热轧H型钢和剖分T型钢（GB／T11263～199http://www.tjgtw.com2009-1-915:04:43天津钢铁网1)分类和代号。表1热轧H型钢和剖分T型钢的分类和代号类别分类名称代号1．H型钢(1)宽翼缘H型钢HW(2)中翼缘H型钢HM(3)窄翼缘H型钢HN2．H型钢桩HP3．剖分T型钢(1)宽翼缘剖分T型钢TW(2)中翼缘剖分T型钢TM(3)窄翼缘剖分T型钢TN(2)尺寸规格见表2～表4。(3)允许偏差见表5～表8表2宽、中、窄翼缘H型钢的尺寸规格H—高度B—宽度t1—腹板厚度t2—翼缘厚度r—圆角半径类别型号(高度×宽度)截面尺寸／nma截面面积／cm²理论质量／(kg／m)截面特性参数H×Bt1t2r惯性矩／cm4惯性半径／cm截面模数／cm³IxIyiXiYWxWyHW100×100100×100681021.9017.23831344.182.4776.526.7125×125125×1256.591030.3123.88472945.293.1113647.0150×150150×1507101340.5531.916605646.393.7322175.1175×175175×1757.5111351.4340.329009847.504.37331112200×200200×2008121664.2850.5477016008.614.99477160#200×20412121672.2856.7503017008.354.85503167250×250250×2509141692.1872.41080036501O．86.29867292250×255141416104.782.21150038801O．56.09919304300×300#294×302121220108.385．O170..