工字钢国家标准 工字钢国家标准允许误差

【工字钢国家标准 工字钢国家标准允许误差】1、工字钢分普通工字钢和轻型工字钢型号高度h腿宽b腰厚d10100684.512.6126745.014140805.516160886.018180946.520a2001007.020b2001029.022a2201107.522b2201129.525a2501168.025b25011810.028a2801228.528b28012410.532a3201309.532b32013211.532c32013413.536a36013610.0型号高度h腿宽b腰厚d36b36013812.036c36014014.040a40014210.540b40014412.540c40014614.545a45015011.545b45015213.545c45015415.550a50015812.050b50016014.050c50016216.056a56016612.556b56016814.556c56017016.563a63017613.563b63017815.063c63018017.0 。
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