| 退火温度对铁素体不锈钢Y0Cr17SiS组织和性能的影响 |
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| 引用本文： | 严道聪,王贞应,马振宇,朱晓洁,臧震.退火温度对铁素体不锈钢Y0Cr17SiS组织和性能的影响[J].特殊钢,2021,42(4):78-80. |
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| 作者姓名： | 严道聪 王贞应 马振宇 朱晓洁 臧震 |
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| 作者单位： | 1. 瑞浦科技集团特殊钢研究院，丽水323900 ；
2. 宝钢特钢长材有限公司，上海200940; |
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| 摘 要： | 热轧状态下的铁素体不锈钢Y0Cr17SiS综合性能较差,不能满足加工使用要求,需进行退火处理,研究了退火温度750 ℃、800℃、850℃、900℃对Y0Cr17SiS钢Φ11 mm热轧材的组织和性能的影响。结果表明,经900℃2 h空冷退火,Y0Cr17SiS钢组织均匀、无析出物产生,抗拉强度为510 MPa,断后延伸率为36%,断面收缩率为65%,HBW硬度值为171。在不锈钢Y0Cr17SiS 35℃的5% NaCl水溶液的雾腐蚀测试能保持24 h不生锈。
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| 关 键 词： | 铁素体不锈钢Y0Cr17SiS 退火 组织 析出相 力学性能 耐蚀性 |
| 收稿时间： | 2020-12-28 |
Effect of Annealing Temperature on Microstructure and Properties of Ferrite Stainless Steel Y0Cr17SiS |
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| Yan Daocong,Wang Zhenying,Ma Zhenyu,Zhu Xiaojie,ang Zhen.Effect of Annealing Temperature on Microstructure and Properties of Ferrite Stainless Steel Y0Cr17SiS[J].Special Steel,2021,42(4):78-80. |
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| Authors: | Yan Daocong Wang Zhenying Ma Zhenyu Zhu Xiaojie ang Zhen |
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| Affiliation: | 1. Special Steel Research Institute,Ruipu Technology Group,Lishui 323900；
2. Special Bar Steel Co Ltd,Baoshan Iron and Steel Co Ltd,Shanghai 200940; |
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| Abstract: | The comprehensive properties of ferrite stainless steel Y0Cr17SiS are poor in hot rolling state, which can not meet the requirements of processing and application, so it is needed to annealing treatment. The effects of annealing temperature of 750 ℃ ,800 ℃ ,850 ℃ and 900 ℃ on the microstructure and properties of Oil mm hot-rolled products of steel Y0Cr17SiS are studied. Results show that with 900 °C 2 h,air cooling annealing,the steel Y0Cr17SiS has uniform structure with out precipitates,its tensile strength is 510 MPa,elongation after fracture is 36% ,reduction of area is 65% ,and HBW hardness value is 171. It could maintain no rust for 24 h by salt corrosion fog test with 5% NaCl aqueous solution at 35 °C. |
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