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1、公稱口徑外徑普通鋼管加厚鋼管mmin公稱尺寸mm允許偏差壁厚理論重量kg/m壁厚理論重量kg/m公稱尺寸mm允許偏差%公稱尺寸mm允許偏差%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尺寸代號(hào)?每寸牙數(shù)???大徑?????中徑?????小徑?????建議底孔??????基準(zhǔn)距離??????牙數(shù)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英制管螺紋尺寸表管螺紋(G)系列螺紋絲套規(guī)格、型式尺寸及安裝參數(shù)表管螺紋規(guī)格公稱直徑
5、螺距公稱長(zhǎng)度鉆孔深度攻絲深度鉆孔直徑(mm)L1(mm)L2(mm)切削絲錐擠壓絲錐尺寸牙數(shù)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
