类别型号(H×B)100×100125×125150×150175×175200×200截面尺寸(mm)t1t2H×B100×100125×125150×150175×175200×200200×204250×250250×255294×30266.577.581291412101510121511132118203045667891011111112121489101112121414121515161915182121283550709911121416181518172023r101013131616161620202020202424242424242424131616202024242828282828重量(kg/m)17.223.831.940.350.556.772.482.28594.510611513714114717219723328441560521.431.244.157.379.7107124115129137151175重量(kg/m)表面积㎡/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表面积备注###250×250300×300300×300300×305HW350×350344×348350×350388×402394×398400×400###400×400400×408414×405428×407458×417498×432#####150×100200×150250×175300×200350×250148×100194×150244×175294×200340×250390×300440×300482×300488×300582×300HM400×300450×300500×300600×300588×300594×302#备注类别型号(H×B)截面尺寸(mm)类别型号(H×B)100×50125×60150×75175×90200×100H×B100×50125×60150×75175×90198×99200×100248×124250×125298×149300×150346×174350×175400×150396×199400×200450×150446×199450×200500×150496×199t156554.55.5565.56.567878989109101110111213131414151618t278787889899111311131412141614161915172020242226232834r1010101013131313161616161616162020202020202024242428282828282828重量(kg/m)9.5413.314.318.218.521.725.829.732.637.341.85055.856.76665.566.776.577.179.589.610395.1106120166185191210213243286㎡/t41.69836.65842.08339.2343.1737.08638.82333.9336.95132.4633.57728.27425.29928.31524.4823.07825.56822.42620.90222.70920.26317.75621.10719.03316.92315.71814.19214.71813.46414.10712.45810.685备注250×125300×150350×175400×150400×200450×150450×200500×150HN500×200500×200506×201596×199600×200600×200606×201692×300700×300792×300800×300890×299700×300800×300900×300900×300912×302 1、“#”表示的规格为非常用规格；“*”表示的规格，目前国内尚未生产； 2、型号属同一范围的产品，其内侧尺寸是一致的； 3、截面面积计算公式为\"t1(H-2t2)+2Bt2+0.858r2。\"
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