各国标准螺纹基本尺寸对照表Word文档下载推荐.docx

1、44.854G259.61458.13556.656G2.1/2”X1175.18473.70572.226+0.217-0.217-0.434G3”X1187.88486.40584.926G3.1/2”X11100.33098.85197.372英制锥管螺纹基本尺寸及公差（牙形角55） BSPT基面上的直径基准长度有效螺纹长度圆锥内螺纹基面轴向位移偏差（mm）基本最大最小R1/84.04.93.16.57.45.61.1R1/46.07.34.79.711.08.41.7R3/86.47.75.110.111.48.8R1/28.210.013.215.02.3R3/49.511.314.

2、516.312.7R110.48.116.819.12.9R1.1/421.4R1.1/244.845R215.918.213.623.425.721.1R2.1/2”X1117.521.014.026.730.223.23.5R3”X1120.624.117.129.833.326.3R3.1/2”X1122.218.731.434.927.9美制管螺纹基本尺寸及公差（牙形角60） UN（F）公差等级2A2BJIC螺纹7/1620UNF11.07910.87410.25410.1479.56810.03310.28710.42411.1131/212.66712.46111.84111.73

3、211.15611.32811.60811.87512.0179/1618UNF14.25214.03113.33513.22112.57312.75113.08113.37113.5214.2883/416UNF19.01218.77317.98117.85417.1217.32317.67818.01918.18419.057/814UNF22.18421.92321.00620.86920.02520.26920.67621.04621.22422.2251-1/1612UN26.94426.65525.5725.42524.42524.68925.14625.61325.80126.9

4、881-5/1633.29433.00531.9231.77330.77531.03931.49631.96332.15433.3381-5/841.22940.9439.88539.70538.7138.98939.44639.90140.09441.2751-7/847.57947.2946.20546.05345.0645.33945.79646.25146.44947.6252-1/263.45263.16262.07861.9260.93261.21461.67162.12662.33263.5ORFS螺纹11/1616UN17.42717.18816.39616.27415.535

5、15.74816.10416.43116.58917.46313/1620.59920.36119.56819.44418.70718.92319.27919.60619.76620.638125.35725.09524.17824.03623.19523.44423.82524.22124.40725.41-3/1630.11929.8328.74528.59827.627.86428.32128.78828.97930.1631-7/1636.46736.17735.09334.94333.94734.21434.67135.13835.33136.5131-11/1642.81742.5

6、2741.44341.2940.29740.56441.02141.48841.68642.863250.75450.46549.3849.22548.23548.51448.97149.42649.62750.8SAE螺纹5/815.83915.61814.92314.80314.16114.35114.68114.95815.1115.87514UN26.94726.68325.74325.60824.7424.96825.37525.78325.96126.987其它美制螺纹14.01313.10112.3612.92913.25613.41122.18221.89220.80820.6

7、6819.66219.93920.39620.85121.0342-1/457.10456.81555.7355.57554.58554.86455.32155.77655.97657.15注：UNC粗牙螺纹系列，UNF细牙螺纹系列， UNEF超细牙螺纹系列， UN不变螺距系列布锥管螺纹基本尺寸及公差（牙形角60） NPT螺纹长度有效长度管端至基面长Z1/82710.2729.5198.76674.572Z1/41813.57212.44311.3145.080Z3/817.05515.92614.79710.56.096Z1/221.22319.77218.32113.58.028Z3/42

8、6.56825.11723.6668.611Z111.533.22831.46129.69410.160Z1.1/441.98540.21838.45110.688Z1.1/248.05446.28744.52018.5Z260.09258.32556.55811.074公制螺纹基本尺寸及公差（牙形角60） M内 螺 纹大 径中 径小 径公 差 等 级6H7H6gM10X1109.3508.917+0.150+0.236+0.190+0.300-0.026-0.138-0.206M12X11211.35010.917+0.160+0.200-0.144M14X113.35012.917M12X

9、1.2511.18810.647+0.265+0.224+0.335-0.028-0.160-0.240M14X1.2513.18812.647M12X1.511.02610.376+0.375-0.032-0.172-0.268M14X1.513.02612.376M16X1.51615.02614.376M18X1.517.02616.373M20X1.52019.02618.376M22X1.52221.02620.376M24X1.52423.02622.376+0.250-0.182M26X1.52625.02624.376M27X1.526.02625.376M30X1.53029

10、.02628.376M33X1.53332.02631.376M36X1.53635.02634.376M39X1.53938.02637.376M42X1.54241.02640.376M27X225.70124.835+0.280+0.475-0.038-0.208-0.318M30X228.70127.835M33X231.70130.835M36X234.70133.835M39X237.70136.835M42X240.70139.835M45X24543.70142.835M52X25250.70149.835-0.218M60X26058.70157.835M64X26462.7

11、0161.835M72X27270.70169.83555圆锥管螺纹基本尺寸对照表最新下载-汇兴达圆锥管螺纹（BSPT）基本尺寸英寸大径mmd=D螺距mmp每英寸牙数tpi中径mmd2=D2d3牙型高度H1圆弧尺寸r底孔尺寸mmR 1/161/167.7230.9077.1426.5610.5810.125R 1/81/8R 1/41/41.3370.8560.18411.2R 3/83/814.75R 1/21/21.8141.1620.24918.25R 3/43/423.75R 112.30931.771.4790.317R 1 1/41 1/438.5R 1 1/21 1/244.5R

12、 2256R 2 1/22 1/271R 3385.5R 44113.030111.551110.072110.5R 55138.430136.951135.472136R 66163.830162.351160.872161.5聊城市鑫茂祥管业有限公司专业经营钢管规格：5mm*1mm1020mm*200mm合金钢管、外径22mm-127mm冷轧无缝钢管、外径127mm-600mm，壁厚16mm-100mm，外径精度0.5%,壁厚精度5%热轧中厚壁无缝钢管、16Mn外径4001600mm、壁厚2060mm的大口径厚壁卷管，可定尺到16米及各种规格的无缝方管、异型无缝钢管等.常备钢管种类有:构造用无缝钢管、流体用无缝钢管、液压无缝钢管、电力用无缝钢管、石油输送用无缝钢