工业管道sch壁厚等级对照表

1、csh5s、10s、40s、80s用于不锈钢管件。sch5s、10s、40s、80sappliesforstainlesssteel.公称通径nominalpipesize外径outsidediameter公称壁厚tnorminalwallthicknessnpsdndsch5ssch10ssch10sch20shc30sch40sstdsch40sch60sch80sxssch80sch100sch120sch104sch160xxs1/81/43/81/23/46810152010.313.717.121.326.7-1.651.651.241.651.652.112.11-1.732.2

2、42.312.772.871.732.242.312.772.871.732.242.312.772.87-2.413.023.203.733.912.413.023.203.733.912.413.023.203.733.91-4.785.56-7.477.82111/411/222532405033.442.248.360.31.651.651.651.652.772.772.772.77-3.383.563.683.913.383.563.683.913.383.563.683.91-4.554.855.085.544.554.855.085.544.554.855.085.54-6.3

3、59.096.359.707.1410.158.7411.0721/26573.02.113.05-5.165.165.16-7.017.017.01-9.5314.0238088.92.113.05-5.495.495.49-7.627.627.62-11.1315.2431/290101.62.113.05-5.745.745.74-8.088.088.08-45100125114.3141.32.112.773.053.40-6.026.556.026.556.026.55-8.569.538.569.538.569.53-11.1312.70-13.4917.1215.8819.056

4、150168.32.773.40-7.117.117.11-10.9710.9710.97-14.27-18.2621.9581012200250300219.1273.1323.92.773.403.963.764.194.57-6.357.048.186.357.809.276.358.389.538.188.1810.3112.709.279.2712.7012.709.5310.3114.2712.7012.7012.7012.7012.7015.0917.4815.0918.2620.6223.0122.2318.2621.4425.4028.5825.4021.4425.4028.

5、5833.3225.401416350400355.6406.43.964.194.784.786.357.926.357.929.539.53-9.539.5311.1315.0912.7016.66-12.7012.7019.0521.4423.8326.1927.7930.9631.7536.5335.7140.49-18450457.24.194.786.357.9211.13-9.5314.2719.05-12.7023.8329.3634.9339.6745.24-202224500-6005085596104.784.785.545.545.546.356.356.356.359

6、.5312.70-9.5312.70-9.5314.27-9.539.539.5315.0920.62-22.2317.4824.61-12.7012.7012.7026.1928.5830.9632.5438.1044.4550.0134.9341.2847.6353.9838.8946.0252.3759.54-26-660-7.9212.70-9.53-12.70-28700711-7.9212.7015.88-9.53-12.70-30-762-6.357.927.9212.7015.88-9.53-12.70-3234800-813864-7.9212.7015.887.9212.7

7、015.88-9.539.5317.4817.48-12.7012.70-36900914-7.9212.7015.88-9.5319.05-12.70-384042-1000-96510161067-9.539.539.53-12.7012.7012.70-4446481100-12001118116812199.539.539.5312.7012.7012.70-jisb2311、b2312、b2313公称通径nominalpipesizednnps外径outsidediameterd公称壁厚tnorminalwallthicknesssch120sgpsch5ssh10ssch10sch

8、20sch30sch40sstdsch40sch60sch140sch160xxs15201/23/421.727.22.82.81.71.72.12.1-2.82.92.83.72.9sch80ssch1003.93.73.93.73.9-4.85.67.57.825134.03.21.72.8-3.43.44.54.54.5-6.49.1324011/411/242.748.63.53.51.71.72.82.8-3.63.73.63.73.63.7-4.95.14.95.14.9-6.47.19.710.250260.53.81.72.8-3.93.93.9-5.55.55.1-8.71

9、1.15.5658021/2376.389.14.24.22.12.13.0-5.25.55.25.55.25.5-7.07.67.07.67.07.6-9.511.114.015.23.0101.64.22.1-9031/25.75.75.7-8.18.18.1-3.010012545114.3139.84.54.52.12.83.03.4-6.06.66.06.66.06.6-8.69.58.69.58.69.5-11.112.7-13.515.917.119.01506165.25.02.83.4-7.17.17.1-11.011.011.0-14.3-18.221.92008216.3

10、5.82.84.0-6.47.08.28.28.210.312.712.712.715.118.223.022.22503001012267.4318.56.66.93.44.04.04.5-6.46.47.88.49.39.39.312.712.712.79.59.510.314.312.712.715.117.418.321.421.425.420.625.428.633.325.425.428.63504001416355.6406.47.97.94.04.24.84.86.46.47.97.99.59.59.59.59.59.511.112.715.116.7-12.712.719.0

11、21.423.826.227.830.931.836.535.740.5-45018457.27.94.24.86.47.911.19.59.514.319.0-12.723.829.434.939.745.2-5005502022508.0558.87.9-4.84.85.55.56.46.49.59.512.712.79.59.59.59.515.1-20.622.2-12.712.726.228.632.534.938.141.344.447.650.054.0-60024609.6-5.56.46.49.514.39.59.517.524.6-12.731.038.946.052.45

12、9.5-6507002628660.4711.2-7.97.912.712.7-15.9-9.59.5-12.712.7-75030762.0-6.47.97.912.715.99.59.5-12.7-8008509003234812.8863.6914.4-7.912.715.97.912.715.97.912.715.9-9.59.59.517.517.519.0-12.712.712.7-36承插焊管件（一）socketweldingfittingsgb/t14383、sh3410、hg/t21634、asmeb16.11、jisb2316中心至承插孔底centertobottomofs

13、ocket壁厚公称通径nominalpipesize承插孔深度depthofwallthicknessasocketcmin90弯头、三通、四通90elbow、tee、cross45弯头45elbowdnnpsjminsch803000sch1606000xxs9000sch803000sch1606000xxs9000sch803000sch1606000xxs9000681015202532405065801001/81/43/81/23/4111/411/2221/2341010101013131313161616193.23.34.04.55.05.66.36.47.08.910.01

14、0.03.54.04.46.07.08.08.09.011.012.513.8-9.510.011.512.013.014.0-1111141619222732384157671114161922273238415764-252832353854-88811131418212529324188111314182125293235-161921222528-本表列出的为承插焊管件各相同部分尺寸，不同标准规定的接管尺寸及承插孔径d1、流通孔径d2尺寸见承插焊管件的接管外径、承插孔径及流通孔尺寸表。当产品为异径时，流通孔d2的尺寸用异径公称通径相对的d2尺寸、中心至承插孔底的尺寸a与同径管件相同。t

15、heabovelistshowssizesofthesamepartsofswfittings.thesizesofdifferentcodespipes,socketdiameterd1andborediameterd2refertothelistofthepipeoutsidediameter,socketdiameterandborediameterofswfittings.astothereducingfittings,sizeoftheborediameterd2appliestotherelevantsized2ofthereducingnorminalpipesize,sizeo

16、fcentertothebottomofsocketaissametothestraightfittings,承插焊和螺纹活接头unionsofsocket-welding&threadedhg/t21634、msssp-83公称通径nominalpipesize外径enddia壁厚wallthickness螺母厚度nut螺帽每英寸的螺纹扣数球面凸缘threadsper厚度inchmaleflange定位口高度bearin公称装配长度lengthassemnominat结构尺寸layinglength流通孔径boredmincmingminhfminhminled2螺纹承插dnnps承插焊焊s

17、ocketthreadsocket螺纹thread承插焊socket螺纹thread681/81/421.821.814.719.13.23.32.53.13.23.216163.23.21.51.5414121217.410.9103/825.922.93.53.23.5143.51.5462413.915201/23/431.237.127.733.54.14.33.84.03.74.114113.74.11.51.84957242917.522.225145.541.45.04.64.5114.61.9623028.4324011/411/254.961.550.657.25.35.64

18、.95.15.25.610105.45.92.22.37177373836.542.4506580221/2375.291.7109.270.16.185.37.7102.48.35.67.17.76.47.18.010886.67.58.32.73.13.68610210939565953.965.379.9活接头适用于3000及3000以下级别；管件级别代号与管子壁厚等级的关系见后。接管尺寸承插孔径d1、流通孔径d1、流通孔径d2和承插孔深度j与asmeb16.11规定相同。unionsonlyapplietotheclass3000andbelowit;therelationsofpre

19、ssuregradeandschedulerefertohereafter.dimensionsofpipe,socketdiameterd1,borediameterd2andthelengthofthedepthofsocketjaresametorequirementsofasmeb16.11.承插焊管件的接管外径、承插孔径及流通孔径尺寸表listofthepipeoutsidediameter,socketdiameterandborediameterfoswfittingsgb/t14383(a)sh3410gb/t14383(b)、hg/t21634(metric)jisb2316

20、hg/t21634(nps)、asmeb16.11公称通径nominalpipe接管外径孔径size承插pinpesocketdiadia流通孔径boredia接管承插外径孔径pinpesocketdiadia流通孔径boredia接管外径pinpedia承插孔径socketdia流通孔径boredia接管承插外径孔径pinpesocketdiadia流通孔径boredia接管外径pinpedia承插孔径socketdia流通孔径borediad2d2d2d2d2dnnpsdd1dd1dd1dd1dd130006000sch80sch160sch80sch160sch80sch160xxssc

21、h80sch160300060009000681/81/4-10.511.013.814.37.19.4-10.310.914.36.89.24.06.4-103/8-13.7-17.71717.51017.317.812.712.59.1-17.115201/23/421.321.826.927.414.118.912.315.7222722.527.51216711182510.817.09.013.8121.722.227.227.716.121.412.316.221.326.721.927.315.811.820.915.56.411.325133.734.224.721.13434

22、.521163223.09.434.034.527.221.233.434.026.620.715.215192518.525.532.5324011/442.442.911/248.348.832.438.329.8424842.748.8323829342228384538.545.528.035.025.430.942.743.248.649.135.541.229.934.442.248.342.848.935.129.540.934.022.828.050234460.361.149.16060.857.845.839.460.561.152.743.160

23、.352.542.938.242.76521/276.1801003488.9-承插焊管件尺寸的极限偏差tolerancesforsocket-weldingfittngs单承口箍、半公称通径nominalpipesize所有管件所有管件allfittingsallfittings45、90弯头、三通、四通、45斜三通双承口管箍45、90elbows、couplingstees、crosses、laterals管接头、异径插入件half-couplingsbossreducer异径插入件reducerinserts异径插入件reducerinserts活接头（含螺纹）unions(compri

24、isethreadedunions)inserts承插孔径流通孔径中心至承插孔底结构长度结构长度插入端长公称装配长度socketborediacentertobottomoflayinglayinglength度lengthassemdiasocketlength主体外径shanknominalshankdialengthdn6-8nps1/8-1/4d1d2a、h0.8e1.5f0.8sd-sl-l1.510-203/8-3/4+0.300.41.53.01.50.250-1.51.525-501-202.04.02.00.251.5-2.0+0.4065-10021/2-40.82.55.

25、02.50.51.50-2.5不同标准规定的极限偏差可能会略有差异，使用时请查阅原标准。theremaybedifferencesbetweenthetolerancesofthedifferentcodes,andwhenusingpleaserefertotheoriginalcodes.sch160和双加厚管的公称壁厚asmeb16.11nominalwaillthcknessofschedule160anddoubleextrastrongpipeinasmeb16.11公称通径nominalpipesize公称壁厚norminalwallthicknessdn6810nps1/81/

26、43/8sch1603.153.684.01xxs4.836.056.40由于asmeb36.10m未包括dn6、8和10的sch160和xxs的壁厚，表列数值可作为确定额定值时管子的公称壁厚。sinceasmeb36.10mdoesnotincludeschedule160norincludedoubleextrastrongthicknessfordn6,8,and10,thevaluesintablemaybeusedasthenominalwallthincknessesofthepipeforratingpurposes.管件级代号与管子壁厚代号的关系relevanceoffitti

27、ngsclasswithschedulenunberorwalldesignationofpipeforcalculationofratings用作额定计算依据的管子管件级别代号classdesignationfofitting管件连生产建设形式typeoffittingpipeusedforratinbasis管子表号管壁代号200030006000300060009000螺纹threaded螺纹threaded螺纹threaded承插焊socket-welding承插焊socket-welding承插焊socket-weldingscheduleno.80160-80160-walldes

28、ignationxs-xxsxs-xxs本表并未限制使用较薄或较厚壁厚的管子和管件。实际采用的管子公称壁厚可小于或大于本表所示的管子公称壁厚。采用较薄管子时。其强度可支配额定值；采用较厚管子时（例如对机械强度而言），管件的强度支配额定值。thistableisnktintendedtorestricttheuseofpipesandfittingsofthinnerorthickerwall.pipeactuallyusedmaybethinnerorthickerinnominalwallthanthatshownintable.whenthinnerpipeisused,itsstrengthmaygoverntherating.whenthinckerpipeisused(e.g,formechanicalstrength),thestrengthofthefittinggovernstherating.90弯头、三通、四通90elbows、tees、crosses螺纹管件threadedfittingsgb/t1426、asmeb16.1145弯头45elbows所有