| 影响小连轧机生产的螺纹钢质量的主要因素 |
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| 引用本文： | 林文芳,肖寄光.影响小连轧机生产的螺纹钢质量的主要因素[J].南方金属,1998(5). |
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| 作者姓名： | 林文芳 肖寄光 |
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| 作者单位： | 广东省韶关钢铁集团有限公司 |
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| 摘 要： | 本文论述了影响小连轧机生产的螺纹钢冷弯性能的主要因素：方坯连铸工艺造成坯料成分偏析及金相组织异常并遗传到钢材上；坯料加热工艺导致成材后出现异常金相组织；轧制变形过程产生残余应力；C、Mn含量偏高。通过改进生产工艺及适当调整化学成分，从根本上改善了螺纹钢冷弯性能。
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| 关 键 词： | 小连轧 螺纹钢 金相组织 |
Main Factors Which Affect the Cold-bending Property of Screw bar Produced by Small-scale Continuous Mill |
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| Lin Wenfang, Xiao Jiguang.Main Factors Which Affect the Cold-bending Property of Screw bar Produced by Small-scale Continuous Mill[J].Southern Metals,1998(5). |
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| Authors: | Lin Wenfang Xiao Jiguang |
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| Affiliation: | Shaoguan Iron and Steel Group Co. Ltd. |
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| Abstract: | This paper describes main factors which affect the cold-bending property of reinforced bar produced by our company's small-scale continuous mill. Continuous casting process caused chemical elements segregation and abnormal structure of billet, while the abnormal strcture of billet could be presert to screw bar by heredity. Billet-reheating procase brought about abnormal structure of the screw bar; Rolling-deforming caused the remaining stress of re-bar; C and Mn content were higher. By means of improving processes and revising chemical elements properly, cold-bending property of screw bar was improved greatly. |
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| Keywords: | small-scale continuous mill screw bar metallographic structure |
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