20号钢无缝钢管折叠缺陷原因分析 |
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引用本文: | 黄野,何必飞,王安仁,张江山,杨树峰.20号钢无缝钢管折叠缺陷原因分析[J].工业加热,2016(2):5-7. |
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作者姓名: | 黄野 何必飞 王安仁 张江山 杨树峰 |
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作者单位: | 北京科技大学冶金与生态工程学院,北京,100083 |
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基金项目: | 河北省科技计划项目 (142176112D) |
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摘 要: | 针对某厂生产的20号钢圆钢经穿管后出现折叠缺陷的问题,通过对连铸坯、圆钢、钢管三个环节的产品质量进行调研和分析,找到折叠的原因是连铸坯表面存在划痕。提出了改进连铸坯表面划痕的措施并对改进后钢材进行质量跟踪,使钢管成品率提高为98%。
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关 键 词: | 连铸 划痕缺陷 无缝钢管 折叠缺陷 |
Analysis of Reason for Surface Enfoldment Defect of 20# Seamless Steel Tube |
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Abstract: | An investigation about quality of billet, bar and seamless tube was carried out to find the reason for the surface enfoldment defect on 20# seamless steel tube. The results show that the scratch on the surface of billet is the main reason and after optimization the rate of qualified seamless tube is 98%. |
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Keywords: | continous casting scratch defect seamless steel tube enfoldment defect |
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