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介绍了攀钢汽车大梁用热轧钢板的开发。采用低C -Mn -V合金化 ,结合攀钢的喂线技术、炉外精炼及轧制工艺 ,生产出P51 0L、P440L、P42 0L和P370L热轧钢板 2万余吨 ,产品已供汽车制造厂使用 ,各项性能指标满足用户使用要求。
This paper introduces the development of hot rolled steel plate for automobile beam in Panzhihua Iron and Steel. Using low C-Mn-V alloying, combined with Panzhihua’s wire feeding technology, furnace refining and rolling process to produce P51 0L, P440L, P42 0L and P370L hot-rolled steel sheet more than 20,000 tons, the product has been made for the automotive Factory use, the performance indicators to meet user requirements.