
History
2004 - 2022


- 2024
- 06Signed MOU with Korea Institute of Materials Science for the development of high-performance permanent magnet materials technology
- 05Joint investment for entry into the U.S. special alloy market
- 2023
- 06Investment in SeAH ESG New Technology Business Investment Consortium
- 2022
- 07Established joint venture (SeAH Gulf Special Steel Industries) with DUSSUR (subsidiary of ARAMCO) in Saudi Arabia
- 06Signed MOU with KAI-SeAH CSS for 'With Korea Team’ Consortium
- 2021
- 11Joined the Korea H2 Business Summit (Hydrogen Business Alliance)
- 09Signed agreement for joint venture establishment with DUSSUR (subsidiary of ARAMCO) in Saudi Arabia
- 2020
- 09Established SeAH CTC CO., Ltd. as an overseas (China) subsidiary
- 2019
- 08Established CTC Co., Ltd.
- 06Approved as a vendor for Aramco for large-diameter pipes
- 03Established new small rolling LPG tank facility
- 2017
- 03Completed large-diameter steel pipe and special steel plant
- 2015
- 05Signed an investment agreement of 100 billion KRW with the City of Changwon
- 03Renamed as SeAH CSS Corporation
- 03Incorporated into SeAH Group
- 2014
- 07Selected as an excellent company in labor-management culture by the Ministry of Employment and Labor
- 01Acquired the highest grade (AA) in fair trade compliance
- 2012
- 04Installed 60-ton electric arc furnace / SBM large rolling mill
- 04Awarded minister citation as an excellent company in the field of proactive employment improvement for gender equality
- 2011
- 02Successfully commercialized production of 5.0Φ wire rod for the first time in Korea
- 2010
- 04Achieved accumulated steel production of 15 million tons
- 06Opened Japan office
- 2008
- 10Opened Thailand office
- 07Opened China office
- 2007
- 12Volunteered at the Taean oil spill site
- 11Completed large forging plant (9,000 tons Press)
- 11Awarded the 700 million dollar Export Tower Award
- 02Renamed as POSCO Specialty Steel Co., Ltd. (CI change)
- 2006
- 10Completed the first phase of the facility rationalization project (AOD/HV-MILL/#2 Pickling, etc.)
- 2004
- 08Launched the volunteer group
1982 - 2000


- 2000
- 12 Acquired ISO 14001 certification
- 09 Acquired KOSHA 18001 certification
- 1997
- 12 Acquired ISO 9002 certification
- 02 Registered the establishment of Changwon Specialty Steel Co., Ltd.
- 02 POSCO acquired the bar steel and pipe steel division of SAMMI Specialty Steel
- 1991
- 04 Completed integrated special steel bar plant No. 2 (Steelmaking, Rolling, Processing)
- 1989
- 05 Acquired Atlas Specialty Steel in Canada and AlTech Specialty Steel in the U.S.
- 1988
- 06 Established local subsidiaries in Canada and the U.S.
- 1986
- 08 Established a local subsidiary in West Germany
- 1982
- 06 Changed the company name to SAMMI Specialty Steel Co., Ltd.