sch壁厚等级对照表

1、公称通径Nominal Pipe Size外径Outside Diameter公称壁厚TNorminal Wall ThicknessNPSBNDSCH5sSCH10sSCH10SCH20SHC30SCH40sSTDSCH40SCH60SCH80sXSSCH80SCH100SCH120SCH104SCH160XXS1/81/43/8 6810 10.313.717.1 -1.241.651.65 -1.732.242.31 1.732.242.311.732.242.31 -2.413.023.20 2.413.023.20 2.413.023.20 -1/23/41 152025 21.32

2、6.733.41.651.651.65 2.112.112.77 -2.772.873.38 2.772.873.38 2.772.873.38 -3.733.914.55 3.733.914.55 3.733.914.55 -4.785.566.35 7.477.829.09 11/411/22324050 42.248.360.3 1.651.651.652.772.772.77 -3.563.683.91 3.563.683.91 3.563.683.91 -4.855.085.54 4.855.085.54 4.855.085.54 -6.357.148.74 9.7010.1511.

3、07 21/2331/2 658090 73.088.9101.62.112.112.11 3.053.053.05 -5.165.495.74 5.165.495.74 5.165.495.74-7.017.628.08 7.017.628.08 7.017.628.08 -9.5311.13- 14.0215.24- 456 100125150 114.3141.3168.32.112.772.77 3.053.403.40 -6.026.557.11 6.026.557.11 6.026.557.11 -8.569.5310.97 8.569.5310.97 8.569.5310.97

4、-11.1312.7014.27 -13.4915.8818.26 17.1219.0521.95 81012 200250300 219.1273.1323.9 2.773.403.96 3.764.194.57 -6.356.356.35 7.047.808.38 8.189.279.53 8.189.279.53 8.189.2710.31 10.3112.7014.27 12.7012.7012.70 12.7012.7012.70 12.7015.0917.48 15.0918.2621.44 18.2621.4425.40 20.6225.4028.58 23.0128.5833.

5、32 22.2325.4025.40 141618 350400450 355.6406.4457.2 3.964.194.194.784.784.78 6.356.356.35 7.927.927.92 9.539.5311.13 -9.539.539.53 11.1312.7014.2715.0916.6619.05 -12.7012.7012.7019.0521.4423.83 23.8326.1929.3627.7930.9634.93 31.7536.5339.67 35.7140.4945.24 -202224 500-600 508559610 4.784.785.54 5.54

6、5.546.356.356.356.35 9.539.539.53 12.7012.7014.27 -9.539.539.5315.09-17.4820.6222.2324.61 -12.7012.7012.7026.1928.5830.9632.5434.9338.89 38.1041.2846.02 44.4547.6352.37 50.0153.9859.54 -262830 -700- 660711762 -6.35 -7.92 7.927.927.92 12.7012.7012.70 -15.8815.88 -9.539.539.53-12.7012.7012.70-323436 8

7、00-900 813864914 -7.927.927.92 12.7012.7012.70 15.8815.8815.88 -9.539.539.5317.4817.4819.05 -12.7012.7012.70-384042-1000- 96510161067 -9.539.539.53-12.7012.7012.70-444648 1100-1200 111811681219 9.539.539.5312.7012.7012.70-CSH5s、10s、40s、80s用于不锈钢管件。SCH5s、10s、40s、80s applies for stainless steel.JIS B23

8、11、B2312、B2313公称通径Nominal Pipe Size外径Outside Diameter公称壁厚TNorminal Wall ThicknessDNNPSDSGPSCH5sSH10sSCH10SCH20SCH30SCH40sSTDSCH40SCH60SCH120SCH140SCH160XXS152025 1/23/41 21.727.234.02.82.83.2 1.71.71.7 2.12.12.8 -2.82.93.4 2.82.93.4 SCH80sSCH1003.73.94.53.73.94.5 3.73.94.5-4.85.66.4 7.57.89.1 324050

9、 11/411/22 42.748.660.5 3.53.53.8 1.71.71.7 2.82.82.8 -3.63.73.9 3.63.73.9 3.63.73.9-4.95.15.5 4.95.15.5 4.95.15.5-6.47.18.7 9.710.211.1 658090 21/2331/276.389.1101.6 4.24.24.2 2.12.12.13.03.03.0-5.25.55.7 5.25.55.7 5.25.55.7 -7.07.68.1 7.07.68.1 7.07.68.1-9.511.1- 14.015.2- 100125150 456114.3139.81

10、65.2 4.54.55.0 2.12.82.8 3.03.43.4 -6.06.67.1 6.06.67.1 6.06.67.1 -8.69.511.0 8.69.511.0 8.69.511.0 -11.112.714.3 -13.515.918.2 17.119.021.9 200250300 81012 216.3267.4318.5 5.86.66.9 2.83.44.0 4.04.04.5 -6.46.46.4 7.07.88.4 8.29.39.5 8.29.39.5 8.29.310.3 10.312.714.3 12.712.712.7 12.712.712.712.715.

11、117.415.118.321.418.221.425.4 20.625.428.623.028.633.3 22.225.425.4 350400450141618 355.6406.4457.2 7.97.97.9 4.04.24.2 4.84.84.8 6.46.46.4 7.97.97.99.59.511.1 9.59.59.5 9.59.59.5 11.112.714.3 15.116.719.0 -12.712.712.719.021.423.823.826.229.4 27.830.934.9 31.836.539.7 35.740.545.2 -500550600 202224

12、 508.0558.8609.6 7.9- 4.84.85.5 5.55.56.4 6.46.46.4 9.59.59.512.712.714.3 9.59.59.5 9.59.59.5 15.1-17.5 20.622.224.6 -12.712.712.726.228.631.0 32.534.938.9 38.141.346.0 44.447.652.450.054.059.5 -650700750262830 660.4711.2762.0 - -6.4-7.9 7.97.97.9 12.712.712.7 -15.915.9 -9.59.59.59.5-12.712.712.7-80

13、0850900 323436812.8863.6914.4- -7.97.97.9 12.712.712.7 15.915.915.9 -9.59.59.517.517.519.0 -12.712.712.7-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 of Socket壁厚Wall Thickness中心至承插孔底Center to Bottom of SocketAC min90弯头、三通、四通90Elbo

14、w、Tee、Cross45弯头45ElbowDNNPSJ minSCH803000 SCH1606000 XXS9000 SCH803000 SCH1606000 XXS9000 SCH803000SCH1606000 XXS9000 6810 1/81/43/8 1010103.23.34.0 3.54.04.4- 111114 111416 - 8888811 - 152025 1/23/41 101313 4.55.05.6 6.07.08.0 9.510.011.5 161922 192227 252832 111314 131418161921 324050 11/411/22 13

15、1316 6.36.47.0 8.09.011.012.013.014.0 273238 323841 353854 182125 212529222528 6580100 21/234 1616198.910.010.0 12.513.8- - 415767 5764- - 293241 3235- - 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。The above list shows sizes

16、 of the same parts of SW fittings.The sizes of different codes pipes,socket diameter d1 and bore diameter d2 refer to the 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 of the

17、 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 Per inch球面凸缘厚度MaleFlange 定位口高度Bearin 公称装配长度Length Assem Nominat

18、结构尺寸Laying Length流通孔径Bore D 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Thread6810 1/81/43/8 21.821.825.914.719.122.9 3.23.33.5 2.53.13.2 3.23.23.5 161614 3.23.23.5 1.51.51.5 414146 212124 7.410.913.9 152025 1/23/41 31.237.145.5 27.733.541.4 4.14.35.0 3.84.04.6 3.7

19、4.14.5 141111 3.74.14.6 1.51.81.9 495762 242930 17.522.228.4 324050 11/411/22 54.961.575.2 50.657.270.1 5.35.66.1 4.95.15.6 5.25.66.4 101010 5.45.96.6 2.22.32.7717786 373839 36.542.453.9 658021/2391.7109.285.3102.4 7.78.3 7.17.7 7.18.0 887.58.33.13.61021095659 65.379.9 活接头适用于3000及3000以下级别；管件级别代号与管子壁

20、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

21、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 of The Pipe Outside Diameter,Socket Diameter and Bore Diameter fo SW Fittings 公称通径Nominal Pipe SizeGB/T 14383(A)SH 3410GB/T 14383 (B)、HG/T 21634(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 DI

22、A接管外径Pipe 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SocketDIA流通孔径Bore DIADNNPSDd1d2Dd1d2DD1d2Dd1d2Dd1d2SCH80SCH160SCH80SCH160XXSSCH803000 SCH1606000 SCH80SCH1603000600090006810 1/81/43/8 - - - -17 -17.5 -10 - -10.513.817.3 11.014.317.8 7.19.412.7 - 10.313.717

23、.110.914.317.7 6.89.212.5 4.06.49.1 - 152025 1/23/41 21.326.933.7 21.827.434.2 14.118.924.7 12.315.721.1 222734 22.527.534.5151925121621 71116 182532 18.525.532.5 10.817.023.0 9.013.819.4 21.727.234.0 22.227.734.516.121.427.2 12.316.221.2 21.326.733.4 21.927.334.0 15.820.926.611.815.520.7 6.411.315.

24、2 324050 11/411/22 42.448.360.3 42.948.861.1 32.438.349.129.834.142.7 424860 42.748.860.8323849293443 222838 384557 38.545.557.8 28.035.045.8 25.430.939.442.748.660.5 43.249.161.1 35.541.252.7 29.934.443.1 42.248.360.3 42.848.961.4 35.140.952.5 29.534.042.9 22.828.038.2 658010021/234 76.188.9- 承插焊管件

25、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、90弯头、三通、四通、45斜三通45、90Elbows、Tees、Crosses、Laterals双承口管箍Couplings单承口箍、半管接头、异径插入件Half-CouplingsBossReducer Inserts异径插入件Reducer Inserts 异径插入件Reducer Inserts活接头（含螺纹）Unions(compriise threaded unions)承插孔径So

26、cket DIA流通孔径Bore DIA中心至承插孔底Center to Bottom of Socket结构长度Laying Length结构长度Laying Length主体外径Shank DIA插入端长度Shank Length公称装配长度Length Assem NominalDNNPSd1d2A、HEFSDSLL6-81/8-1/4+0.30 0.40.81.50.8-1.510-203/8-3/41.53.01.50.250-1.5 1.525-501-22.04.02.00.250-2.0 1.565-10021/2-4+0.40 0.82.55.02.50.50-2.5 1.5

27、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 between 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

28、ThicknessDNNPSSCH160XXS61/83.154.8381/43.686.05103/84.016.40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

29、 pipe for rating purposes.管件级代号与管子壁厚代号的关系Relevance of Fittings Class with Schedule Nunber or Wall Designation of pipe for Calculation of Ratings管件级别代号class designation fo Fitting管件连生产建设形式Type of Fitting用作额定计算依据的管子Pipe Used for Ratin Basis管子表号Schedule NO.壁代号Wall Designation2000螺纹 Threaded80XS3000螺纹 T

30、hreaded160-6000螺纹 Threaded-XXS3000承插焊 Socket-Welding80XS6000承插焊 Socket-Welding160-9000承插焊 Socket-Welding-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。This table is nkt intended to restrict the use of pipes and fittings of thinner or thicker wa

31、ll.Pipe actually used may be thinner or thicker in nominal wall 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

32、Nominal Pipe Size90弯头、三通、四通90Elbows、Tees、Crosses45弯头45Elbows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 MinAGDCDNNPSSCH802000 SCH1603000 XXS6000 SCH802000 SCH1603000 XXS6000 SCH802000 SCH1603000XXS6000SCH802000 SCH160

33、3000XXS6000BL26810 1/81/43/8 212125 212528 252833 171719171922 192225 222225 222533 253338 3.183.183.183.183.303.51 6.356.606.98 6.48.19.1 6.710.210.4 152025 1/23/41 283338333844 384451 222528 252833 283335 333846 384656 465662 3.183.183.68 4.094.324.98 8.158.539.93 10.912.714.7 13.613.917.3 324050

34、11/411/22 445160 516064 606483333543 354344 434452 566275 627584 7584102 3.894.014.27 5.285.567.14 10.5911.0712.09 17.017.819.0 18.018.419.2 6580100 21/234 7686106 8395114 95106114 526479 526479647979 92109146 102121152121146152 5.615.996.55 7.658.8411.18 15.2916.6418.67 23.625.927.7 28.930.533.0 螺纹

35、管件 Threaded FittingsGB/T 1426、ASME B16.11公称通径Nominal Pipe Size管箍、半管接头Couplings、Boss 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、6000SCH1603000 XXS 6000 SCH1603000 XXS6000 SCH1603000 XXS6000 BL26810 1

36、/81/43/8 323538 192525 -2727 4.84.84.8 -6.46.4 161922 222532 6.48.19.1 6.710.210.4 152025 1/23/41 485160 323741 333843 6.46.49.7 7.97.911.2 283544 384457 10.912.714.7 13.613.917.3 324050 11/411/22 677986 444448 464851 9.711.212.7 11.212.715.7 576476 647692 17.017.819.0 18.018.419.2 6580100 21/234 92

37、108121 606568 646875 15.719.022.419.022.428.492108140 108127159 23.625.927.7 28.930.533.0 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Nominal Diameter of Head长度Length 对边宽度Width Flats(Nominal) 六角头高度Hex HeighDNNPSL2 minB minC minDL minSK minH min6810 1/81/43/8 101113 668 71011101418 354141 111618 -34 668 152025 1/23/41 141619 10111