H型钢表面积对照表类别型号高*宽100*100125*125150*150175*175200*200250*250300*300HW350*350400*400截面尺寸H*B(mm)100*100125*125150*150175*175200*200＃200*204250*250＃250*255＃294*302300*300300*305＃344*348350*350＃388*402＃394*398400*400＃400*408＃414*405＃428*407＃458*417＃498*432148*100194*150244*175294*200340*250390*300440*300482*300488*300582*300588*300＃594*302腹厚t166.577.5812914121015101215111321182030456678910111111121214边厚t289101112121414121515161915182121283550709911121416181518172023HM150*100200*150250*175300*200350*250400*300450*300500*300600*300理论重量kg/m17.223.831.940.350.556.772.482.28594.510611513714114717219723328441560521.421.244.157.379.7107124115129137151175表面积M2/t32.58831.59728.33926.20323.92121.44620.88418.51621.25919.21717.22618.2715.4617.09916.36114.07612.37610.5248.7786.2024.44132.61731.92327.16624.41521.26718.68216.9271917.03117.42315.88713.8