Development of 340MPa Grade Galvanized Automotive HSLA Sheet of Shougang  

作　　者：QI Chun-yu 1,LIN Li-bin 2,ZHOU Jian 2,LIU Guang-ming 2,YIN Xian-dong 1 (1.Beijing Shougang Cold Rolling Company,Ltd.,Beijing 101304,China 2.Shougang Research Institute of Technology,Beijing 100041,China) 

出　　处：《Journal of Iron and Steel Research International》2011年第S1期990-993,共4页

摘　　要：In the paper,development of 340MPa galvanized grade HSLA sheet of Shougang is introduced.The effects of annealing parameters on the precipitates,microstructures and mechanical properties were investigated.According to the experiment,it was indicated that the fine microstructures and disperse carbide of Nb caused high strength of the steel.And now,the product has been used to the reinforced inner panel.In the paper,development of 340MPa galvanized grade HSLA sheet of Shougang is introduced.The effects of annealing parameters on the precipitates,microstructures and mechanical properties were investigated.According to the experiment,it was indicated that the fine microstructures and disperse carbide of Nb caused high strength of the steel.And now,the product has been used to the reinforced inner panel.

关 键 词：HSLA microstructure PROPERTY PRECIPITATION GALVANIZING 

分 类 号：U465.1[一般工业技术—材料科学与工程]