英制管螺纹尺寸表

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1、公称口径外径普通钢管加厚钢管mmin公称尺寸mm允许偏差壁厚理论重量kg/m壁厚理论重量kg/m公称尺寸mm允许偏差%公称尺寸mm允许偏差%681015202532401/81/43/81/23/4111/411/210.013.517.021.326.833.542.348±0.50mm2.002.252.252.752.753.253.253.50＋12－150.390.620.821.261.632.423.133.842.502.752.753.253.504.004.004.25＋12－150.460.730.971.452.012.913.784.5850658

2、0100125150221/2345660.075.588.5114.0140.0165.0±1%3.503.754.004.004.004.504.886.648.3410.8513.4217.814.504.504.755.005.505.506.167.889.8113.4418.2421.63尺寸代号 每寸牙数   大径     中径     小径     建议底孔      基准距离      牙数1/8        27    10.242    9.489    8.736      φ8.6         4.102        4.361/4    

3、    18     13.616   12.487    11.358     φ11.1        5.786        4.103/8        18     17.055   15.926    14.797     φ14.5        6.096        4.321/2        14     21.223   19.772    18.321     φ17.9        8.128        4.483/4        14     26.568   25.117    23.666     φ23.2        8.

4、611        4.751         11.5    33.228   31.461    29.694     φ29.2       10.160       4.601-1/4      11.5    41.985   40.218    38.451     φ37.9       10.668       4.831-1/2      11.5    48.054   46.287    44.520     φ43.9       10.668       4.83英制管螺纹尺寸表管螺纹(G)系列螺纹丝套规格、型式尺寸及安装参数表管螺纹规格公称直径

5、螺距公称长度钻孔深度攻丝深度钻孔直径(mm)L1(mm)L2(mm)切削丝锥挤压丝锥尺寸牙数nd(mm)p(mm)xdL(mm)minminminmaxminmax1/16287.7230.9070.5d3.867.945.687.907.998.428.511/16287.7230.9070.75d5.799.877.617.907.998.428.511/16287.7230.9071d7.7211.809.547.907.998.428.511/16287.7230.9071.5d11.5815.6713.407.907.998.428.511/16287.7230.

6、9072d15.4519.5317.267.907.998.428.511/16287.7230.9072.5d19.3123.3921.127.907.998.428.511/16287.7230.9073d23.1727.2524.987.907.998.428.511/16287.7230.9073.5d27.0331.1128.847.907.998.428.511/16287.7230.9074d30.8934.9732.717.907.998.428.511/8289.7290.9070.5d4.868.956.689.9110.0010.4310.521/82

7、89.7290.9070.75d7.3011.389.119.9110.0010.4310.521/8289.7290.9071d9.7313.8111.549.9110.0010.4310.521/8289.7290.9071.5d14.5918.6816.419.9110.0010.4310.521/8289.7290.9072d19.4623.5421.279.9110.0010.4310.521/8289.7290.9072.5d24.3228.4026.149.9110.0010.4310.521/828