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采用电子显微镜与能谱分析对SUS430带钢表面的黄色脏污缺陷进行分析和研究,结果表明:SUS430冷轧带钢表面的黄色脏污缺陷主要是由于生产机组电解段除鳞能力不足,部分氧化铁皮残留在带钢表面造成。通过修订生产机组Na_2SO_4电解工艺参数、提高脱脂及刷洗能力等措施,SUS430冷轧带钢表面的黄色脏污缺陷得到了消除。
The results showed that the yellow stain on the surface of SUS430 cold-rolled strip was mainly due to the lack of descaling capability in the electrolysis section of the production unit and the partial oxidation Metal surface caused by the residue in the strip. By amending the technological parameters of Na_2SO_4 electrolysis in the production unit and improving the ability of degreasing and scrubbing, yellow stain defects on the surface of SUS430 cold-rolled strip have been eliminated.