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80 Steel Surface Depression Analysis and Preventive Measures
Author(s): 
Pages: 41-46
Year: Issue:  1
Journal: Continuous Casting

Keyword:  表面凹陷 表面质量 角部裂纹;
Abstract: 分析了80号钢表面凹陷的主要原因并提出了合理的预防措施。研究指出,化学成分、浇注温度、拉速、水口对中、保护渣等工艺因素的改变对80号钢表面凹陷只能起到削弱作用,只有调整好诸如结晶器水缝、水套、振动台水平、对中对弧精度设备状态,才起到根治凹陷的作用。当表面凹陷消失后,漏钢、角部裂纹也随之消失,铸坯质量得到保障。
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