Experimental Study of Ferrite Rolling of a Low Carbon Steel
CAI Dayong1,2,DONG Haifeng1,LIAO Bo1,CHEN Libin2,SHI Dongri2
1. State Key Laboratory of Metastable Materials Science & Technology, Yanshan University, Qinhuangdao 066004, Hebei, China；2. Tangshan Iron and Steel Group Co., Ltd., Tangshan 063016, Hebei, China
Abstract：Low carbon steel strip is produced by ferrite rolling on Flexible Thin Slab Rolling Production Line (FTSR) at Tangshan Iron & Steel Group Co., Ltd. The mechanical properties, microstructure and texture of the strip were studied. The results showed that the microstructure of the strip is characterized by full recrystallized ferrite, of about 30 μm in grain size, and small amount of pearlite. Compared with the strip produced by conventional austenite rolling, the yield strength of the ferrite rolled strip was lower by about 20%,with same elongation and strain hardening exponent. The plastic strain ratios were 0.76,0.35 and 0.70 in transverse direction, longitudinal direction, and 45° direction respectively.The dynamic strain aging of low carbon steel is the main reason of low plastic strain ratios value of the ferrite rolled strip.
蔡大勇;董海锋;廖波;陈礼斌;史东日. 低碳钢铁素体轧制技术试验研究[J]. 钢铁, 2008, 43(5): 71-0.
CAI Dayong;DONG Haifeng;LIAO Bo;CHEN Libin;SHI Dongri. Experimental Study of Ferrite Rolling of a Low Carbon Steel. Iron and Steel, 2008, 43(5): 71-0.
2008, Vol. 43 
