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"SeahSteel" (hereinafter referred to as the "Company") respects the privacy of its clients and abides by the "Act on Promotion of Information and Communications Network Utilization and Information Protection." The Company notifies the client of the purpose and means for which the personal information provided by the client in accordance with the personal information administration policy is used, as well as the security measures implemented to protect personal information. If the Company modifies its policy on the administration of personal information, it will post notices on its website and/or send out individual notifications. This policy will be implemented as of: February 1st, 2023.

Personal information to be collected: name, e-mail address The purpose of collecting and using personal information: the client’s requests Period of retention and use of personal information: The Company will destroy the personal information of the client without delay when the purpose of its collection and use has been achieved.

Patents and Certifications

We aim to fulfill our social responsibility by building a safe and comfortable workplace by making environment and safety our top management priority and implementing essential tasks to strengthen our competitiveness and execution.

Patent Status

Classification Registration No. Filing Date Name of the Design
In Korea 1005061560000 April 26, 2002 Painted steel plate and its manufacturing method
1004810530000 February 05, 2003 Air blast device to remove debris from inside pipes
1004987660000 February 20, 2003 Alternating temperature color steel plate and its manufacturing method
1005753310000 July 06, 2004 All-in-one induction heat-treating warming and cooling unit for inline heat-treating
1006376000000 January 20, 2005 Method for manufacturing line steel pipe for submerged arc welding with excellent emulsion stress corrosion properties
1012210530000 July 15, 2010 High-frequency electric resistance welding method
1010161720000 November 11, 2010 Method for preparing a composition of ceramic and plastic ceramics used for coating metal and concrete surfaces
1010396020000 December 30, 2010 Automatic spraying apparatus and method for coating metal and concrete surfaces
1010396010000 December 30, 2010 Manual spraying apparatus and methods for coating metal and concrete surfaces
1010396000000 December 30, 2010 High-pressure melt jetting device using macromolecule CPC powder
1013492510000 September 27, 2011 Method for manufacturing a double-pipe
1014588750000 November 06, 2012 Slim floor composite structure by plate-angular pipe prefabricated steel beams
1016586510000 May 06, 2015 Apparatus and method for measuring pipe outside diameter
1017279890000 August 28, 2015 Method for manufacturing high manganese steel pipe
1017219460000 October 18, 2016 Open, nozzle-free cooling chamber in steel pipe
Overseas CN 97 112435.3 April 10, 2002 System and method for automatic heat input control of high-frequency electric resistance welding apparatus

Certification Status

  • Title Attachments Date
  • 선급_DNV 2023.12.19_2026.12.31_군산공장 PDF 2024-06-18
  • 선급_BV_세아제강 군산공장_20270617 PDF 2024-06-18
  • 선급_BV_세아제강 군산공장_20260831 PDF 2024-06-18
  • ClassNK_Cetificate_TA18618E_창원공장 PDF 2023-11-14
  • KS D 3507(배관용 탄소강관) 인증서(2024)_포항공장 PDF 2023-11-13
  • KS D 3517(기계구조용 탄소강관) 인증서(2024)_포항공장 PDF 2023-11-13
  • KS D 3562(압력배관용 탄소강관) 인증서(2024)_포항공장 PDF 2023-11-13
  • KS D 3563(보일러용 탄소강관) 인증서(2024)_포항공장 PDF 2023-11-13
  • KS D 3566(일반구조용 탄소강관) 인증서(2024)_포항공장 PDF 2023-11-13
  • KS D 3568 (일반 구조용 각형강관) 인증서 (2024)_포항공장 PDF 2023-11-13