
History
Taking a new leap forward
1996 - NOW




- 2023
- 12 Valve Plus Chemical Safety Campaign Environment Minister's Award
- 12 Changwon Plant PSM 'S Grade' Acquisition
- 12 Received the award of the export tower of $0.7 billion
- 2022
- 11 Selected for the presidential award for labor-management culture
- 2020
- 10 The 60th anniversary of 4D Steel
- 08 Acquisition of SINTEC's Gwangyang plant by 4D Steel
- 07 Completion of the 4D Steel R&D Center
- 2018
- 09 Corporate Spin-off (4D Steel Holdings, 4D Steel)
- 08 Acquisition of Dong A Steel Company Inc.
- 2017
- 07 Established SeAHCM Inc. as a spin-off of the plate business headquarters
- 2016
- 12 OMK Tube, Inc Houston plant
- 12 Acquisition of Laguna Tubular Products Corporation's Houston Plant
- 10 Establishment of 4D Steel USA, a steel pipe plant in the United States
- 2014
- 12 Received the award of the export tower of $0.6 billion
- 02 Acquisition of Inox Tech S.p.A. Acquisition of 4D Steel Indonesia
- 2013
- 09 Completed construction of 4D Steel's Pohang JCOE plant (Thickened steel pipe)
- 01 Merger with 4D Steel Pipe (4D Steel Suncheon Plant)
- 2012
- 12 Received the award of the export tower of $0.5 billion
- 12 Headquarters relocation ( Namdaemun → Hapjeong )
- 09 Acquired Dongkuk R&S Pohang plant (4D Steel Munduk plant)
- 03 Acquired SPP Steel Pipe (renamed 4D Steel Pipe)
- 2011
- 04 SeSeAH Steel UAE steel pipe plant completed
- 01 Plate mill No.2CCL operated
- 2010
- 10 The 50th anniversary of 4D Steel
- 05 Cumulative steel pipe production reached 20 million tons
- 2009
- 11 Received the award of the export tower of $0.4 billion and silver tower in Order of Industrial Service Merit
- 07 Selected as a company with an excellent labor-management culture
- 02 Completion of Gunsan plant
- 2008
- 11 Winner of 300 million dollars in exports
- 02 Opening of Daegu branch office
- 2007
- 06 Received the silver tower in Order of Industrial Service Merit
- 02 Development of SeAH80 wellhead steel pipe
- 2006
- 04 PINSI Project 'SeROMI' system opened
- 2005
- 11 Received the award of the export tower of $0.2 billion and bronze tower in Order of Industrial Service Merit
- 09 Completed CGL facility at Gunsan plate factory
- 2003
- 01Opened Gwangju business office
- 2002
- 11 Selected as an excellent company for a new labor-management culture
- 2001
- 07 Corporate Spin-off (4D Steel, SeAH Holdings)
- 2000
- 10 Moved headquarters to Namdaemun (Bongrae-dong 1-ga)
- 1998
- 05 Completed Gunsan plate factory (Pre-coated metal)
- 1997
- 11 Completed Pohang plant 7 (24"MILL)
- 08 Acquisition of 08ISO 14001 Environmental Management System Certification
- 1996
- 05 Relocated Seoul stainless steel pipe factory to Changwon
- 01 Change of name to 4D Steel Co.