管道壁厚等级对照表

1、外径OutsideDiameter公称壁厚TNorminal Wall Thickness公称通径Nominal PipeSizeNPSBNDSCH5sSCH10sSCH10SCH20SHC30SCH40sSTDSCH40SCH60SCH80sXSSCH80SCH100SCH12CSCH104SCH16CXXS1/81/43/86810 1/215一3/42012511/411/22324050一 21/2331/2658090一 1-4100一1-5125一6150一820010250123001435016400184502050050822559246006102666028700711

2、30762132800813-1 34864一36900914一38965一II-114010001016一一一421067一一一44110011184611684812001219C SH5s 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Nominal PipeSizeDN152025324050外径OutsideDiameterNPSSGP3/4公称壁厚TNorminal Wall ThicknessSCH5sSH10sSCH10SCH20SCH30S

3、CH40sSTDSCH40SCH60SCH120SCH140SCH160XXS1/2SCH80sSCH1011/411/230012350144001645018500201550226002465026-7002875030800-850329003436承插焊管件（一）Socket Welding FittingsGB/T 14383、SH 3410、HG/T 21634、ASME、JIS B2316中心至承插孔底公称通径Nominal Pipe Size承插孔深度Depth ofSocket壁厚Wall ThicknessCenter to Bottom of SocketAC min9

4、0°弯头、三通、四通90° Elbow、 Tee、Cross45°弯头45° E lbowDNNPSJ minSCH803000SCH1606000XXS9000SCH803000SCH1606000XXS9000SCH803000SCH1606000XXS900068101/81/43/8101010 111114111416 8888811 15201/23/41013161919222528111313141619251132227321418213211/4132732351821224011/21332383821252550216384154

5、2529286521/2164157293280316576432351004196741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 ws sizes of the same parts of SW sizes of different codes pipes,socket diameter di and bore diameter d2 refer to th

6、e list of the pipe outside diameter,socket diameter and bore diameter of SW fittings. As to the reducing fittings,size of the bore diameterd2 applies to the relevant size d2 of the reducing norminal pipe size,sizeof center to the bottom of socket A issame to the straight fittings,承插焊和螺纹活接头 Unions of

7、 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球面凸缘厚度定位口高度公称装配长度Length AssemNominat结构尺寸LayingLength流通孔径BoreMaleFlangeBearinD minC minEd2承插焊螺纹承插焊螺纹G minHF minh minL承插焊螺纹DNNPSSocketThreadSocketThreadSocketThreadl- ="=

8、61/816412181/4164121103/8144624151/2144924203/4115729251116230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 PipeGB/T 14383(A)SH3 3410GB/T14383 (B)、HG/T 21634(metric)JIS B2316HG/T 21634(NPS)、ASMESize接管承插孔接管承插孔承插孔接管承插孔接管外承插孔径外径径流通孔

9、径外径径流通孔径接管外径径流通孔径外径径流通孔径径流通孔径SocketPinpeSocketBore DIAPinpeSocketBore DIAPinpe DIASocketBore DIAPinpeSocketBore DIAPinpeBore DIADIADIADIADIADIADIADIADIADIAd2d2d2d2d2DNNPSDd1Dd1DD1SCH80SCH160Dd1Dd1SCH80SCH160SCH80JSCH160XXS30006000SCH80SCH16030006000900061/881/4103/8 17 10 151/2203/42513211/44011/250

10、21004承插焊管件尺寸的极限偏差Tolerances for Socket-Welding Fittngs单承口箍、半管45°、90°弯头、三接头、异径插入通、四通、45°斜三异径插入异径插入所有管件所有管件通双承口管箍件件件活接头（含螺纹）AllAll45°、90° Elbows、CouplingsHalf-CouplingsReducerReducerUnions(compriiseFittingsFittingsBossthreaded unions)公称通径Tees、Crosses、ReducerInsertsInsertsNomin

11、al Pipe SizeLateralsInserts插入端长中心至承插孔底结构长度公称装配长度承插孔径流通孔径Center to Bottom ofLaying结构长度主体外径度Length AssemSocket DIABore DIALaying LengthShankSocketLengthShank DIALengthNominalDNNPSd1d2A、HEFSDSLL6-81/8-1/4+0+10-203/8-3/4+0+25-50+0+65-10021/2-40+0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 bet

12、ween 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 Strong Pipe In ASME公称壁厚公称通径Nominal Pipe SizeNorminal Wall Thickness由于ASME B36.10M未包括DN6 8和10的SCH16价口 XXS的壁厚，表列数值可作为确定额定值时管子的公称壁厚。t

13、rong thickness for DN6,8,and 10,the values in table Since ASME B36.10M does not include Schedule 160 nor include double Extra Smay 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 Fittings Class with Schedule Nunber or Wall Designation of pipe for C

14、alculation 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 Designation2000螺纹 Threaded80XS3000螺纹 Threaded1606000螺纹 ThreadedXXS3000承插焊 Socket-Welding80XS6000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

15、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 fittin gs of thinner or thicker actuallyused may be thinner or thickerin nominal wall than that shown in Table. Whenthinner pipe is used,its strength may gov

16、ern the thincker pipe is used,formechanicalstrength）,the strength of the fitting governs the rating.螺纹管件 Threaded FittingsGB/T 1426、ASME90°弯头、三通、四通45°弯头所有管件90° Elbows、Tees、Crosses45° ElbowsAll Fittings公称通径中心至端面中心至端面端部外径最小壁厚Nominal Pipe SizeCenter to EndCenter to EndOutside Diamet

17、er of Band螺又长度Minimum Wall Thickness Length of Thread MinAGDCSCH80 SCH160 XXS SCH80SCH160 XXS SCH80 SCH160 XXS SCH80 SCH160 XXSDNNPSBL220003000600020003000 6000200030006000200030006000 11161/8212125171922222581/4212528171922222533103/825283322252533381719151/2283338222528333846203/433384425283338465

18、62513844512833354656623211/44451603335435662754011/251603543446275846450260644344527584102836521/27683955252649210212180386951066464791091211461004106114114797979146152152螺纹管件 Threaded 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 En

19、d底部壁厚End Wall Thickness外径Outside Diameter螺纹长度Length of Thread MinEFC minDDNNPSSCH160 XXS3000、 6000SCH1603000XXS6000SCH1603000XXS6000SCH1603000XXS6000BL268101/81/43/83235381925252727161922222532151/24832332838203/4513738354425160414344573211/467444657644011/2794448647650286485176926521/29260649210880

20、3108656810812710041216875140159方头管寥六角头管褰圆共管霎3g律 Head RuffPiugFtouM Hwd 加百rwf六例兴内外姆蚊搂具H«x H«ad gushp无头内外绿蚊飕兴Flush B4iShir>g螺纹管件 Threaded FittingsGB/T 1426、ASME公称通径1Nominal 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头部直径

21、Nominal长度Length对边宽度Width Flats六角头高度Hex Heigh对边宽度Width FlatsDiameter ofHead(Nominal)DNNPSL2 minB minC minDL minSK minH min61/81067103511681/41161014411636103/81381118411848151/214101421442258203/41611162744276102511913213351366103211/4211424437144011/221162848514681650222183260516450659186521/2271936

22、737075101980328214189709010211004322565144761151325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 NP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 NPTangle 60° of GB/T 12716(ANSI/ASME i f requiring other typesof thread,please indicate them in the

23、 purchased order.螺比试管件的尺寸极限偏差Tolerances for Threaded Fittings公称通径90°、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 、BossNominal Pipe Size中心至端面Center to End端面至端面End to End端面至端面End to EndDNNPSAE、FE/26-81/8-1/4土土土10-203/8-3/4+25-501-

24、2+65-10021/2-4异控六轴头双些头Rcdg：ng HeKgon Mypi电六角头双丝头 Hexagonal Nipples公称通径Nominal Pipe Size尺寸SizeDNNPSCE1E2WDsch80sch16061/8610265488X 61/41/4 X 1/866151510363175641010X 83/83/8 X 1/488161615107864039151/282048131015X 101/2 X3/8820164410815X 81/2 X 1/4820154376203-4102152181420X 153/4 X 1/21021205113102

25、0X 103/4 X 3/810211647108251102560231925X 201X3/410252156181425X 151X1/21025205513103211/41262312832 X 2511/4X112252562231932 X 2011/4 X3/412252158181432 X 1511/4 X1/2122520'5713102516684011/226363240X 3211/2 X11/416262567312840X 2511/2X12625231940X 2011/2 X3/416262167181440X 1 511/2 X1/21626206

26、313101662502182772474050X 402X 1 1/218272671363250X 322X 1 1/418272570312850X 252X 118272570231950X 202X3/418272166181450X 152X 1/21827206513106521/2203896575165X 503827474065X 4021/2X220382685363265X 323825312865X 2521/2 X11/220382584231965X 2021/2 X11/420382183181421/2X121/2 X3/4202083793803X 2 1/

27、22040100706380X 6520403898575180X 503X220402787474080X 4020402686363280X 323X 1 1/220402585312880X 253X 1 1/43X 1204025852319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 fittings is conical threaded NPT angle 60° of GB/T 12716(ANSI/ASM

28、E if requiring other types othread,please indicate them in the purchased order.六角头双丝头 Hexagonal Nipples公称通径Nominal Pipe Size尺寸SizeDNNPSCE1E2WDsch80sch16061/8610265481/461536768X 61/4 X 1/8615103154103/88164010810X 83/8 X 1/4816153976151/282048131015X 101/2 X3/8820164410815X 81/2 X 1/4820154376203-41

29、02152181420X 153/4 X 1/210212051131020X 103/4 X 3/810211647108251102560231925X 201X3/410252156181425X 151X1/21025205513103211/41262312832 X 2511/4X112252562231932 X 2011/4 X3/4122158181432 X 1511/4 X1/2122520'571310252516684011/226363240X 3211/2 X11/416262567312840X 2511/2X126252319166740X 2011/

30、2 X3/42621181440X 1511/2 X1/21626206313101662502182772474050X 402X 1 1/218272671363250X 322X 1 1/418272570312850X 252X 118272570231950X 202X3/418272166181450X 152X 1/218272065131021/220966538575121/2X2208565X 503827474065X 403826363221/2 X11/2208465X 323825312865X 2521/2 X11/420382583231965X 2038211

31、81421/2X1208321/2 X3/42079802040100706380X 6580X 50320204040382798875747514080X 403X 2 1/220402686363280X 323X220402585312880X 253X 1 1/22040258523193X 1 1/43X 1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 fittings is conical threaded NPT a

32、ngle 60° of GB/T 12716(ANSI/ASME if requiring other types ofthread,please indicate them in the purchased order.螺纹短节Nipples公称通径管子外径螺纹长度长度管子壁厚Nominal Pipe SizeOutside Diameter of PipeLength of Thread MinEnd to EndWall Thickness of PipeDNNPSDL2 minLT681/81/475、100、150SCH80 SCH160103/8151/2203/42513211/4401/25026521/28031004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 NP如采用其它型式的螺纹请在订货时注明。 Size o f end toend shall be required by customers. The standards and codes of the