序言表面缺陷是轧制废品主要原因之一。清理板坯、大钢坯和毛坏是繁重的高代价的生产工序,总是不能保证得到优质的轧制坯。大多数表面缺陷是炼钢或轧钢的原因。知道缺陷的本质就可以采用必要的预防措施。和压折,褶皱、折叠,重皮不同,颇难查明裂纹和裂缝的起因。因此,常常把目测报废的裂缝缺 Preface Surface defects are one of the main causes of rolling scrap. Cleaning slabs, billets and wool is a burdensome and expensive production process, and there is always no guarantee that a high quality rolled stock will be available. Most surface defects are the cause of steelmaking or rolling. Knowing the nature of a defect can take the necessary precautions. And folding, folding, folding, heavy leather is different, it is difficult to identify the cause of cracks and cracks. Therefore, often the missing visual cracks missing