2热轧工字钢(GB/T706-1988 )
计算公式:W=0.00785d[h+f(b-d)] 备注:高度h,腿宽b,d为腰厚f值:一般型号及带a的为3.34,带b的为2.65,带c的为2.26 热轧工字钢的尺寸及质量
尺寸 (mm)截面面积理论质量
号数高度h腿宽bd为腰厚(cm²)Ｗ/(kg/m)备注
1010012.612614140161601818020a20020b20022a22022b22025a25025b25028a28028b28032a32032b32032c32036a36036b36036c36040a40040b40040c40045a45045b45045c45050a50050b50050c50056a56056b56056c56063a63063b63063c630684.5745.0805.5886.0946.57.09.07.59.58.010.08.510.59.511.513.510.012.014.010.512.514.511.513.515.512.014.016.012.514.516.513.015.017.014.34518.11821.51626.13130.75635.57839.57842.12846.52848.54153.54155.40461.00467.15673.55679.95676.48083.68090.88086.11294.11211.26114.22316.89020.51324.14327.92931.06933.07036.52438.10542.03043.49247.88852.71757.74162.76560.03765.68971.34167.59873.87880.15880.42087.48594.55093.654101.504109.354106.316115.108123.900121.407131.298141.189
100102110112116118122124130132134136138140142144146102.112150102.146152111.146154120.146158119.304160129.304162139.304166135.435168146.635170157.835176154.658178167.258180179.858
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