螺紋基本尺寸對照表完整可編輯版

1、英制管螺紋基本尺寸及公差（牙形角 55o） BSPP螺紋代號基本直徑內(nèi)螺紋外螺紋大徑中徑小徑中徑公差小徑公差A(yù)級B級中徑公差大徑公差中徑公差大徑公差+0.170+0.2820000G1/8 X 289.7289.1478.5660-0.107-0.214-0.214-0.214G1/4 X 1913.15712.30111.445+0.125+0.445-0.125-0.250-0.2500-0.250+0.125+0.4450000G3/8 X 1916.66215.80614.95000-0.125-0.250-0.250-0.250+0.142+0.5410000G1/2 X 1420.

2、95519.79318.63100-0.142-0.284-0.284-0.284+0.142+0.5410000G5/8 X 1422.91121.74920.58700-0.142-0.284-0.284-0.284+0.142+0.5410000G3/4 X 1426.44125.27924.11700-0.142-0.284-0.284-0.284+0.180+0.6400000G1 X 1133.24931.77030.29100-0.180-0.360-0.360-0.360+0.180+0.6400000G1.1/4 X 1141.91040.43138.95200-0.180-

3、0.360-0.360-0.360+0.180+0.6400000G1.1/2 X 1147.80346.32444.85400-0.180-0.360-0.360-0.360+0.180+0.6400000G2 X 1159.61458.13556.65600-0.180-0.360-0.360-0.360+0.217+0.6400000G2.1/2” X1175.18473.70572.22600-0.217-0.434-0.434-0.434+0.217+0.6400000G3”X1187.88486.40584.92600-0.217-0.434-0.434-0.434+0.217+0

4、.6400000G3.1/2” X11100.33098.85197.37200-0.217-0.434-0.434-0.434英制錐管螺紋基本尺寸及公差（牙形角 55o）BSPT螺紋代號基面上的直徑基準(zhǔn)長度有效螺紋長度圓錐內(nèi)螺紋基面軸向位移偏差（土 mr）i大徑中徑小徑基本最大最小基本最大最小R1/8 X 289.7289.1478.5664.04.93.16.57.45.61.1R1/4 X 1913.15712.30111.4456.07.34.79.711.08.41.7R3/8 X 1916.66215.80614.9506.47.75.110.111.48.81.7R1/2 X 1

5、420.95519.79318.6318.210.06.413.215.011.42.3R3/4 X 1426.44125.27924.1179.511.37.714.516.312.72.3R1 X 1133.24931.77030.29110.412.78.116.819.114.52.9R1.1/4 X 1141.91040.43138.95212.715.010.419.121.416.82.9R1.1/2 X 1147.80346.32444.84512.715.010.419.121.416.82.9R2 X 1159.61458.13556.65615.918.213.623.4

6、25.721.12.9R2.1/2 ” X1175.18473.70572.22617.521.014.026.730.223.23.5R3” X1187.88486.40584.92620.624.117.129.833.326.33.5R3.1/2 ” X11100.33098.85197.37222.225.718.731.434.927.93.5美制管螺紋基本尺寸及公差（牙形角 60o）UN（F）螺紋代號外螺紋內(nèi)螺紋公差等級公差等級2A2B大徑中徑小徑小徑中徑大徑最大最小最大最小最小最大最小最大JIC螺紋7/16X 20UNF11.07910.87410.25410.1479.5689

7、.72810.03310.28710.42411.1131/2X 20UNF12.66712.46111.84111.73211.15611.32811.60811.87512.01712.79/16X 18UNF14.25214.03113.33513.22112.57312.75113.08113.37113.5214.2883/4 X 16UNF19.01218.77317.98117.85417.1217.32317.67818.01918.18419.057/8 X 14UNF22.18421.92321.00620.86920.02520.26920.67621.04621.224

8、22.2251-1/16 X 12UN26.94426.65525.5725.42524.42524.68925.14625.61325.80126.9881-5/16 X 12UN33.29433.00531.9231.77330.77531.03931.49631.96332.15433.3381-5/8 X 12UN41.22940.9439.88539.70538.7138.98939.44639.90140.09441.2751-7/8 X 12UN47.57947.2946.20546.05345.0645.33945.79646.25146.44947.6252-1/2 X 12

9、UN63.45263.16262.07861.9260.93261.21461.67162.12662.33263.5ORFS螺紋9/16 X 18UNF14.25214.03113.33513.22112.57312.75113.08113.37113.5214.28811/16 X 16UN17.42717.18816.39616.27415.53515.74816.10416.43116.58917.46313/16 X 16UN20.59920.36119.56819.44418.70718.92319.27919.60619.76620.6381 X 14UNF25.35725.09

10、524.17824.03623.19523.44423.82524.22124.40725.41-3/16 X 12UN30.11929.8328.74528.59827.627.86428.32128.78828.97930.1631-7/16 X 12UN36.46736.17735.09334.94333.94734.21434.67135.13835.33136.5131-11/16 X 12UN42.81742.52741.44341.2940.29740.56441.02141.48841.68642.8632 X 12UN50.75450.46549.3849.22548.235

11、48.51448.97149.42649.62750.8SAE螺紋5/8 X 18UNF15.83915.61814.92314.80314.16114.35114.68114.95815.1115.8751-1/16 X 14UN26.94726.68325.74325.60824.7424.96825.37525.78325.96126.987其它美制螺紋9/16 X 16UN14.25214.01313.22113.10112.3612.57312.92913.25613.41114.2887/8 X 12UN22.18221.89220.80820.66819.66219.93920.

12、39620.85121.03422.2252-1/4 X 12UN57.10456.81555.7355.57554.58554.86455.32155.77655.97657.15注：UNC粗牙螺紋系列，UNF細(xì)牙螺紋系列， UNEF超細(xì)牙螺紋系列，UN不變螺距系列布錐管螺紋基本尺寸及公差（牙形角60o） NPT螺紋代號基面上的直徑螺紋長度大徑中徑小徑有效長度管端至基面長Z1/8 X 2710.2729.5198.76674.572Z1/4 X 1813.57212.44311.3149.55.080Z3/8 X 1817.05515.92614.79710.56.096Z1/2 X 142

13、1.22319.77218.32113.58.028Z3/4 X 1426.56825.11723.666148.611Z1 X 11.533.22831.46129.69417.510.160Z1.1/4 X 11.541.98540.21838.4511810.688Z1.1/2 X 11.548.05446.28744.52018.510.688精選范本，供參考!Z2 X 11.560.09258.32556.5581911.074公制螺紋基本尺寸及公差（牙形角60o） M螺紋代號基本直徑內(nèi)螺紋外螺紋大徑中徑小徑公差等級公差等級6H7H6g中徑公差小徑公差中徑公差小徑公差中徑公差大徑公差

14、M10X1109.3508.917+0.150+0.236+0.190+0.300-0.026-0.0260000-0.138-0.206M12X11211.35010.917+0.160+0.236+0.200+0.300-0.026-0.0260000-0.144-0.206M14X11413.35012.917+0.160+0.236+0.200+0.300-0.026-0.0260000-0.144-0.206M12X1.251211.18810.647+0.180+0.265+0.224+0.335-0.028-0.0280000-0.160-0.240M14X1.251413.18

15、812.647+0.180+0.265+0.224+0.335-0.028-0.0280000-0.160-0.240M12X1.51211.02610.376+0.190+0.300+0.236+0.375-0.032-0.0320000-0.172-0.268M14X1.51413.02612.376+0.190+0.300+0.236+0.375-0.032-0.0320000-0.172-0.268M16X1.51615.02614.376+0.190+0.300+0.236+0.375-0.032-0.0320000-0.172-0.268M18X1.51817.02616.373+

16、0.190+0.300+0.236+0.375-0.032-0.0320000-0.172-0.268M20X1.52019.02618.376+0.190+0.300+0.236+0.375-0.032-0.0320000-0.172-0.268M22X1.52221.02620.376+0.190+0.300+0.236+0.375-0.032-0.0320000-0.172-0.268M24X1.52423.02622.376+0.200+0.300+0.250+0.375-0.032-0.0320000-0.182-0.268M26X1.52625.02624.376+0.200+0.

17、300+0.250+0.375-0.032-0.0320000-0.182-0.268M27X1.52726.02625.376+0.200+0.300+0.250+0.375-0.032-0.0320000-0.182-0.268M30X1.53029.02628.376+0.200+0.300+0.250+0.375-0.032-0.0320000-0.182-0.268M33X1.53332.02631.376+0.200+0.300+0.250+0.375-0.032-0.0320000-0.182-0.268M36X1.53635.02634.376+0.200+0.300+0.25

18、0+0.375-0.032-0.0320000-0.182-0.268M39X1.53938.02637.376+0.200+0.300+0.250+0.375-0.032-0.0320000-0.182-0.268M42X1.54241.02640.376+0.200+0.300+0.250+0.375-0.032-0.0320000-0.182-0.268M27X22725.70124.835+0.224+0.375+0.280+0.475-0.038-0.0380000-0.208-0.318M30X23028.70127.835+0.224+0.375+0.280+0.475-0.03

19、8-0.0380000-0.208-0.318M33X23331.70130.835+0.224+0.375+0.280+0.475-0.038-0.0380000-0.208-0.318M36X23634.70133.835+0.224+0.375+0.280+0.475-0.038-0.0380000-0.208-0.318M39X23937.70136.835+0.224+0.375+0.280+0.475-0.038-0.0380000-0.208-0.318M42X24240.70139.835+0.224+0.375+0.280+0.475-0.038-0.0380000-0.20

20、8-0.318M45X24543.70142.835+0.224+0.375+0.280+0.475-0.038-0.0380000-0.208-0.318M52X25250.70149.835+0.236+0.375+0.300+0.475-0.038-0.0380000-0.218-0.318M60X26058.70157.835+0.236+0.375+0.300+0.475-0.038-0.0380000-0.218-0.318M64X26462.70161.835+0.236+0.375+0.300+0.475-0.038-0.0380000-0.218-0.318M72X27270

21、.70169.835+0.236+0.375+0.300+0.475-0.038-0.0380000-0.218-0.31855 圓錐管螺紋基本尺寸對照表最新下載-匯興達(dá)精選范本，供參考！55 圓錐管螺紋基本尺寸對照表最新下載-匯興達(dá)55 圓錐管螺紋（BSPT）螺紋 代 號基本尺寸英寸大徑mmd=D螺距mmP每英寸牙 數(shù)tpi中徑mmd2=D2小 徑 外 螺 紋d3牙型高度H1R6.11/17.70.97.15/62307284260.581116R8.11/89.70.9289.150.581/II2807476861R1.11/413.1.31912.40.856/II1573730144

22、51R4.33/816.1.31915.90.856/II66237806580R1/220.1.81419.11.16218./2II955147936312R4.33/426.1.81425.11.162/II4411427914730.R133.2.31131.21.4791249097791R31141.2.340.8.11/4910091143191.479/II542R41147.2.346.4.11/2803091132481.479/II42556.R259.2.31158.61.47926140913556R72275.2.373.2.11/2184091170521.479

23、/II226精選范本，供參考!R3387.8842.3091186.40584.9261.47911113111R2.30.4.0311.551.4794090017213138136R2.35.5.4311.951.4795094017216163162R2.30.6.8311.351.47960980172聊城市鑫茂祥管業(yè)有限公司專業(yè)經(jīng)營鋼管規(guī)格：5mm*1mm 1020mm*200mm合金鋼管、外徑 22mm-127mm冷軋無縫鋼管、外徑127mm-600mm ，壁厚16mm-100mm，外徑精度 0.5%, 壁厚精度5% 熱軋中厚壁無縫鋼管、16Mn 外徑400 1600mm 、壁厚2

24、0 60mm 的大口徑厚壁卷管，可定尺到16米及各種規(guī)格的無縫方管、異型無縫鋼管等.常備鋼管種類有：構(gòu)造用無縫鋼管、流體用無縫鋼管、液壓無縫鋼管、電力用無縫鋼管、石油輸送用無縫鋼管、化肥設(shè)備用無縫鋼管、煤礦用無縫鋼管、不銹鋼無縫鋼管、化工用無縫鋼管、紡織機(jī)械用無縫鋼管、汽車；水利用無縫鋼管,精密無縫鋼管、光亮無縫鋼管、軍工醫(yī)療用無縫鋼管、管道用無縫鋼管、支柱用無縫鋼管、合金無縫管、高壓無縫管、大口徑直縫焊管等。適用于工程、煤礦、紡織、電力、鍋爐、機(jī)械、軍工等各個領(lǐng)域。公司以良好的信用、優(yōu)質(zhì)的產(chǎn)品、雄厚的實力、低廉的價錢享譽全國30多個省、市、自治區(qū)、直轄市及國外，產(chǎn)品深得用戶依賴。公司常年銷售

25、成都鋼鐵集團(tuán)、冶鋼集團(tuán)、包頭鋼廠、寶鋼集團(tuán)、鞍鋼集團(tuán)、天津大無縫、西寧特鋼廠、無錫鋼廠、衡陽鋼廠等各大鋼廠生產(chǎn)的各種無縫鋼管及合金管。主營材質(zhì)：20#、35#、45#、20G、20A、40Mn2 、45Mn2 、27SiMn40MnB 、20MnVB 、20Cr、30Cr、35Cr、40Cr、45Cr、50Cr、38CrSi、12CrMo 、20CrMo 、35CrMo、 42CrMo 、12CrMoV 、12Cr1MoV 、38CrMoAL 、50CrV、20CrMnSi 、30CrMnSi 、35CrMnSi 、20CrMnTi 30CrMnTi 、12CrNi2 、12CrNi3 、12

26、Cr2Ni4 、40CrNiMoA 、45CrNiMoVA 、20G、20MnG 、25MnG、12CrMoG精選范本，供參考！15CrMoG 、12Cr2MoG 、12Cr1MoVG 、12Cr2MoWVTiB12Cr3MoVSiTiB等實行標(biāo)準(zhǔn)：GB/T8162-99精選范本，供參考!造管、GB/T8163-99流體管、GB/T3087-99中低壓鍋爐管、GB/T5310-95高壓鍋爐管、GB/T6479-2000化肥專用管、27SiMn 液壓支架管、高壓合金管、 GB/T9948-85石油裂化管 GB9948-88 、地質(zhì)鉆探用管 YB235-70 、汽車半軸套管 YB/T5035-96

27、?，F(xiàn)我公司有大量合金管、高壓管、無縫方管、異型無縫鋼管現(xiàn)貨，將以優(yōu)惠的價錢，批零兼營的方式，為您提供快捷優(yōu)質(zhì)的服務(wù)，歡迎新老客戶前來洽談、電議。管螺紋的基本尺寸表（2010-10-25 15:57:35）轉(zhuǎn)載Q標(biāo)簽：雜談表（1）螺紋基本尺寸G1/2、ZG1/2（單位:mm）尺寸代每螺距p牙型圓弧半基面上的基本直徑基準(zhǔn)有效號25.4mm類的牙數(shù)n高度h徑r 大徑（基 準(zhǔn)直徑）d=D中徑d2=D2小徑d1=D1距離螺紋 長度1/1628 二0.9070.581 C.1257.7237.1426.5614.06.51/8280.9070.581 C.1259.7289.1478.5664.06.51

28、/4191.3370.586 C.18413.15712.30111.4456.09.7 J3/8191.3370.586 C.18416.66215.80614.9506.410.11/2141.8141.162 C.24920.95519.79318.6318.213.23/4141.8141.162 C.24926.44125.27924.1179.514.511112.3091.479 0.31733.24931.77030.29110.416.8 J1.1/4112.3091.479 0.31741.91040.43138.95212.719.11.1/211 二2.3091.479

29、 C.31747.80346.32444.84512.719.12112.3091.479 C.31759.61458.13556.65615.923.4 12.1/2112.3091.479 C.31775.18473.70572.22617.526.73112.3091.479 0.31787.88486.40584.92620.629.83.1/2112.3091.479 C.317100.33098.85197.37222.231.44112.3091.479 C.317113.030111.551110.07225.435.85112.3091.479 C.317138.430136

30、.951135.47228.640.1 16112.3091.479 0.317163.830162.351160.87228.640.1錐管螺紋的基本尺寸表（3-28）1/2PT、1/2NPT表（2）螺紋基本尺寸（單位:mm）尺寸代每基面上的基本直徑基準(zhǔn)距離號25.4mm類的牙 數(shù)n大徑（基 準(zhǔn)直徑）d=D中徑d2=D2小徑d1=D11/16 1277.8957.1426.3894.0641/82710.2429.4898.7364.1021/41813.61612.48711.3585.7863/81817.05515.92614.7976.0961/21421.22319.77218.3

31、218.1283/41426.56825.11723.6668.611111.533.22831.46129.69410.1601.1/411.541.98540.21838.45110.6681.1/211.548.05446.28744.52010.6682 111.560.09258.32556.55811.0742.1/2872.69970.15967.61917.3233888.60886.06883.52819.4563.1/28101.31698.776 :96.23620.85348113.973111.433108.89321.438 J螺紋標(biāo)準(zhǔn)的一種，按外形分圓柱、圓錐兩種

32、；按牙型角分55、60兩種。螺紋中的1/4、1/2、1/8 標(biāo)記是指螺紋尺寸的直徑，單位是英寸。一吋等于8分，1/4 吋就是2分，如此類推。國外常用英制螺紋的代號、名稱和標(biāo)準(zhǔn)號：B.S.W.標(biāo)準(zhǔn)惠氏粗牙系列，一般用途圓柱螺紋B.S.F. 標(biāo)準(zhǔn)惠氏細(xì)牙系列，一般用途圓柱螺紋Whits 附加的惠氏可選擇系列，一般用途圓柱螺紋Whit惠氏牙型的非標(biāo)準(zhǔn)螺紋以上為英國標(biāo)準(zhǔn)BS84牙型角為55的英制螺紋UN恒定螺距系列的統(tǒng)一螺紋UNC粗牙系列的統(tǒng)一螺紋UNF細(xì)牙系列的統(tǒng)一螺紋UNEF超細(xì)牙系列的統(tǒng)一螺紋UNSD特殊系列的統(tǒng)一螺紋UNR圓弧牙底恒定螺距系列的統(tǒng)一螺紋UNRC圓弧牙底粗牙系列統(tǒng)一螺紋UNRF圓

33、弧牙底細(xì)牙系列統(tǒng)一螺紋UNREF圓弧牙底超細(xì)牙系列統(tǒng)一螺紋UNRS圓弧牙底特殊系列統(tǒng)一螺紋以上為美國標(biāo)準(zhǔn)ANSIB1.1標(biāo)準(zhǔn)牙型（牙底是平的或隨意倒圓的）的內(nèi)、外螺紋 圓弧牙底的UNR UNRCUNRF UNREF NRS只用于外螺紋而沒有內(nèi)螺紋NPT一般用途的錐管螺紋NPSC管接頭用直管螺紋NPTR導(dǎo)桿連接用錐管螺紋 NPSM機(jī)械連接用直管螺紋 NPSL鎖緊螺母用直管螺紋 NPSH軟管連接用直管螺紋以上為美國標(biāo)準(zhǔn)ANSIB1.20.1 牙型角為60的英制管螺紋美國標(biāo)準(zhǔn)ANSIB1.20.3 n型美國標(biāo)準(zhǔn)ANSIB1.20.3 川型美國標(biāo)準(zhǔn)ANSIB1.20.3 W型NPTF干密封標(biāo)準(zhǔn)型錐管螺

34、紋美國標(biāo)準(zhǔn)ANSIB1.20.3 I型PTF-SAE SHORT干密封短型錐管螺紋NPSF干密封標(biāo)準(zhǔn)型燃油用直管內(nèi)螺紋NPS1干密封標(biāo)準(zhǔn)型一般用直管內(nèi)螺紋ACM一般用途的梯形螺紋美國標(biāo)準(zhǔn)ANSIB1.5牙型角為29。的英制傳動螺紋 尺寸和公差使用與標(biāo)準(zhǔn)系列相同的公式計算的標(biāo)準(zhǔn)系列之外的所有直徑與螺距組合。 我國的60圓錐管螺紋 GB/T12716-1991與之等效。 ACME!紋包括一般用途的和定心的兩種配合的梯形螺紋，其中一般用途者與我國標(biāo)準(zhǔn) GB/T5796-1986規(guī)定的梯形螺紋的性能相類同。螺距用每英寸的牙數(shù)來表示，如：每英寸 11牙，則螺距=25.4/11 = 2.309mm螺紋如何

35、區(qū)分英制和公制？默認(rèn)分類2009-08-2422:03:14閱讀1281評論0字號：大中小粗略判斷的話好像英制的比公職的牙距大(同規(guī)格的)NPT PT, G 都是管螺紋.NPT是 National(American)Pipe Thread 的縮寫，屬於美國標(biāo)準(zhǔn)的 60 度錐管螺紋，用於北美地區(qū).國家標(biāo)準(zhǔn)可查閱GB/T12716-1991PT是 Pipe Thread的縮寫，是 55度密封圓錐管螺紋，屬惠氏螺紋家族，多用於歐洲及英聯(lián)邦國家.常用於水及煤氣管行業(yè)，錐度規(guī)定為1:16 .國家標(biāo)準(zhǔn)可查閱GB/T7306-2000G是55度非螺紋密封管螺紋，屬惠氏螺紋家族.標(biāo)記為 G代表圓柱螺紋.國家標(biāo)

36、準(zhǔn)可查閱GB/T7307-2001另外螺紋中的1/4、1/2、1/8 標(biāo)記是指螺紋尺寸的直徑，單位是英吋.行內(nèi)人通常用分來稱呼螺紋尺寸，一吋等於8分，1/4吋就是2分，如此類推G好像就是管螺紋的統(tǒng)稱(Guan)，55, 60度的劃分屬于功能性的，俗稱管圓。即螺紋由一圓柱面加工而成 ZG俗稱管錐，即螺紋由一圓錐面加工而成，一般的水管接頭都是這樣的，老國標(biāo)標(biāo)注為Rc公制螺紋用螺距來表示，美英制螺紋用每英寸內(nèi)的螺紋牙數(shù)來表示，這是它們最大的區(qū)別，公制螺紋是60度等邊牙型，英制螺紋是等腰 55度牙型，美制螺紋60度。公制螺紋用公制單位，美英制螺紋用英制單位。管螺紋主要用來進(jìn)行管道的連接，其內(nèi)外螺紋的配

37、合緊密，有直管與錐管兩種。公稱直徑是指所連接的管道 直徑，顯然螺紋大徑比公稱直徑大。1/4 ,1/2 ,1/8是英制螺紋的公稱直徑，單位是英寸英制螺紋標(biāo)準(zhǔn)規(guī)格表大徑螺距中徑小徑寸每英寸牙數(shù)外螺紋牙型高底孔直徑Ww牙型代號mmmmtpimmH1mmd=Dpd2=D2d31/16BSW1.5870.423601.3151.0500.2701.153/32BSW2.3810.529482.0411.7030.3381.901/8BSW3.1750.635402.7682.3620.4062.505/32BSW3.9690.793323.4592.9520.5073.203/16BSW4.7621.0

38、58244.0843.4070.6773.707/32BSW5.5561.058244.8784.2010.6774.501/4BSW6.3501.270205.5374.7240.8135.105/16BSW7.9381.411187.0346.1310.9046.503/8BSW9.5251.588168.5097.4921.0177.907/16BSW11.1131.814149.9518.7891.1629.201/2BSW12.7002.1171211.3459.9901.35510.405/8BSW15.8762.3091114.39712.9181.47913.403/4BSW1

39、9.0512.5401017.42415.7981.62716.257/8BSW22.2262.822920.41918.6111.80719.251BSW25.4003.175823.36821.3352.03322.001 1/8BSW28.5763.629726.25323.9292.32424.5011/4BSW31.7513.629729.42827.1042.32427.2513/8BSW34.9264.233632.21529.5052.71130.251 1/2BSW38.1004.233635.39132.6802.71133.5015/8BSW41.2775.080538.

40、02434.7713.25335.5013/4BSW44.4525.080541.19937.9463.25338.5017/8BSW47.6275.64541/244.01240.3983.61441.252BSW50.8025.64541/247.18743.5733.61444.5021/4BSW57.1526.350453.08649.0204.06650.002 1/2BSW63.5026.350459.43655.3704.06656.0023/4BSW69.8537.25731/265.20560.5584.64761.503BSW76.2037.25731/271.55666.9094.64768.0031/4BSW82.5537.81631/477.54872.5445.00573.7531/2BSW88.9037.81631/483.89978.8945.00580.0033/4BSW95.2548.467389.83284.4105.42285.504BSW101.6048.467396.18290.7605.42292.0041/4BSW107.9548.83527/8102.29796.6395.65798.0041/2BSW114.3048.83527/8108