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高性能Q460耐火耐候结构用钢的研发

China Metallurgy(2018)

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Abstract
以低C-Mn为基体,辅以钼、铜、铬、镍等元素合金化,采用实验室冶炼及轧制,配合合理的控轧控冷工艺,研发了Q460级别耐火耐候抗震结构用钢.对试制的钢板进行了力学性能、高温耐火性能及耐大气腐蚀性能检验,并进行分析.结果表明,Q460钢韧性和塑性优异,屈强比低,具有较好的抗震性,600℃保温3h耐火及耐大气腐蚀性能良好,完全满足高性能建筑结构钢的要求.
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