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大规格Q420B热轧角钢轧制中间道次开裂缺陷分析
张宏亮,冯光宏,崔怀周
Analysis of crack defects in Q420B angle steel #br# during hot rolling process
ZHANG Hongliang,FENG Guanghong,CUI Huaizhou
钢铁 . 2019, (9): 73 -78 .  DOI: 10.13228/j.boyuan.issn0449749x.20180418