Author(s)

Ruixiang Han¹, Menghui Hu¹, Qian Pei¹, Dianxuan Gong¹, Yunxia Song²

¹Mathematical Modeling Association, North China University of Science and Technology, Tangshan, China.
²Tangshan College, Tangshan, China.

In this paper, the relationship between steel and chemical elements is explored. A production record of a steel mill is adopted for two years, which is used as the basic data to standardize the data. Then, according to the correlation coefficient method between the hot-rolled ribs No. 1 and No. 2 hot-rolled ribs, the correlation between the two sets of data is analyzed. The main influencing factors of the hot-rolled ribs properties are obtained qualitatively. Then, the logistic regression method is used. Finally, according to the national standard of Chinese steel, the linear optimization model of Cr and Mn and V elements was established, and the change range of Cr was obtained without affecting the performance of hot rolled ribs.

Correlation Analysis, Logistic Regression, Linear Optimization Model, Hot-Rolled Ribbed Bar

Han, R. , Hu, M. , Pei, Q. , Gong, D. and Song, Y. (2016) The Influence of Chemical Element on Properties of Deformed Steel Bar. Open Journal of Statistics, 6, 1174-1180. doi: 10.4236/ojs.2016.66095.