Choi Hyeonsoo 연구교수


About Lab.

  • "Experience of the oxygen bottom-blown converter in POSCO", H.S. Choi, C.S Ha, D.Y. Shin and S.J. Kim: The 54th Annual Conference of Metallurgists (COM 2015) , August 23 to 26, 2015
  • "Cleans Steel Production Technology for Ultra Low Carbon Steel", Choi, Hyeon-Soo; Seo, Sungmo; Choi, Ju Han; Park, Seok-Young; Park, Jung-Hyung; et al. SEAISI Quarterly Vol. 37, Iss. 1, (2008): 52-56
  • "Improvement of the BOF operation using fluxing material containing Fe-oxide and silica", Choi, Hyeon-Soo; Kim, Jeong-Sik, Steelmaking Conference Proceedings, v 85(2002), 573-581
  • "Modification of lance nozzle to increase productivity and BOF lining life at no. 2 steelmaking plant in Pohang works", Choi, Hyeon-Soo ; Ryu, Ju-Yeol; Kim, Man Rae; Lee, Hyung Bok; Kim II, Chin; Chung, Yong Hee, Steelmaking Conference Proceedings, v 77(1994), 93-99,

About Prof.


  • 2017-2020 Head of POSCO Europe Office (Senior Vice President)
  • 2015-2016 Researcher, Steelmaking Research Group, Research Laboratories (Vice President)
  • 2009-2014 Project Leader, PS-BOP Research Project, Research Laboratories, POSCO
  • 1996-2009 Researcher, Steelmaking Research Group, Research Laboratories, POSCO
  • 1991-1996 Professional Manager, Steelmaking Dept. Pohang Works, POSCO


  • 1991 Ph.D., Mining and Materials Engineering, McGill University
  • 1984 M.S., Metallurgical Engineering, Seoul National University
  • 1982 B.S., Metallurgical Engineering, Seoul National University/li>

Major Research Areas

  • Development of PS-BOP(POSCO-Saarstahl Basic Oxygen Process) : Scrap mass melting technology
  • Hot metal pretreatment technology
  • Oxygen top and bottom blown converter technology
  • Secondary refining technology
  • Clean steel technology
  • Expansion of steelmaking byproducts recycling