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NSGP - 4 Pages

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Catalogue excerpts

Catalog of NSSMC's steel products for shipbuilding NSGP-1&2 Highly Corrosion-resistant Steel Plates for Crude Oil Tankers Steel for Protecting Crude Oil Tankers from Corrosion NIPPON STEEL & SUMITOMO METALhttp://www.nssmc.com/ Notice: While every effort has been made to ensure the accuracy of the information contained within this publication, the use of the information is at the reader's risk and no warranty is implied or expressed by Nippon Steel & Sumitomo Metal Corporation with respect to the use of the information contained herein. The information in this publication is subject to change or modification without notice. Please contact the Nippon Steel & Sumitomo Metal Corporation office for the latest information. Please refrain from unauthorized reproduction or copying of the contents of this publication. The names of our products and services shown in this publication are trademarks or registered trademarks of Nippon Steel & Sumitomo Metal Corporation, affiliated companies, or third parties granting rights to Nippon Steel & Sumitomo Metal Corporation or affiliated companies. Other product or service names shown may be trademarks or registered trademarks of their respective owners. Nippon Steel & Sumitomo Metal Corporation 2-6-1 Marunouchi, Chiyoda-ku/Tokyo 100-8071, Japan Tel: +81-3-6867-4111 NIPPON STEEL & SUMITOMO METAL NSGP™-1&2 A102en_01_201505f © 2015 NIPPON STEEL & SUMITOMO METAL CORPORATION NIPPON STEEL & SUMITOMO METAL CORPORATION

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Towards the Highest Level of Safety and Corrosion Resistance for Crude Oil tankers NSGP-1&2 Debut as the World’s First Paint-free Highly Corrosion-resistant Steel Plates Currently, worldwide energy demand is increasing. The role of crude oil tankers as a means of maritime crude oil transport to every corner of the world is also becoming more important.  It cannot be overstated that a key factor in the evolution of tankers over the past century has been the pursuit of two compatible performances: improved safety and higher durability. One approach in this effort is to impart corrosion protection,...

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Cost-cutting yet High-performance Tank Construction Enhancing Application Effectiveness by the Combined Use of NSGP-1 and NSGP-2 Tank durability can be improved only by the adoption of new types of steel plates in crude oil tank construction.  NSGP-1&2 highly corrosion-resistant steel plates for crude oil tankers have been developed precisely pursuing that purpose.  Application effectiveness is further enhanced by combining the use of NSGP-1, which has a well proven application record, the newly-developed NSGP-2 and welding materials designed exclusively for use with these two steel plates. Further,...

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Corrosion Mechanisms Are Different in the Bottom Plate Sections and Rear Sections of Tanks Why are two types of NSGP necessary even in oil tanks with a seemingly identical application? The reason is that the corrosion mechanism that occurs in the bottom plate section of a tank is different from that of the rear section. The concentration of salt in the water that accumulates in the bottom plate section of a tank is higher than that of the seawater contained in crude oil, thereby causing localized pitting (pitting corrosion). Conversely, in the rear section of a tank, corrosion develops nearly...

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