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通过对国外烘烤硬化钢(BH钢)发展的回顾,系统地介绍了BH钢的硬化原理,生产和使用情况,结合我国目前的生产设备水平,着重讨论了应用连续退火和罩式退火炉分批退火生产BH钢的技术问题,分别列出了不同生产方法对成分、退火温度和冷却速度等工艺因素的要求。
Based on the review of the development of bake hardened steel (BH steel) in foreign countries, the hardening principle, production and use of BH steel are systematically introduced. Combined with the current production equipment in our country, the application of continuous annealing and bell annealer Batch annealing the production of BH steel technical issues were listed in different production methods on the composition, annealing temperature and cooling rate and other process requirements.