不锈钢热轧钢板表面黑斑缺陷形成机理分析  

Analysis on the Formation Mechanism of Black Spot Defect on the Surface of Hot Rolled Stainless Steel Plate

作　　者：邹庆华 Zou Qinghua(Cold Rolling Mill Plant of Shanxi Taigang Stainless Steel Co.,Ltd.,Taiyuan Shanxi 030003)

机构地区：[1]山西太钢不锈钢股份有限公司冷轧厂,山西太原030003

出　　处：《山西冶金》2022年第7期60-61,共2页Shanxi Metallurgy

摘　　要：退火酸洗后的不锈钢热轧钢带在开平切片包装后运输至下游客户,客户在打开包装后发现钢板表面出现黑斑缺陷。因此,对缺陷形态以及缺陷部位的微观成分进行了分析。根据分析结果,确定了带钢表面黑斑缺陷产生的原因,并对黑斑缺陷提出相关改进和预防措施,避免缺陷在生产运输过程中出现黑斑缺陷。Black spot defects were found on the surface of the hot-rolled stainless steel strip after annealing and pickling during the transportation process after the package of flattened slices.This paper analyzes the defect shape and the micro composition of the defect part.According to the analysis results,the causes of black spot defects on the surface of strip steel are determined,and relevant improvement and preventive measures are put forward to avoid black spot defects in the process of production and transportation.

关 键 词：不锈钢热轧钢板 黑斑 分析 

分 类 号：TG113.25[金属学及工艺—物理冶金]