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CORSPACE - 6 Pages

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Catalogue excerpts

CORSPACE™ Corrosion Resistance Steel for Repainting Cycle Extension 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 CORSPACE™ A104en_01_201710f © 2017 NIPPON STEEL & SUMITOMO METAL CORPORATION NIPPON STEEL & SUMITOMO METAL

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NIPPON STEEL & SUMITOMO METAL COrrosion Resistance Steel for re    i nting    ycle xtension Necessity and expected effect CORSPACE enables you to extend the coating cycle when compared with conventional steel, thereby reducing the life cycle cost. Repainting coat Reinforcing surface preparation Corrosion resistance steel for repainting cycle extension developed | Effect expected using CORSPACE issues • Corrosion from coating pinhole part and deteriorated part • Corrosion from sharp edge part of element in a severe salt damage environment, the maintenance cost and environmental load can be reduced...

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Corrosion-resistant properties (acceleration test) Corrosion of conventional steel progresses due to anode/cathode reaction. In the coating defect part of thin film under water, chloride ions condense and pH decreases, so the progress of corrosion is accelerated. Meanwhile, with CORSPACE, Sn also liquates out at the same time as the anode reaction of Fe (dissolution reaction), and the eluted Sn ions inhibit the elution of Fe ions, thereby preventing the progress of corrosion. Chloride(Cl–) Chloride(Cl–) Coating defect part Sn pH decreases Sn ion ion Sn ion Corrosion evaluation of coating specifications...

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NIPPON STEEL & SUMITOMO METAL CORSPACE Corrosion-resistant properties (actual environment exposure test) CORSPACE Corrosion-resistant properties (actual environment exposure test) Evaluation after outdoor exposure test (Higashi-Kobe Bridge) Evaluation after outdoor exposure test (Hasaki-city, Ibaraki) (Place)    • Adjacent to the pier of the Higashi-Kobe Bridge of Hanshin Highway Route 5 Bayshore Line (Environment) • Amount of airborne salt: 0.04 to 0.07 mdd {Public Works Research Institute method) (Coating specifications) Coating film peel-off status around scratched part of horizontal exposure...

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NIPPON STEEL & SUMITOMO METAL CORSPACE Recoating time extension effect Weld material (Steel Highway Bridge Anticorrosion Handbook in March 2014) Corrosion generation limit standard diagram toTbecome i 5%el-off area _ For CORSPACE, approximately twice(recoating time judgment @) “ that of conventional steel Examples of applications of CORSPACE We are offering various types of weld material that correspond to the grades of CORSPACE at Nippon Steel & Sumikin Welding Co., Ltd.* Exclusive weld material for CORSPACE Steel type Example of performance of deposit metal of exclusive weld material for CORSPACE...

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NIPPON STEEL & SUMITOMO METAL

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