H型钢 中国标准 GB/T 11263-1998型号(高度x宽度 )类别200x200250x250表3: H型钢桩截面尺寸截面面积理论 重量和截面特性截面尺寸,mm截面特性参数截面理论2截面模半径,cm惯性矩,cm4面积cm重量 kg/mHXBt1t2r2数,cmWyIxIyixiyWx200x204244x252250x255294x302300x300300x300300x305338x351350x350344x354350x350350x357HP400x400388x402394x405400x400400x408414x405428x407500x500注：12121611111614141612122010152015152013132016162012192019192015152418182413212421212418282420352472.2882.05104.7108.3120.4135.4135.3166.6173.9198.4179.2215.2219.5251.5296.2361.4260.5307332.156.764.482.28594.5106106131137156141169172197233284204241261503087901150017000205002160028200353004030042800492005990066900711009300017002940388055206760711093808.354.8510.45.9810.56.0950372091916723330436545046653566977680980998612.57.13115013.17.49137012.67.24144014.48.3316701180014.68.4320501360015.28.8423001440014.78.5324501630016.69.5225402000016.79.6330402240017.510.1334011202380016.89.73356011703100017.710.2449015301190003940018.210.4558019301180003350021.311.4481014401470004190021.911.7586018001520004330021.411.460701840*492x465152028*502x465152528*502x4072025281.“*”表示的规格，目家目前国内尚未生产.2.型号属于同一范围的产品，其内侧尺寸高度是一致的.3.截面面积计算公式为\"t1(H-2t2)+2Bt2+0.858r2\"表面面积 m/m1.161.451.461.741.751.762.022.042.042.062.312.332.332.352.372.42.772.792.82