673.22 8”219.116023.010.906112.475.59 8”219.1 25.41122.5682.36 10”273 4.780.18831.9421.46 10”273 5.160.20334.4323.14 10”273 5.560.21937.0424.89 10”273206.350.2542.1828.34 10”273 7.090.27946.9731.56 10”273
27、307.80.30751.5334.63 10”273 8.740.34457.3438.66 10”273 STD-409.270.36560.940.92 10”273 11.130.43872.6148.79 10”273 XS-6012.70.582.3555.34 10”273 14.270.56291.9261.8 10”2738015.090.59496.9565.15 10”273 15.880.625101.7168.35 10”27310018.260.719115.8777.86 10”273 20.620.812129.6487.11 10”27312021.440.8
28、44134.3590.28 10”273 22.230.875138.8793.32 10”273 23.830.938147.9199.39 10”273 XXS-14025.41156.66105.22 10”27316028.581.125174.01116.93 10”273 31.751.25190.81128.22 12”323.8206.350.2550.2233.75 12”323.8 7.140.28156.3237.85 12”323.8 7.920.31262.3241.88 12”323.8308.380.3365.8544.23 12”323.8 8.740.3446
29、8.646.1 12”323.8 STD9.530.37574.6150.13 12”323.84010.310.40680.5154.1 12”323.8 11.130.43886.6958.25 12”323.8 XS12.70.598.4266.14 12”323.86014.270.562110.0373.94 12”323.8 15.880.625121.8181.85 12”323.88017.480.688133.3889.63 12”323.8 19.050.7514.6297.18 12”323.8 20.620.812155.73104.65 12”323.810021.4
30、40.844161.48108.51 12”323.8 23.830.938178.07119.65 12”323.8 XXS-12025.41188.8126.87 12”323.8 26.971.062199.42134 12”323.814028.581.125210.18141.23 12”323.8 31.751.25230.98155.21 12”323.816033.321.312241.1162.01 14”355.6106.350.2555.2537.13 14”355.6207.920.31268.646.1 14”355.6 8.740.34475.5250.75 14”
31、355.6 STD-309.530.37582.1655.21 14”355.6 10.310.40688.6859.59 14”355.64011.130.43895.5164.18 14”355.6 XS12.70.5108.4872.9 14”355.6 14.270.562121.3381.53 14”355.66015.090.59412886.01 14”355.68019.050.75159.71107.32 14”355.610023.830.938196.94132.34 14”355.6 25.41208.92140.39 14”355.6 26.971.062220.78
32、148.36 14”355.612027.791.094226.93152.49 14”355.614031.751.25256.13172.11 14”355.616035.711.406284.56191.21 16”406.4106.350.2563.2842.52 16”406.4 7.140.28171.0147.72 16”406.4207.920.31278.6252.83 16”406.4 8.740.34486.5858.18 16”406.4 STD-309.530.35794.2163.31 16”406.4 10.310.406101.7268.36 16”406.4
33、11.130.438109.5973.64 16”406.4 XS-4012.70.5124.5583.69 16”406.4 14.270.562139.3993.67 16”406.4 15.880.625154.48103.8 16”406.46016.660.656161.74108.69 16”406.4 17.480.688169.35113.8 16”406.4 19.050.75183.81123.52 16”406.4 20.620.812198.15133.15 16”406.48021.440.844205.6138.15 16”406.4 25.41241.06161.
34、98 16”406.410026.191.031248.05166.68 16”406.412030.961.219289.54194.56 16”406.431.751.25296.31199.11 16”406.414036.531.438336.57226.16 16”406.416040.491.594369.06247.99 18”457207.920.31288.659.54 18”457 8.740.34497.5965.58 18”457 STD9.530.375106.2371.38 18”457 10.310.406114.7277.09 18”4573011.130.43
35、8123.6283.07 18”457 XS12.70.5140.5694.45 18”4574014.270.562157.38105.75 18”457 15.880.625174.5117.25 18”45717.480.688191.38128.6 18”4576019.050.75207.82139.65 18”4578023.830.938257.13172.78 18”457 25.41273.08183.5 18”457 26.971.062288.91194.14 18”457 28.581.125305.01204.96 18”45710029.361.156312.762
36、10.16 18”45730.181.188320.88215.62 18”457 31.751.25336.33226 18”45712034.931.375367.25246.78 18”45714039.671.562412.4277.12 18”45716045.241.781464.03311.81 20”508 8.740.344108.773.04 20”508 STD-209.530.375118.3379.51 20”50810.310.406127.8285.89 20”508 11.130.438137.7692.57 20”508 XS-3012.70.5156.710
37、5.3 20”508 14.270.562175.51117.94 20”5084015.090.594185.28124.5 20”50815.880.625194.67130.81 20”50817.480.688213.59143.53 20”50819.050.75232.03155.92 20”5086020.620.812250.34168.22 20”50825.41305.35205.18 20”5088026.191.031314.33211.22 20”508 30.181.188359.22241.38 20”50831.751.25376.66253.1 20”5081
38、0032.541.281385.4258.97 20”50812038.11.5445.97299.67 20”50814044.451.75513.27344.9 20”50816050.011.969570.54383.38 22”5598.740.344119.880.5 22”559 STD-209.530.375130.4487.65 22”559 XS-3012.70.5172.83116.14 22”559 15.880.625214.84144.37 22”559 17.480.688235.79158.44 22”559 19.050.75256.23172.18 22”55
39、920.620.812276.54185.83 24”610 8.740.344130.987.96 24”610 STD-209.530.375142.5595.79 24”610 XS12.70.5188.96126.98 24”6103014.270.562211.76142.3 24”61015.880.625233.02157.93 24”6104017.480.688258173.37 24”610 19.050.75280.43188.44 24”61020.620.812302.73203.42 24”6106024.610.969358.87241.15 24”61025.4
40、1369.89248.55 24”61026.971.062391.69263.2 24”61030.181.188435.9292.91 24”6108030.961.219442.86297.59 24”61010038.891.531553.26371.72 24”61012046.021.812646.52434.44 24”61014052.372.062727.45488.82 26”660 STD9.530.375154.42103.77 26”660 XS-2012.70.5204.78137.61 26”66017.480.688279.77188 26”66019.050.
41、75304.15204.38 28”711 STD9.530.375166.52118.9 28”711 XS-2012.70.5220.91148.44 28”71117.480.688301.98202.92 28”711 19.050.75328.35220.64 30”762 STD9.530.375178.63120.03 30”762 XS-2012.70.5237.05159.29 32”813 STD9.530.375190.74128.17 32”813 XS-2012.70.5253.18170.13 34”864 STD9.530.375202.84136.3 34”86
42、4 XS-2012.70.5269.31180.97 36”914 STD9.530.375214.71144.28 36”914 XS-2012.70.5285.13191.6 38”965 STD9.530.375226.82152.42 38”965 XS12.70.5301.27202.44 40”1016 STD9.530.375238.93160.55 40”1016 XS12.70.5317.4213.28 42”1067 STD9.530.375251.04168.69 42”1067 XS12.70.5333.54224.13 44”1118 STD9.530.375263.
43、14176.82 44”1118 XS12.70.5349.67234.92 46”1168 STD9.530.375275.01184.8 46”1168 XS12.70.5365.49245.59 48”1219 STD9.530.375287.12192.93 48”1219 XS12.70.5381.62256.43 52”1321 STD9.530.375311.33209.2 52”1321 XS12.70.5413.89278.12 56”1422 STD9.530.375335.31225.32 56”1422 XS12.70.5445.84299.59 60”1524 STD
44、9.530.375359.52241.5 60”1524 XS12.70.5478.11321.27 64”1626 STD9.530.375383.74257.86 64”1626 XS12.70.5510.38342.96 68”1727 XS12.70.5542.33364.43 72”1829 XS12.70.5574.6386.11 76”1930 XS12.70.5606.55407.58 80”2032 XS14.270.562717.23481.95 美美标标(ASTM)(ASTM)、日日标标(JIS)(JIS)、德德标标(DIN)(DIN) 钢钢管管外外径径与与壁壁厚厚 mm
45、mmSteel pipe out diameter(OD) and wall thickness(WT) standard (Germany, USA, Japan)NOMINALPIPE SIZEOUTSIDEDIAMETERNOMINAL WALL THICKNESSABASMEJISDINJIS(1) DIN(2)SCH10SCH20SCH30STDSCH40SCH60151/221.321.721.32.82.02.112.412.77 203/426.727.226.92.82.32.112.412.872.8725133.434.033.73.22.62.772.903.383.3
46、8321.1/442.242.742.43.52.62.772.973.563.56401.1/248.348.648.33.52.62.773.183.683.6850260.360.560.33.82.92.773.183.913.91652.1/273.076.376.14.22.93.054.785.165.1680388.989.188.94.23.23.054.785.495.49903.1/2 101.6101.64.23.054.785.745.741004114.3114.3114.34.53.63.054.786.026.021255141.3139.8139.74.54.03.406.556.551506168.3165.2168.35.04.53.404.507.117.112008219.1216.3219.15.86.33.766.357.048.188.1810.3125010273.0267.4273.06.66.34.196.357.809.279.2712.703001
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