熔体质量和工艺裂边是影响5005合金铸轧产品质量的重要因素之一。
The hydrogen content and processing edge cracks was one of the important facts that effected the quality of 5005 aluminium alloy casting-rolling strips.
结果表明，热轧Q 345 B中厚板表面纵裂纹是由于铸坯中存在夹杂物及铸坯纵裂引起的。
The results show that the surface longitudinal crack of hot-roll Q345B medium plate is caused by inclusion and surface longitudinal crack of slab.
对生产数据进行分析，认为钢水成分、拉速和结晶器液面波动等是造成连铸坯表面纵裂的主要原因。
The composition of molten steel, cast speed and mould level changing are thought to be main reasons of causing surface longitudinal cracks by analyzing producing data.
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