| 热镀锌结构钢带S550GD+Z的连退模拟试验 |
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| 引用本文： | 康华伟.热镀锌结构钢带S550GD+Z的连退模拟试验[J].金属热处理,2020,45(11):154-156. |
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| 作者姓名： | 康华伟 |
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| 作者单位： | 山东钢铁集团日照有限公司 钢铁研究院, 山东 日照 276800 |
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| 摘 要： | 通过对S550GD+Z热镀锌结构钢带的连续退火工艺研究,采用不添加贵金属的钢种成分体系下,探讨了不同退火均热温度与保温时间对其组织和性能的影响。结果表明,退火均热温度为605 ℃,保温时间为105~132 s时,试样的屈服强度≥570 MPa,抗拉强度≥600 MPa,伸长率A80≥10%,可满足S550GD+Z钢带的标准力学性能要求。
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| 关 键 词： | 热镀锌S550GD+Z钢带 退火均热温度 保温时间 力学性能 |
| 收稿时间： | 2020-04-23 |
Continuous annealing simulation test of hot dip galvanized structural S550GD+Z steel strip |
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| Kang Huawei.Continuous annealing simulation test of hot dip galvanized structural S550GD+Z steel strip[J].Heat Treatment of Metals,2020,45(11):154-156. |
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| Authors: | Kang Huawei |
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| Affiliation: | Iron and Steel Research Institute, Shandong Iron and Steel Group Rizhao Co., Ltd., Rizhao Shandong 276800, China |
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| Abstract: | Through the study of continuous annealing process of hot dip galvanized structural steel strip S550GD+Z without adding precious metal, the influence of different annealing soaking temperatures and holding time on the microstructure and properties was studied. The results show that when the annealing soaking temperature is 605 ℃ and the holding time is 105-132 s, the yield strength and tensile strength of the specimen can reach or being more than 570 MPa and 600 MPa respectively, and the elongation can reach or being more than 10%, which can meet the standard requirements for mechanical properties of the S550GD+Z steel strip. |
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| Keywords: | hot dip galvanized S550GD+Z steel strip annealing soaking temperature holding time mechanical properties |
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