工业管道sch壁厚等级对照表

1、C SH5s、10s、40s、80s 用于不锈钢管件。SCH5s、10s、40s、80s applies for stainless steel.公称通径Nominal Pipe Size外径OutsideDiameter公称壁厚TNorminal Wall ThicknessNPSDNDSCH5sSCH10sSCH10SCH20SHC30SCH40sSTDSCH40SCH60SCH80sXSSCH80SCH100SCH120SCH104SCH160XXS1/8610.31.241.731.731.732.412.412.411/4813.71.652.242.242.243.023.023.

2、023/81017.11.652.312.312.313.203.203.201/21521.31.652.112.772.772.773.733.733.734.787.473/42026.71.652.112.872.872.873.913.913.915.567.8212533.41.652.773.383.383.384.554.554.556.359.091 1/43242.21.652.773.563.563.564.854.854.856.359.701 1/24048.31.652.773.683.683.685.085.085.087.1410.1525060.31.652.

3、773.913.913.915.545.545.548.7411.0721/2331/265809073.088.9101.62.112.112.113.053.053.05 5.165.495.745.165.495.745.165.495.74 7.017.628.087.017.628.087.017.628.08 9.5311.1314.0215.244100114.32.113.056.026.026.028.568.568.5611.1313.4917.125125141.32.773.406.556.556.559.539.539.5312.7015.8819.056150168

4、.32.773.407.117.117.1110.9710.9710.9714.2718.2621.958200219.12.773.766.357.048.188.188.1810.3112.7012.7012.7015.0918.2620.6223.0122.2310250273.13.404.196.357.809.279.279.2712.7012.7012.7015.0918.2621.4425.4028.5825.4012300323.93.964.576.358.389.539.5310.3114.2712.7012.7017.4821.4425.4028.5833.3225.4

5、014350355.63.964.786.357.929.539.5311.1315.0912.7019.0523.8327.7931.7535.7116400406.44.194.786.357.929.539.5312.7016.6612.7021.4426.1930.9636.5340.4918450457.24.194.786.357.9211.139.5314.2719.0512.7023.8329.3634.9339.6745.24205005084.785.546.359.5312.709.5315.0920.6212.7026.1932.5438.1044.4550.01225

6、594.785.546.359.5312.709.5322.2312.7028.5834.9341.2847.6353.98246006109.5314.279.5317.4824.6112.7038.8946.0252.3759.545.546.356.3530.96266607.9212.709.5312.70287007117.9212.7015.889.5312.70欢迎下载53307626.357.927.9212.7015.889.5312.70328008137.9212.7015.889.5317.4812.70348647.9212.7015.889.5317.4812.70

7、369009147.9212.7015.889.5319.0512.70389659.5312.7040100010169.5312.704210679.5312.7044110011189.5312.704611689.5312.7048120012199.5312.70JIS B2311、B2312、B2313公称通径Nominal PipeSizeDNNPS公称壁厚TNorminal Wall ThicknessSGPSCH5sSH10sSCH10SCH20SCH30SCH40sSTDSCH40SCH60SCH120SCH140SCH160XXS外径OutsideDiameter1520

8、251/23/4121.727.234.02.82.83.21.71.71.72.12.12.8 2.82.93.42.82.93.4SCH80sSCH1003.73.94.53.73.94.53.73.94.5 4.85.66.47.57.89.13211/442.73.51.72.83.63.63.64.94.96.49.74011/248.63.51.72.83.73.73.75.15.14.97.110.250260.53.81.72.83.93.93.95.55.55.18.711.15.56521/276.34.22.15.25.25.27.07.07.09.514.080389.

9、14.22.13.05.55.55.57.67.67.611.115.29031/2101.64.22.13.05.75.75.78.18.18.13.01004114.34.52.13.06.06.06.08.68.68.611.113.517.11255139.84.52.83.46.66.66.69.59.59.512.715.919.01506165.25.02.83.47.17.17.111.011.011.014.318.221.92008216.35.82.84.06.47.08.28.28.210.312.712.712.715.118.223.022.225010267.46

10、.63.44.06.47.89.39.39.312.712.712.715.118.321.420.628.625.430012318.56.94.04.56.48.49.59.510.314.312.712.717.421.425.425.433.325.428.635014355.67.94.04.86.47.99.59.59.511.115.112.719.023.827.831.835.740016406.47.94.24.86.47.99.59.59.512.716.712.721.426.230.936.540.545018457.27.94.24.86.47.911.19.59.

11、514.319.012.723.829.434.939.745.250020508.07.94.85.56.49.512.79.59.515.120.612.726.232.538.144.450.055022558.84.85.56.49.512.79.59.522.212.728.634.941.347.654.060024609.65.56.46.49.514.39.59.517.524.612.731.038.946.052.459.565026660.47.912.79.512.770028711.27.912.715.99.512.775030762.06.47.97.912.71

12、5.99.59.512.7800812.87.912.715.99.517.512.785032863.67.912.715.99.517.512.790034914.47.912.715.99.519.012.73690*粤兵45*看柒三通四通W* Elb图vEIMwCrMt承插焊管件（一） Socket Welding FittingsGB/T 14383、SH 3410、HG/T 21634、ASME B16.11 、JIS B2316公称通径Nominal Pipe Size承插孔深度Depth ofSocket壁厚Wall Thickness中心至承插孔底Center to Bott

13、om of SocketAC min90 °弯头、三通、四通90 ° Elbow Tee、Cross45 °弯头45° ElbowDNNPSJ minSCH803000SCH1606000XXS9000SCH803000SCH1606000XXS9000SCH803000SCH1606000XXS900068101/81/43/81010103.23.34.03.54.04.4 111114111416 8888811 151/2104.56.09.51619II111316203/4135.07.010.0192228131419251135.68.0

14、11.52227321418213211/4136.38.012.02732351821224011/2136.49.013.0323838212525502167.011.014.03841542529286521/2168.912.5415729328031610.013.85764323510041910.06741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di、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。The above list sho

15、ws sizes of the same parts of SW fittings.The sizes of different codes pipes,socket diameter di and bore diameter d2 refer tothe list of the pipe outside diameter,socket diameter and bore diameter of SW fittings.As to the reducing fittings,size of the bore diameter d2 applies to the relevant size d2

16、 of the reducing norminal pipe size,size of center to the bottom of socket A issame to the straight fittings,承插焊和螺纹活接头Unions of Socket-Welding&ThreadedHG/T 21634、MSS SP-83公称通径Nominal Pipe Size外径End DIA壁厚Wall Thickness螺母厚 度Nut螺帽每英寸 的螺纹扣数Threads Perinch球面凸缘 厚度MaleFlange定位口高 度Bearin公称装配长度Length Ass

17、emNominat结构尺寸Laying Length流通孔径BoreD minC minG minHF minh minLEd2DNNPS承插焊Socket螺纹Thread承插 焊Socket螺纹Thread承插焊Socket螺纹Thread61/821.814.73.22.53.2163.21.541217.481/421.819.13.33.13.2163.21.5412110.9103/825.922.93.53.23.5143.51.5462413.9151/231.227.74.13.83.7143.71.5492417.5203/437.133.54.34.04.1114.11.8

18、572922.225145.541.45.04.64.5114.61.9623028.4321 1/454.950.65.34.95.2105.42.2713736.5401 1/261.557.25.65.15.6105.92.3773842.450275.270.16.15.66.4106.62.7863953.96521/291.785.37.77.17.187.53.11025665.3803109.2102.48.37.78.088.33.61095979.9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di、流通孔径di、流通孔径d2

19、和承插孔深度J与ASME B16.11规定相同。Unions only applie to the class 3000 and below it; the relations of pressure grade and schedule refer to hereafter.Dimensions of pipe,socket diameter d1,bore diameter d2 and the length ofthe depth of socket J are same to requirements of ASME B16.11.承插焊管件的接管外径、承插孔径及流通孔径尺寸表List

20、 of The Pipe Outside Diameter,Socket Diameter and Bore Diameter fo SW Fittings公称通径Nominal PipeSizeGB/T 14383(A)SH 3410GB/T 14383 (B)、HG/T21634(metric)JIS B2316HG/T 21634(NPS)、ASME B16.11接管 外径 Pinpe DIA承插孔径SocketDIA流通孔径Bore DIA接管 外径 Pinpe DIA承插孔径SocketDIA流通孔径Bore DIA接管外径Pinpe DIA承插孔 径Socket DIA流通孔径Bo

21、re DIA接管 外径 PinpeDIA承插孔径SocketDIA流通孔径Bore DIA接管外 径PinpeDIA承插孔径SocketDIA流通孔径Bore DIAd2d2d2d2d2DNNPSDd1SCH80SCH160Dd1SCH80SCH160XXSDD1SCH803000SCH1606000Dd1SCH80SCH160Dd130006000900061/810.511.07.110.96.84.081/413.814.39.410.314.39.26.4103/81717.51017.317.812.713.717.712.59.117.1151/221.321.814.112.32

22、222.51271810.89.0121.722.216.112.321.321.915.811.86.4203/426.927.418.915.72727.516112517.03.8127.227.721.416.226.727.320.915.511.325133.734.224.721.13434.515192521163218.525.532.523.09.434.034.527.221.233.434.026.620.715.23211/442.442.932.44242.73229223838.528.025.442.743.235.529.942.242.835.129.522

23、.84011/248.348.838.329.84848.83834284545.535.030.948.649.141.234.448.348.940.934.028.050260.361.149.134.16060.84943385757.845.839.460.561.152.743.160.361.452.542.938.242.76521/276.180388.91004承插焊管件尺寸的极限偏差Tolerances for Socket-Welding Fittngs公称通径Nominal Pipe Size所有管件All Fittings所有管件All Fittings45

24、76;、90湾头、三通、 四通、45°斜三通45 °、90 ° ElbowsTees、Crosses、Laterals双承口管箍Couplings单承口箍、半 管接头、异径 插入件Half-Couplings BossReducerInserts异径插入 件ReducerInserts异径插入 件ReducerInserts活接头(含螺纹)Unions(compriise threaded unions)承插孔径SocketDIA流通孔径Bore DIA中心至承插孔底Center to Bottom ofSocket结构长度Laying Length结构长度Lay

25、ing Length主体外径ShankDIA插入端长 度ShankLength公称装配长度Length AssemNominalDNNPSd1d2A、HEFSDSLL6-81/8-1/4+0.8+1.5+0.8+1.510-203/8-3/4+0.30+0.4+1.5+3.0+1.5+0.250-1.5+1.525-501-2+2.0+4.0+2.0±0.250-2.0+1.565-10021/2-4+004+0.8+2.5+5.0+2.5+0.50-2.5±1.5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。There may be differences b

26、etween the tolerances of the different codes,and when using please refer to the original codes.SCH160和双加厚管的公称壁厚ASME B16.11Nominal Waill Thckness of Schedule 160 and Double Extra Strong Pipe In ASME B16.11公称通径Nominal Pipe Size公称壁厚Norminal Wall ThicknessDNNPSSCH160XXS61/83.154.8381/43.686.05103/84.016

27、.40由于ASME B36.10M 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。Since ASME B36.10M does not include Schedule 160 nor include double Extra Strong thickness for DN6,8,and 10,the values in table may beused as the nominal wall thincknesses of the pipe for rating purposes.管件级代号与管子壁厚代号的关系Relevance of Fit

28、tings Class with Schedule Nunber or Wall Designation of pipe for Calculation of Ratings管件级别代号管件连生产建设形式用作额定计算依据的管子Pipe Used for Ratin Basisclass designation fo FittingType of Fitting管子表号管壁代号Schedule NO.Wall Designation2000螺纹 Threaded80XS3000螺纹 Threaded1606000螺纹 ThreadedXXS3000承插焊 Socket-Welding80XS60

29、00承插焊 Socket-Welding1609000承插焊 Socket-WeldingXXS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。This table is nkt intended to restrict the use of pipes and fittings of thinner or thicker wall.Pipe actually used may be thinner or thicker in nominal w

30、all than that shown in Table. When thinner pipe is used,its strength may govern the rating.When thincker pipe is used(e.g,formechanical strength),the strength of the fitting governs the rating.螺纹管件 Threaded FittingsGB/T 1426 、ASME B16.11公称通径Nominal Pipe Size90 °弯头、三通、四通90 ° Elbows Tees、Cro

31、sses45。弯头45° Elbows所有管件All Fittings中心至端面Center to End中心至端面Center to End端部外径Outside Diameter of Band最小壁厚Minimum Wall Thickness螺纹长度Length of Thread MinAGDCDNNPSSCH802000SCH1603000XXS6000SCH802000SCH1603000XXS6000SCH802000SCH1603000XXS6000SCH802000SCH1603000XXS6000BL2222225333846566275921091466810

32、1/81/43/8212125212528252833171719171922192225151/2283338222528203/43338442528332513844512833353211/444513335434011/2516060354344502606464434452836521/27683955252648038695106646479100410611411479797922253.183.186.356.46.725333.183.306.608.110.233383.183.516.989.110.438463.184.098.1510.913.646563.184.

33、328.5312.713.956623.684.989.9314.717.362753.895.2810.5917.018.075844.015.5611.0717.818.4841024.277.1412.0919.019.21021215.617.6515.2923.628.91211465.998.8416.6425.930.51521526.5511.1818.6727.733.0芈置接头 3ocs取接口膏施单接口区塔螺纹管件 Threaded FittingsGB/T 1426 、ASME B16.11公称通径Nominal Pipe Size管箍、半管接头Couplings、Bos

34、s管帽Caps所有管件All Fittings端面至端面End to End端面至端面End to End底部壁厚End Wall Thickness外径Outside Diameter螺纹长度Length of Thread MinEFC minDDNNPSSCH160、XXS3000、6000SCH1603000XXSSCH1603000XXS6000SCH1603000XXS6000BL2600061/832194.816226.46.781/43525274.86.419258.110.2103/83825274.86.422329.110.4151/24832336.47.92838

35、10.913.6203/45137386.47.9354412.713.92516041439.711.2445714.717.33211/46744469.711.2576417.018.04011/279444811.212.7647617.818.450286485112.715.7769219.019.26521/292606415.719.09210823.628.9803108656819.022.410812725.930.51004121687522.428.414015927.733.0方头膏床六角头管慧圆共管塞 六角釜内外婢独接头无头内外媒蚊接兴以g1 Pfcjg；I&qu

36、ot;11frM Hwd PM(j-Royrtd 1bH钢I 刖百吊“Hax H<ad Blush啊j；Pkish Bushi”螺纹管件 Threaded FittingsGB/T 1426 、ASME B16.11公称通径Nominal Pipe Size长度Length方头管塞Square Head Plugs圆头管塞Round Head Plugs六角头管塞和内外螺纹接头Hex Plugs and Bushings方头高度Height of Square对边宽度Width Flats头部直径NominalDiameter ofHead长度Length对边宽度Width Flats

37、(Nominal)六角头高度Hex HeighDNNPSL2 minB minC minDL minSK minH min161/81067103511681/41161014411636103/81381118411848151/214101421442258203/41611162744276102511913213351366103211/4211424437144011/221162848514681650222183260515091864656521/2271973707510198032821368970901021100432254114476115132565螺比试管件中的螺纹型式为GB/T 12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT;如采用其它型式的螺纹请在订货时注明。The standards and codes of the threaded fittings is conical threaded NPT angle 60° of GB/T 12716(ANSI/AS