英國工字鋼尺寸規(guī)格(BS4-1:2005)如表3-2-4所示。表3-2-4工字鋼規(guī)格型號單位重量高度寬度厚度圓角半徑腰腿hbstr1r2kg/mmmmmmmmmmmmm254×203×8282.0254.0203.210.219.919.69.7254×114×3737.2254.0114.37.612.812.46.1203×152×5252.3203.2152.48.916.515.57.6152×127×3737.3152. (共 552 字) [閱讀本文] >>