GB706-1988热轧工字钢规格尺寸复习进程.doc

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1、Good is good, but better carries it.精益求精，善益求善。GB706-1988热轧工字钢规格尺寸-GB/T706-1988：热轧工字钢窗体顶端窗体底端(1)、尺寸规格，见表27表27热轧工字钢的尺寸规格符号意义：h高度；r1腿端圆弧半径；b腿宽度；l惯性矩；d腰厚度；W抗弯截面系数；t平均腿厚度；i惯性半径；C形心；r内圆弧半径；S半截面的静力矩。型号尺寸/mm截面面积/em2理论质量/(kg/m)参考数值XXY-Yhbdtrr11x/cm4Wx/cm3ix/cmIx:SxIy/cm4Wy/cm3iy/cm10100684.57.66.53.414.34511

2、.261245494.148.5933.09.721.5212.6126745.08.47.03.518.11814.22348877.55.2010.846.912.71.6114140805.59.17.53.821.51616.8907121025.7612.064.416.11.7316160886.09.98.04.026.13120.51311301416.5813.893.121.21.8918180946.510.78.54.330.75624.14316601857.3615.412226.02.0020a2001007.011.49.04.535.57827.9292370

3、2378.1517.215831.52.1220b2001029.011.49.04.539.57831.06925002507.9616.916933.12.0622a2201107.512.39.54.842.12833.07034003098.9918.922540.92.3122b2201129.512.39.54.846.52836.52435703258.7818.723942.72.2725a2501168.013.010.05.048.54138.105502040210.221.628048.32.4025b25011810.013.010.05.053.54142.0305

4、2804239.9421.330952.42.4028a2801228.513.710.55.355.40443.492711050811.324.634556.62.5028b28012410.513.710.55.361.00447.888748053411.124.237961.22.4932a3201309.515.011.55.867.15652.7171110069212.827.546070.82.6232b32013211.515.011.55.873.55657.7411160072612.627.150276.02.6132c32013413.515.011.55.879.

5、95662.7651220076012.326.854481.22.61型号尺寸/mm截面面积/em2理论质量/(kg/m)参考数值XXY-Yhbdtrr11x/cm4Wx/cm3ix/cmIx:SxIy/cm4Wy/cm3iy/cm36a36013610.015.812.06.076.48060.0371580087514.430.755281.22.6936b36013812.015.812.06.083.68065.6891650091914.130.358284.32.6436c36014014.015.812.06.090.88071.3411730096213.829.961287

6、.42.6040a40014210.516.512.56.386.11267.59821700109015.934.166093.22.7740b40014412.516.512.56.394.11273.87822800114015.633.669296.22.7140c40014614.516.512.56.3102.11280.15823900119015.233.272799.62.6545a45015011.518.013.56.8102.44680.42022200143017.738.68551142.8945b45015213.518.013.56_8111.44687.485

7、33800150017.438.08941182.8445c45015415.518.013.56.8120.44694.55035300157017.137.69381222.7950a50015812.020.014.07.0119,30493.65446500186019.742.811201423.0750b50016014.020.014.07.0129.304101.50448600194019.442.411701463.0150c50016216.020.014.07.0139.304109.35450600208019.041.812201512.9656a56016612.

8、521.014.57.3135.435106.31665600234022.047.713701653.1856b56016814.521.014.57.3146.635115.10868500245021.647.214901743.1656c56017016.521.014.57.3157.835123.90071400255021.346.715601833.1663a63017613.022.015.07.5154.658121.40793900298024.554.217001933.3163b63017815.022.015.07.5167.258131.2989810031602

9、4.253.518102043.2963c63018017.022.015.07.5179.858141.189102000330023.852.919202143.2712120745.08.47.03.517.81813.98743672.74.9510.346.912.71.6224a2401168.013.010.05.047.74137.47745703819.7720.728048.42.4224b24011810.013.010.05.052.54141.24548004009.5720.429750.42.3827a2701228.513.710.55.354.55442.82

10、5655048510.923.834556.62.5127b27012410.513.710.55.359.95447.064687050910.722.936658.92.4730a3001269.014.411.05.561.25448.084895059712.125.740063.52.5530b30012811.014.411.05.567.25452.794940062711.825.442265.92.5030c30013013.014.411.05.573.25457.504985065711.625.044568.52.4655a55016812.521.014.57.313

11、4.185105.33562900229021.646.913701643.1955b55016814.521.014.57.3145.185113.97065600239021.246.414201703.1455c55017016.521.014.57.3156.185122.60568400249020.945.814801753.08所列工字钢是经供需双方协议，可以供应的型号。(2)允许偏差见表28表28热轧工字钢的允许偏差(mm)型号8、10、12、12.6、1416、1820、22、24、25、27、28、3032、364045、50、55、56、63高度h2.03.04.0腿宽b2.02.53.03.54.0腰厚d0.50.50.70.80.9弯腰挠度不应超过0.15d通常长度519m619m-