Home / Standards / GB 706-65 GB 706-65 Hot-rolled I-beam dimensions, shape, weight and permissible deviations — Replacement for 热轧工字钢尺寸、外形、重量及允许偏差 代替 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A