管螺纹尺寸对照表.pdf

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1、55°圆锥管螺纹型式和尺寸基本尺大径螺距每英寸中径小径牙型高圆弧尺底孔尺螺纹代寸mmmm牙数mm外螺纹度寸寸号英寸d=Dptpid2=D2d3H1rmmR1/161/16＂7.7230.907287.1426.5610.5810.1256.4R1/81/8＂9.7280.907289.1478.5660.5810.1258.4R1/41/4＂13.1571.3371912.30111.4450.8560.18411.2R3/83/8＂16.6621.3371915.80614.9500.8560.18414.75R1/21/2＂20.9551.814141

2、9.79318.6311.1620.24918.25R3/43/4＂26.4411.8141425.27924.1171.1620.24923.75R11＂33.2492.3091131.7730.2911.4790.31730R11/411/4＂41.9102.3091140.43138.9521.4790.31738.5R11/211/2＂47.8032.3091146.32444.8451.4790.31744.5R22＂59.6142.3091158.13556.6561.4790.31756R21/221/2＂75.1842.3091173.70

3、572.2261.4790.31771R33＂87.8842.3091186.40584.9261.4790.31785.5R44＂113.0302.30911111.551110.0721.4790.317110.5R55＂138.4302.30911136.951135.4721.4790.317136R66＂163.8302.30911162.351160.8721.4790.317161.555°圆柱管螺纹的型式和尺寸BritishPipeThread(惠氏管螺纹)--圆柱(BSPP/BSPF)大径螺距每英寸牙中径小径牙型高底孔尺螺纹代基本尺mmm

4、m数mm外螺纹度寸号寸d=Dptpid2=D2d3H1mmG1/81/8＂9.7280.907289.1478.5660.5818.7G1/41/4＂13.1571.3371912.30111.4450.85611.6G3/83/8＂16.6621.3371915.80614.950.85615G1/21/2＂20.9551.8141419.79318.6311.16219G5/85/8＂22.9111.8141421.74920.5871.16220.75G3/43/4＂26.4411.8141425.27924.1171.16224.5G7/87/8＂

5、30.2011.8141429.03927.8771.16228G11＂33.2492.3091131.7730.2911.47930.5G11/811/8＂37.8972.3091136.41834.9391.47935G11/411/4＂41.912.3091140.43138.9521.47939.5G13/813/8＂44.3232.3091142.84441.3651.47941.5G11/211/2＂47.8032.3091146.32444.8451.47945G13/413/4＂53.7462.3091152.26750.7881.4795

6、1G22＂59.6142.3091158.13556.6561.47957G21/421/4＂65.712.3091164.23162.7521.47963G21/221/2＂75.1842.3091173.70572.2261.47972.5G23/423/4＂81.5342.3091180.05578.5761.47979G33＂87.8842.3091186.40584.9261.47985.5G31/431/4＂93.982.3091192.50191.0221.47991G31/231/2＂100.332.3091198.35197.3721.4

7、7997.75G33/433/4＂106.682.30911105.201103.7221.479104G44＂113.032.30911111.55110.0721.479110.5G41/241/2＂125.732.30911124.251122.7721.479123G55＂138.432.30911136.951135.4721.479136G51/251/2＂151.132.30911149.651148.1721.479148.5G66＂163.832.30911162.351160.8721.479161.5英制普通螺纹(惠氏螺纹)--粗牙(

8、BSW)大径螺距每英寸牙中径小径名义尺寸牙型代mmmm数mm外螺纹