The break marks is a kind of strip marks that is vertical to rolling direction, occurring at some locations of hot-rolled steel strip during uncoiling.

• 热轧低碳钢卷开卷后出现横折缺陷是一种常见现象,无论是国内产品还是进口产品都不同程度地出现横折缺陷,给用户带来许多不便和损失。