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首页> 外文期刊>Journal of Materials Engineering and Performance >Process Technology for the Continuous Hot Band Annealing of 17 percent Cr Ferritic Stainless Steel
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Process Technology for the Continuous Hot Band Annealing of 17 percent Cr Ferritic Stainless Steel

机译：17％Cr铁素体不锈钢的连续热轧带退火工艺技术

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摘要

As an alternative to time- and energy-consuming batch annealing, process technology for the continuous hot band annealing of 17 percent Cr ferritic stainless steel has been established. Process parameters (i.e., temperature and time) for the hot band annealing were optimized in the laboratory and, subsequently, plant trials were conducted. The impact toughness value of the annealed hot band was found to be the most crucial parameter to assess the cold rollability in the commercial run. When the hot bands were continuously annealed at 900 deg C, the improved impact toughness values resulted in successful cold rolling to the desired thickness. The impact toughness value and subsequent cold rollability were found to be related to the formation of martensite volume percent. Annealing the hot band in the lower temperature range of the two-phase (alpha + r) region (i.e., 900 deg C) yielded the best result. Improvement in roping index has been reported as a result of the weakening of the texture of the continuous-annealed hot band.
机译：作为耗时且耗能的批量退火的替代方法，已经建立了用于17％Cr铁素体不锈钢的连续热带退火的工艺技术。用于热带退火的工艺参数（即温度和时间）在实验室中进行了优化，随后进行了工厂试验。发现退火热带的冲击韧性值是评估商业运行中冷轧性的最关键参数。当热带在900摄氏度下连续退火时，改进的冲击韧性值可成功地冷轧至所需厚度。发现冲击韧性值和随后的冷轧性与马氏体体积百分数的形成有关。在两相（α+ r）区域的较低温度范围（即900摄氏度）中对热带进行退火可获得最佳结果。据报道，由于连续退火的热轧带的织构变弱，绕线指数得到改善。

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