The results show that 82B wire rod brittle fracture is mainly caused by excessive inclusion,reticulate carbide,lower sorbite in the microstructure,and surface defect of wire rod.

• 结果表明,82B钢盘条脆断的主要原因是夹杂物级别超标、组织中出现网状碳化物、索氏体含量偏低以及盘条表面缺陷等。