管道壁厚等级对照表

1、公称通径外径Nominal PipeOutsideSizeDiameterNPSBNDSCH5s1/861/48-3/8101/2153/42012511/4324011/250SCHIOsSCH40s公称壁厚TNorminal Wall ThicknessSCH1OSCH20SHC30STDSCH60SCH80sXSSCH80-SCH40SCH104SCH16CXXS-SCH1OO21/2331/2658090100125150810122002503001416183504004502022245006005085596102666028700711-307623280081334-864

2、-36900914-389654010001016-42-1067-4411001118464812001168-1219CSH5s 10s、40s、80s 用于不锈钢管件。SCH5s 10s、40s、80s applies for stainless steel.JIS B2311 B2312、B2313公称通径外径NominalPipe OutsideSizeDiameter公称壁厚TNorminal Wall ThicknessSCH603GPSCH5sSH10sSCH10SCH20SCH30SCH40sSTDSCH40DNSCH80sSCH10203/42513211/44011/25

3、026521/28039031/210041255NPS D151/2150SCH120SCH140SCH160XXS-200250300350400450500550600650700750101214161820222426283080032850349003690*母头45*彎头三通四诵TO* Elbow昭 ElgJCrt承插焊管件（一） Socket Welding FittingsGB/T 14383、SH 3410 HG/T 21634、ASME、JIS B2316公称通径Nominal Pipe Size承插孔深度DepthofSocket壁厚Wall Thickness中心至承

4、插孔底Center to Bottom of SocketAC min90弯头、三通、四通90 lbow、Tee、Cross45弯头45lbowNPSDNJ minSCH803000SCH1606000XXS9000SCH80SCH16030006000XXS9000SCH803000SCH1606000XXS90001/861/410-1111-8883/810-1114-88-1010-1416-811-151/210161925111316203/413192228131419251132227321418213211/4132732351821224011/21332383821252

5、5502163841542529286521/2164157293280316-5764-3235-100419-67-41-本表列岀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 shows sizes of the same parts of SW sizes of different codes pipes,socket diameter di and bore diamet

6、er 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 reducing norminal pipe size,size of center to the bottom of socket A issame to the straight fittings,S

7、otiel Union炊竝活接头Thread嗨 Ur*(or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LengthAssemNominat结构尺寸LayingLength流通孔径BoreD minC minG minHF minh minLEd2DNNPS承插焊Socket螺纹Thread承插

8、焊Socket螺纹Thread承插焊Socket螺纹Thread61/816412181/4164121103/8144624151/2144924203/41157292511162303211/41071374011/21077385021086396521/2810256803810959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和承插孔深度J与ASME规定相同。Unions only applie to the class 3000 and below it; the relations of pres

9、sure 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 .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 FittingsGB/T 14383(A)公称通径接管承插Nom

10、inalPipeSize外径孔径流通孔径PinpeSocketBore DIADIADIAd2DNNPSDd1SCH80SCH16061/8-81/4-103/8-151/2203/4251接管外径DIAPinpeSH 3410孔径流通孔径SocketBore DIADIAd2GB/T 14383 (B)、HG/T 21634(metric)接管外径Pinpe DIAJIS B2316HG/T 21634(NPS ASMESocketDIA流通孔径Bore DIAd2d1DD1DSCH160SCH80SCH80SCH160XXS300060001710221271815271611251934

11、21163225接管外外径孔径流通孔径承插孔径Socket流通孔径PinpeDIASocketBore DIAPinpeBore DIADIADIADIAd1d2d2SCH80SCH160d130006000900032405011/411/22424860323849293443222838384557658010021/234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 90弯头、三通、四通、45斜三通45 90Elbows、T

12、ees、Crosses Laterals双承口管箍Couplings单承口箍、半 管接头、异径 插入件Half-CouplingsBossReducerInserts异径插入件ReducerInserts异径插入件ReducerInserts活接头(含螺纹)Unions(compriisethreaded unions)承插孔径Socket DIA流通孔径Bore DIA中心至承插孔底Center to Bottom ofSocket结构长度LayingLength结构长度Laying Length主体外径Shank DIA插入端长度ShankLength公称装配长度LengthAssemNo

13、minalIDNNPSd1d2A、HEFSDSLL6-81/8-1/4+010-203/8-3/4025-501-2065-10021/2-400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ASMENominal Waill Thckness of Schedule 160 and Double Extra S

14、trong Pipe In ASME公称通径Nominal Pipe Size公称壁厚Norminal Wall ThicknessDNNPSSCH160XXS61/881/4103/8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 then

15、ominal 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 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.管壁代号Wall Design

16、ation2000螺纹 Threaded80XS3000螺纹 Threaded1606000螺纹 Threaded-XXS3000承插焊 Socket-Welding80XS6000承插焊 Socket-Welding1609000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 fi

17、ttings of thinner or thicker 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 thincker pipe is used,formechanical strength）,the strength of the fitting governs the rating.螺纹管件 Threaded FittingsGB/T 1426、ASME90弯头、三

18、通、四通45弯头45 lbows所有管件All Fittings90lbows、Tees、Crosses公称通径中心至端面中心至端面端部外径Nominal Pipe Size最小壁厚Center to EndCenter to EndOutside Diameter of Band螺纹长度Minimum Wall ThicknessLength of Thread MinAGDCSCH80SCH160XXSSCH80SCH160 XXSSCH80SCH160XXSSCH80SCH160XXSDNNPS20003000600020003000600020003000600020003000600

19、0BL261/821212517171922222581/4212528171922222533103/8252833192225253338151/2283338222528333846203/43338442528333846562513844512833354656623211/444513335435662754011/25160603543446275845026064644344527584102836521/27683955252649210212180386951066464791091211461004106114114797979146152152螺纹管件 Threaded

20、 FittingsGB/T 1426、ASME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、 6000SCH1603000XXS6000SCH1603000XXS6000SCH1603000XXS600061/83219162281/43525271925103/83825

21、272232151/24832332838203/4513738354425160414344573211/467444657644011/2794448647650286485176926521/292606492108803108656810812710041216875140159螺纹管件 Threaded FittingsGB/T 1426、ASME1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 S

22、quare对边宽度Width Flats头部直径NominalDiameter ofHead长度Length对边宽度Width Flats(Nominal)六角头高度Hex HeighDNNPSL2 minB minC minDL minSK minH minFtouwJ曲百小四方头萋Sflijasfe Head六箱头瞥誌 Hs xHead Pk?g六角头內外妤纹揍头无头內外嫦蚊摟头Hflx8uhsHush BufihHgi61/81067103511681/41161014411636103/81381118411848151/214101421442258203/4161116274427

23、6102511913213351366103211/42114244351467144011/22116284851508165022218326064659186521/2271936737075101980328214189709010211004322565144761151325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

24、GB/T 12716(ANSI/ASME if requiring other types of thread,please indicate them in the purchased order.螺比试管件的尺寸极限偏差Tolerances for Threaded Fittings公称通径Nominal Pipe Size90、45弯头、三通、四通90&45 Elbows& Tees &Crosses双接口管箍、管帽Couplings、Caps单接口管箍、半管接头Half- Couplings、Boss中心至端面Center to End端面至端面End to End端面至端面End t

25、o EndDNNPSAE、FE/26-81/8-1/410-203/8-3/425-501-265-10021/2 -4同径六閱头取建头SlightN 炉a异往六角头双丝头RedtKFT Haxagcxial M六角头双丝头 Hexagonal Nipples公称通径Nominal Pipe Size尺寸SizeDNNPSE1E2WDsch80sch16061/8610-265481/461536768X 61/4 X 1/8615103154103/8816-4010810X 83/8 X 1/4816153976151/282048131015X 101/2 X 3/88201644108

26、15X 81/2 X 1/4820154376203-4102152181420 X 153/4 X 1/210212051131020 X 103/4 X 3/810211647108251102560231925 X 201 X 3/410252156181425 X 151 X 1/21025205513103211/41225-62312832 X 2511/4 X 112252562231932 X 2011/4 X 3/412252158181432 X 1511/4 X 1/21225205713104011/21626-68363240 X 3211/2 X 11/416262

27、567312840 X 2511/2 X 116262567231940 X 2011/2 X 3/416262163181440 X 1511/2 X 1/2162620621310502182772474050 X 402X1/218272671363250 X 322X1/418272570312850 X 252X 118272570231950 X 202X 3/418272166181450 X 152X 1/21827206513106538575165 X 5021/220382796474065 X 4021/2 X 220382685363265 X 3221/2 X 11

28、/220382584312865 X 2521/2 X 11/420382583231965 X 2021/2 X 120382183181421/2 X 3/420798032040100706380 X 652040389857513X2/280 X 503X 220402787474080 X 403X1/220402686363280 X 323X1/420402585312880 X 253X 12040258523199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 c

29、odes of the fittings is conical threaded NPT angle 60 of GB/T 12716(ANSI/ASME if requiring other types of thread,please indicatethem in the purchased order.六角头双丝头 Hexagonal Nipples公称通径Nominal Pipe Size尺寸SizeDNNPSCE1E2WDsch80sch16061/8610265481/4615-36768 X 61/4 X 1/8615103154103/88164010810X 83/8 X

30、1/4816153976151/2820-148131015X 101/2 X 3/8820164410815X 81/2 X 1/4820154376203-4102152181420 X 153/4 X 1/210212051131020 X 103/4 X 3/810211647108251102560231925 X 201 X 3/410252156181425 X 151 X 1/21025205513103211/4122562312832 X 2511/4 X 112252562231932 X 2011/4 X 3/412252158181432 X 1511/4 X 1/2

31、1225205713104011/2162668363240 X 3211/2 X 11/416262567312840 X 2511/2 X 116262567231940 X 2011/2 X 3/416262163181440 X 1511/2 X 1/21626206213105021827-72474050 X 402X1/218272671363250 X 322X1/418272570312850 X 252X 118272570231950 X 202X 3/418272166181450 X 152X 1/21827206513106521/22038-96575165 X

32、5021/2 X 220382785474065 X 4021/2 X 11/220382684363265 X 3221/2 X 11/420382583312865 X 2521/2 X 120382583231965 X 2021/2 X 3/42038217918148032040-100706380 X 653X2/220403898575180 X 503X 220402787474080 X 403X1/220402686363280 X 323X1/420402585312880 X 253X 1204025852319螺纹型式为GB/T 12716(ANSI/ASME B1.

33、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 fittings is conical threaded NPT angle 60 of GB/T 12716(ANSI/ASME if requiring other types of thread,please indicate them in the purchased order.螺纹短节 Nipples公称通径Nominal Pipe Size管子外径Outside Diameter of Pipe螺纹长度Length of Thread Min长度End

34、to End管子壁厚Wall Thickness of PipeDNNPSDL2 minLT61/881/4103/875、 100、 150SCH80 SCH160151/220253/413211/4401/25026521/28031004长度由顾客指定。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。Size of end toend shall be required by customers.The standards and codes of the fittings is conical threaded NPT angle 60 of GB/T 12716(ANSI/ASME ,and if requiring other types of thread,please indicate them in the purchased order.六角头双丝头与螺纹短节的极限偏差Telerances for Hexagonal Nipples and Nipples公称通径Nominal Pipe Size六角头双丝头 Hexagonal Nipples螺纹短节Nipples