The main characteristics of edge cracking and scab have been analyzed.
分析了边裂、翘皮的主要形态特征；
The mechanism and cause of edge cracking defect of hot-rolled strip in Kunming Iron & Steel co.
对昆钢热轧板卷边裂缺陷机理及成因进行了研究分析，提出了相应的预防控制措施，取得了较好的效果。
Structure testing in low magnificution, chemical composition analysis and microstructure examination were used to analyze the edge cracking of strip steel coil.
采用低倍组织试验、化学成分分析及金相检验等方法，对出现边裂的带钢卷进行了解剖分析。
The results showed that the immanent quality disfigurement of billets, the heating temperature on the high side and non-uniform were the main factors to cause the edge cracking.
结果表明，钢坯的内在缺陷、加热温度偏高及加热不均匀是产生边裂的主要原因。
The main reasons of the edge cracking are: expanding of horizontal cracks (including deep oscillation imprint) and fine vertical cracks of cast blank during reheating and hot rolling;
板卷产生边部裂纹的主要原因是：连铸坯表面边部横裂纹（包括深的振痕）和边部的细小纵裂纹，在加热和轧制过程中不断扩展；
The main reasons of the edge cracking are: expanding of horizontal cracks (including deep oscillation imprint) and fine vertical cracks of cast blank during reheating and hot rolling;
板卷产生边部裂纹的主要原因是：连铸坯表面边部横裂纹（包括深的振痕）和边部的细小纵裂纹，在加热和轧制过程中不断扩展；
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