| METALS AND METAL MATRIX COMPOSITES |
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| System Control of Aging Period in Winter for Large Diameter 82B for Prestressing Stranded Wire |
| FANG Wen1, WANG Haibin2, ZHANG Chaolei1, WANG Hongbin2, MA Xiaoyi3
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1 School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083;
2 HBIS Group Co., Ltd., Xuansteel Company, Xuanhua 075100;
3 School of Mechanical Engineering, Qinghai University, Xining 810016 |
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Abstract The phenomenon of large diameter 82B wire rods have longer aging period is widespread in industry. The systematic control for aging period in winter of 82B wire rods with Φ12.5 mm was investigated by industrial mill trials in HBIS group Xuansteel company. The results show that: by controlling the heating temperature at 1 060—1 080 ℃ in the heating furnace, adjusting the distribution rate of water quantity between 1#—4# water block, controlling the cooling rate less than 1.7 ℃/s from the completion of phase transformation to coil collecting device and the cooling rate no more than 0.13 ℃/s between coil collection car and stripper car, the 82B wire rods (rolling off the assembly line 7 d) cold drawing process can be undertaken steadily in large industrial production when the drawing temperature lies at -12—-22 ℃ in winter, the drawing speed is improved from 4.5—5.5 m/s to 6.0 m/s.
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Published: 19 June 2019
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| Fund:This work was financially supported by Basic Research Projects in Qinghai Province, China (2017-ZJ-751). |
| About author:: Wen Fang is a graduate student of Materials Science and Engineering, University of Science and Technology Beijing. Under the guidance of associate professor Chaolei Zhang, the main research fields are material forming theory and microstructure performance control.Chaolei Zhangreceived his Ph.D. degree in material processing engineering from University of Science and Technology Beijing in January 2013. He is currently an associate professor in USTB, and selected into Qinghai province's "Thousands of High-end Innovative Talents Program". His research interests are control of material microstructure and properties, development and application of advanced steel materials. He has published more than 30 papers as the first author. And more than 10 patents for invention were authorized. |
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2019, Vol. 33 
