表4-6常用等边角钢规格(摘自GB9787—88)b—边宽d—边厚型号尺寸(mm)理论重量(kg/m)型号尺寸(mm)理论重量(kg/m)bdbd220340.8891.1455.65634582.6243.4464.2516.5682.525341.1241.459330341.3731.7866.3634568103.9074.8225.7217.4699.1513.6363451.6562.1632.654770456784.3725.3976.4067. (共 776 字) [阅读本文] >>


说明: 本文档由创作者上传发布,版权归属创作者。若内容存在侵权,请点击