This comprehensive study delves into the technical specifications and dimensional criteria of niobium-vanadium low-alloy,high-strength hot-rolled section steel used in structural applications.The paper initially outlines the status quo and challenges of steel structure construction in China,underlining the importance and background of the standardization for such advanced steel materials.It meticulously analyzes the chemical composition,mechanical attributes,and dimensional accuracy of the steel,including permissible deviations,and addresses the distinct requirements for different steel grades and quality classifications.The research also underscores the importance of microalloying elements,particularly niobium and vanadium,in boosting the steel's performance and their influence on enhancing the properties of the welding heat-affected zone.
关键词
铌钒低合金/高强度/热轧型钢/标准解析
Key words
niobium-vanadium low-alloy/high-strength steel/hot-rolled sections/technical standard analysis
维普
万方数据