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首页> 外文会议>International Conference on Microalloying for New Steel Processes and Applications; 20050907-09; Basque Country(ES) >Development of NbTiB Microalloyed HSLA Steels for High-Strength Heavy Plate
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Development of NbTiB Microalloyed HSLA Steels for High-Strength Heavy Plate

机译：用于高强度厚板的NbTiB微合金HSLA钢的开发

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摘要

This paper deals with the development of low carbon NbTiB micro-alloyed high strength low alloy steel for heavy plates with high wall thickness, In the production, of heavy plate it is remarkably difficult to achieve a combination of high strength and good low-temperature toughness. Bainitic microstructures have shown the capability to attain such requirements. To achieve a bainitic microstructure even for heavy wall products the formation of bainite can be promoted and supported by the use of small amounts of boron as a micro-alloying element. This industrial research project is based on the addition of small amounts of boron to promote the desired bainitic structure. Mill rolling trials were carried out to determine the optimum process parameters. The results of experimental mill rolling trials on 35 mm plates will be presented in this paper.
机译：本文针对低壁厚厚板用低碳NbTiB微合金高强度低合金钢的发展，在生产中，厚板很难兼具高强度和良好的低温韧性。 。贝氏体的微结构已经显示出达到这种要求的能力。为了即使对于厚壁产品也能实现贝氏体的微观结构，可以通过使用少量的硼作为微合金元素来促进和支持贝氏体的形成。该工业研究项目基于添加少量硼以促进所需的贝氏体结构。进行轧机试验以确定最佳工艺参数。本文将介绍在35 mm钢板上进行轧机试验的实验结果。

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