355 MPa级易焊接耐大气腐蚀用钢的开发
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摘要
采取微合金化和控轧控冷相结合工艺,开发出355 MPa级易焊接耐大气腐蚀用钢。光学显微镜、扫描电镜及力学性能分析结果表明,该钢种的各项力学性能符合标准要求,尤其是耐腐蚀指数满足欧洲标准要求,同时具有良好的焊接性。
355 MPa grade weldable atmospheric corrosion resistant steel is developed by means of microalloying,controlled rolling and controlled cooling process. The analysis results of optical microscope,scanning electron microscope and mechanical properties show that all the mechanical properties indicators of the steel grade are in conformity with standard requirements,esp. the corrosion resistance index satisfies the requirements of European standards,which possesses good weldability as well.
355 MPa grade weldable atmospheric corrosion resistant steel is developed by means of microalloying,controlled rolling and controlled cooling process. The analysis results of optical microscope,scanning electron microscope and mechanical properties show that all the mechanical properties indicators of the steel grade are in conformity with standard requirements,esp. the corrosion resistance index satisfies the requirements of European standards,which possesses good weldability as well.
引文
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2 李自刚,温东辉,屈朝霞,等.宝钢耐候钢研制回顾与展望[J].会议论文,2014.
3 韩孝永.铌、钒、钛在微合金钢中的作用[J].宽厚板,2006(1):39-41.
4 钟远标,何小芳,孛金象. Cu、Ni对钢水质量和钢材性能的影响[J].冶金丛刊,1999(4):40-42.
5 陈学文,毛新平,李烈军. Ti微合金化高强耐候钢的成分设计研究[J].冶金丛刊,2007(5):11-12.
6 张全成,吴建生,郑文龙,等.锈层离子选择性对耐候钢抗海洋性大气腐蚀性能的影响[J].金属学报,2001(37):193-196.
7 小指军夫,李伏桃,陈岿译.控制轧制控制冷却-改善钢材材质的轧制技术发展[M].北京:冶金工业出版社,2002.
8 罗君高. TMCP技术在Q460D钢板生产中的应用[J].宽厚板,2010(6):11-13.