一、问题的提出为了采用相应的国际标准和国际先进标准,提高产品实物质量,满足使用要求,武钢08F钢全部按W08F组织生产,即按内控成分冶炼。该钢种是为“一米七”轧机生产极薄镀锡原板并使其钢质和力学性能指标都达到国际镀锡板水平而设计的。但是,自从1987年一季度以来,钢锭质量下降,大宗轧后废品不断出现,最多的炉罐号370152一次退废达103吨。一季度W08F轧废率为4.45％,08F First, the issue put forward In order to adopt the appropriate international standards and international advanced standards, improve the quality of products in kind, to meet the requirements, WISCO 08F steel all produced by W08F, that is, according to the internal control smelting. This steel grade is designed for the production of extremely thin tinned plates for the “one meter seven” mill and for the steel and mechanical properties to meet international tinplate standards. However, since the first quarter of 1987, the quality of steel ingots declined and the bulk of post-roll scrap continued to appear. The largest can number 370152 was disposed of at 103 tonnes in one go. W08F rolling scrap rate in the first quarter was 4.45%, 08F