八、热轧普通工字钢(GB706-65)

热轧普通工字钢技术数据见表11-372。表11-372热轧普通工字钢技术数据型号尺寸,mm重量kg/mhbd10100684.511.212.6141612614016074808855.5614.216.920.51820a20b22a22b180200200220220941001021101126.5797.59.524.127.931.13336.425a25b28a28b32a32b32c36a36b36c250250280280320320320360360 ......（本文共 351 字 ）     [阅读本文] >>