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、组织中出现网状破化物、索氏体含量偏低以及盘条表面缺陷等。