管螺纹尺寸表.doc

55圆锥管螺纹型式和尺寸螺纹代号基本尺寸英 寸大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高度H1圆弧尺寸r底孔尺寸 mmR 1/161/167.7230.907287.1426.5610.5810.1256.4R 1/81/89.7280.907289.1478.5660.5810.1258.4R 1/41/413.1571.3371912.30111.4450.8560.18411.2R 3/83/816.6621.3371915.80614.9500.8560.18414.75R 1/21/220.9551.8141419.79318.6311.1620.24918.25R 3/43/426.4411.8141425.27924.1171.1620.24923.75R 1133.2492.3091131.7730.2911.4790.31730R 1 1/41 1/441.9102.3091140.43138.9521.4790.31738.5R 1 1/21 1/247.8032.3091146.32444.8451.4790.31744.5R 2259.6142.3091158.13556.6561.4790.31756R 2 1/22 1/275.1842.3091173.70572.2261.4790.31771R 3387.8842.3091186.40584.9261.4790.31785.5R 44113.0302.30911111.551110.0721.4790.317110.5R 55138.4302.30911136.951135.4721.4790.317136R 66163.8302.30911162.351160.8721.4790.317161.555圆柱管螺纹的型式和尺寸British Pipe Thread (惠氏管螺纹) - 圆柱 (BSPP/BSPF)螺纹代号基本尺寸大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高度H1底孔尺寸mmG 1/8 1/89.7280.907289.1478.5660.5818.7G 1/4 1/413.1571.3371912.30111.4450.85611.6G 3/8 3/816.6621.3371915.80614.950.85615G 1/2 1/220.9551.8141419.79318.6311.16219G 5/8 5/822.9111.8141421.74920.5871.16220.75G 3/4 3/426.4411.8141425.27924.1171.16224.5G 7/8 7/830.2011.8141429.03927.8771.16228G 1 133.2492.3091131.7730.2911.47930.5G 1 1/8 1 1/837.8972.3091136.41834.9391.47935G 1 1/4 1 1/441.912.3091140.43138.9521.47939.5G 1 3/8 1 3/8 44.3232.3091142.84441.3651.47941.5G 1 1/2 1 1/247.8032.3091146.32444.8451.47945G 1 3/4 1 3/453.7462.3091152.26750.7881.47951G 2 259.6142.3091158.13556.6561.47957G 2 1/4 2 1/465.712.3091164.23162.7521.47963G 2 1/2 2 1/275.1842.3091173.70572.2261.47972.5G 2 3/4 2 3/481.5342.3091180.05578.5761.47979G 3 387.8842.3091186.40584.9261.47985.5G 3 1/4 3 1/493.982.3091192.50191.0221.47991G 3 1/2 3 1/2100.332.3091198.35197.3721.47997.75G 3 3/4 3 3/4106.682.30911105.201103.7221.479104G 4 4113.032.30911111.55110.0721.479110.5G 4 1/2 4 1/2125.732.30911124.251122.7721.479123G 55138.432.30911136.951135.4721.479136G 5 1/2 5 1/2151.132.30911149.651148.1721.479148.5G 6 6163.832.30911162.351160.8721.479161.5英制普通螺纹 (惠氏螺纹) - 粗牙 (BSW)名义尺寸Ww牙型代号大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高H1底孔直径mm1/16BSW1.5870.423601.3151.0500.2701.153/32BSW2.3810.529482.0411.7030.3381.901/8BSW3.1750.635402.7682.3620.4062.505/32BSW3.9690.793323.4592.9520.5073.203/16BSW4.7621.058244.0843.4070.6773.707/32BSW5.5561.058244.8784.2010.6774.501/4BSW6.3501.270205.5374.7240.8135.105/16BSW7.9381.411187.0346.1310.9046.503/8BSW9.5251.588168.5097.4921.0177.907/16BSW11.1131.814149.9518.7891.1629.201/2BSW12.7002.1171211.3459.9901.35510.405/8BSW15.8762.3091114.39712.9181.47913.403/4BSW19.0512.5401017.42415.7981.62716.257/8BSW22.2262.822920.41918.6111.80719.251BSW25.4003.175823.36821.3352.03322.001 1/8BSW28.5763.629726.25323.9292.32424.501 1/4BSW31.7513.629729.42827.1042.32427.251 3/8BSW34.9264.233632.21529.5052.71130.251 1/2BSW38.1004.233635.39132.6802.71133.501 5/8BSW41.2775.080538.02434.7713.25335.501 3/4BSW44.4525.080541.19937.9463.25338.501 7/8BSW47.6275.6454 1/244.01240.3983.61441.252BSW50.8025.6454 1/247.18743.5733.61444.502 1/4BSW57.1526.350453.08649.0204.06650.002 1/2BSW63.5026.350459.43655.3704.06656.002 3/4BSW69.8537.2573 1/265.20560.5584.64761.503BSW76.2037.2573 1/271.55666.9094.64768.003 1/4BSW82.5537.8163 1/477.54872.5445.00573.753 1/2BSW88.9037.8163 1/483.89978.8945.00580.003 3/4BSW95.2548.467389.83284.4105.42285.504BSW101.6048.467396.18290.7605.42292.004 1/4BSW107.9548.8352 7/8102.29796.6395.65798.004 1/2BSW114.3048.8352 7/8108.647102.9905.657104.204 3/4BSW120.6659.2372 3/4114.740108.6255.915110.005BSW127.0059.2372 3/4121.090115.1765.915116.505 1/4BSW133.3559.6772 5/8127.159120.9636.196122.505 1/2BSW139.7059.6772 5/8133.509127.3136.196128.505 3/4BSW146.05510.1602 1/2139.549133.0436.506134.506BSW152.40610.1602 1/2145.900139.3946.506141.00英制普通螺纹 (惠氏螺纹) - 细牙 (BSW)名义尺寸BSF牙型代号大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2小径外螺纹d3牙型高H1底孔直径mm 3/16BSF4.7630.794324.2553.7470.5084.007/32BSF5.5560.907284.9754.3940.5814.601/4BSF6.3500.977265.7255.1000.6255.309/32BSF7.1420.977266.5185.8930.6256.105/16BSF7.9381.156227.1996.4590.7396.803/8BSF9.5251.27208.7127.8990.8138.307/16BSF11.1131.4111810.2099.3040.9049.701/2BSF12.7001.5881611.68410.6681.01711.109/16BSF14.2881.5881613.27212.2561.01712.705/8BSF15.8751.8141414.71213.5491.16214.0011/16BSF17.4631.8141416.30015.1371.16215.503/4BSF19.0502.1171217.69316.3361.35516.7513/16BSF20.6382.1171219.28117.9241.35518.257/8BSF22.2252.3091120.74719.2691.47919.751BSF25.4002.541023.77422.1481.62722.751 1/8BSF28.5752.822926.76924.9631.80726.501 1/4BSF31.7502.822929.94428.1381.80728.751 3/8BSF34.9253.175832.89330.8612.03331.501 1/2BSF38.1003.175836.06834.0362.03334.501 5/8BSF41.2753.175839.24337.2112.03338.001 3/4BSF44.4503.629742.12639.8022.32440.502BSF50.8003.629748.47646.1522.32447.002 1/4BSF57.1504.234654.44051.7302.71153.002 1/2BSF63.5004.234660.79058.0802.71159.002 3/4BSF69.8504.2