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Micro-alloyed steel is the abbreviation for micro-alloyed high strength low alloy steel (Yong et al. in Micro-alloyed steel—physical and mechanical metallurgy, Machinery Industry Press, Beijing, 1989; Wang in China Metall 3:22–26, 1993; Wang in Strategic Study of CAE 2:79–84, 2000), which is based on ordinary low carbon steel and ordinary high strength low alloy steel. By adding a small amount of Nb, V, Ti, B, Al, and other micro-alloyed elements, controlled the rolling and cooling, as well as heat treatment to control the precipitation of micro-alloyed elements to greatly improve the toughness, formability, and weldability of the steel.

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  • 章节

  • 发表日期：

    2025年

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  • Zhaozhen Cai,
  • Miaoyong Zhu

摘要

Micro-alloyed steel is the abbreviation for micro-alloyed high strength low alloy steel (Yong et al. in Micro-alloyed steel—physical and mechanical metallurgy, Machinery Industry Press, Beijing, 1989; Wang in China Metall 3:22–26, 1993; Wang in Strategic Study of CAE 2:79–84, 2000), which is based on ordinary low carbon steel and ordinary high strength low alloy steel. By adding a small amount of Nb, V, Ti, B, Al, and other micro-alloyed elements, controlled the rolling and cooling, as well as heat treatment to control the precipitation of micro-alloyed elements to greatly improve the toughness, formability, and weldability of the steel.