Q420B钢伸长率不合格原因分析

Q420B钢伸长率不合格原因分析

张开广，童明伟，陈颜堂，刘文斌

Causes Analysis of the Unqualified Elongation of Q420B Steel

ZHANG Kai-guang, TONG Ming-wei, CHEN Yan-tang, LIU Wen-bin

中国钢铁期刊网 . 2014, (4): 35 -38 . DOI: 10.13228/j.boyuan.issn1001-0777.20130058