Development of thick steel plates for shipbuilding having high strength and good weldability

Sang Ho Kim, In Shik Suh, Ki Bong Kang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

Thick steel plates having good combination of strength, toughness and weldability have been required for building large container ships. EH36 steel plates with heavy gauge were developed using newly installed accelerated cooling equipment. In order to develop EH40 grade steel, the hardenability of boron were carefully utilized, along with optimizing TMCP processing variables to obtain good mechanical properties and to lessen inhomogeneity in the thickness direction. These thick steel plates showed high strength and good toughness, even at the mid-thickness region, and excellent properties of welded joints at high heat input.

Original languageEnglish
Title of host publicationProceedings of The Seventeenth 2007 International Offshore and Polar Engineering Conference, ISOPE 2007
Pages3313-3317
Number of pages5
StatePublished - 2007
Externally publishedYes
Event17th 2007 International Offshore and Polar Engineering Conference, ISOPE 2007 - Lisbon, Portugal
Duration: Jul 1 2007Jul 6 2007

Publication series

NameProceedings of the International Offshore and Polar Engineering Conference
ISSN (Print)1098-6189
ISSN (Electronic)1555-1792

Conference

Conference17th 2007 International Offshore and Polar Engineering Conference, ISOPE 2007
Country/TerritoryPortugal
CityLisbon
Period07/1/0707/6/07

Keywords

  • Boron
  • Inhomogeneity
  • Thermomechanical control process
  • Thick steel plate
  • Weldability

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