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21st April 2021

KR launches latest ‘SeaTrust-HullScan’

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Korean Register (KR) has released the latest version of its structural analysis software SeaTrust-HullScan, updated to include the new Common Structural Rules (CSR), making KR the first classification society to do so.

The new CSR are the result of collaboration between many IACS (International Association of Classification Societies) technical experts and have been enforced for bulk carriers of 90m or more and crude oil carriers of 150m or more, built on or after July 1, 2015. IACS recently announced the revision of the CSR reflecting many changes to the previous rules, including to the method of buckling analysis.

Buckling is a phenomenon in which a structure rapidly displaces and collapses against a compressive load (a load pressed from the outside of a structure). Even a compressive load below the yield stress of the structure (maximum stress that can be sustained when the structure is pulled) can cause permanent displacement or damage to the hull structure. As a result, sufficient buckling strength has to be considered during a hull structure’s design stage.

The new IACS CSR include a completely revised method for buckling analysis which will ensure greater accuracy in evaluating buckling strength when it comes into effect on 1 July 2021.

Following the approval of the revised CSR, KR quickly incorporated the new rules into SeaTrust-HullScan ensuring the new recommendations can be easily and effectively applied to the structural analysis of all ship types covered by the CSR, including oil tankers, bulk carriers, container ships, LNG carriers and FPSO. 

Mr. KIM Dae-Heon, Executive Vice President, KR R&D Division says: “KR is the clear industry leader in providing smart and practical IT solutions for its customers.  We are pleased to launch this, the latest version of our widely valued Seatrust-Hullscan software, applying the revised CSR for the convenience of our customers. This is just the latest development in our ongoing commitment to develop tailored technical services that contribute to the improvement of ship design quality and productivity."

KR’s SeaTrust-HullScan offers a smart solution which is already widely used by market leading shipbuilders and research institutes. The software is a comprehensive suite of different programs, providing a range of important functions, including ship structural checks, safety check direct analysis, wave load analysis, shaft alignment analysis, and ship life cycle management.

For more information visit KR website (                    


Korean Register (KR) was established in 1960 with the purpose of promoting safety of life, property and the protection of the marine environment. KR currently classes an international fleet of 3,050 vessels totaling 72 million GT. It is headquartered in Busan, South Korea with a network of 66 offices around the world. KR is authorized to perform statutory and certification services in 81 countries around the world.

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