一前言1J79合金是我所主要产品之一,生产量大,尺寸规格多,十几年来生产一直比较稳定,用户反映也很好。但是,自从使用山东重油作加热燃料以来,1J76合金热轧带坯表面出现的鱼鳞状(尤其带坯的边部)十分严 A preface 1J79 alloy is one of my main products, large production, size and more specifications, more than 10 years of production has been relatively stable, the user response is also very good. However, since the use of Shandong heavy oil as a heating fuel, 1J76 alloy hot rolled billet appears on the surface of the fish scale (especially the edge of the billet) is very strict