Nb-Ti微合金化汽车用钢QStE340～46T0M的开发研究  

Development of Nb-Ti Micro-Alloying Automobile Plate QStE340～460TM

作　　者：毛新平[1] 高吉祥 庄汉洲 沈训良[1] 谢利群 陈麒琳 

机构地区：[1]广州珠江钢铁有限责任公司,广东广州510730 [2]广钢集团技术中心CSP应用技术研究所,广东广州510730

出　　处：《汽车工艺与材料》2006年第5期12-15,共4页Automobile Technology & Material

摘　　要：基于对珠钢EAF-CSP流程Nb微合金化技术的系统研究,有效地解决了混晶问题,并利用Nb-Ti复合微合金化技术成功地开发了汽车用钢QStE340～460TM。分析结果表明,开发的含Nb-Ti钢带具有优异的韧性、冷成形性能和良好的焊接性能,完全满足汽车、半挂车用钢的要求。Based on the systematical research for the Nb micro-alloying technology in EAF-CSP process,the effective measures against mixed grains were proposed,and the automobile plate QStE340～460TM was successfully developed by the Nb-Ti micro-alloying technology.The analysis indicated that the developed Nb-Ti micro-alloying plate has the outstanding toughness,cold forming performance and good welding performance,which completely satisfied the requests of automotive vehicles and semi-trailers.

关 键 词：薄板坯连铸连轧 Nb-Ti微合金化 汽车用钢 

分 类 号：TF125.242[冶金工程—粉末冶金]