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Armakleen Company, The



The Effect of Surface Preparation Grades of Weld Seam on Coating Performance

From JPCL, July 2018

More items for Surface Preparation

By Sang-Moon Shin, Chung-Seo Park, Seung-Gon Choo, Eun-Ha Song and Han-Jin Bae, Hyundai Heavy Industries

According to the international surface prepa-ration standard for welds, preparation grades before paint application are divided into three levels. These grades are described with rough qualitative representations in-stead of with descriptions of surface treat-ment methods or measurable conditions. In this article, coating thickness and the corro-sion resistance and crack tendency of coated films on welds were evaluated for the grind-ing range in five levels from mild to severe....


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Tagged categories: Air abrasive blast cleaning; Grinders; Hyundai Heavy Industries Co.; Power tool cleaning; Sanding and hand tool cleaning; Welding

Comment from Sasha A. Bacic , (8/7/2018, 2:10 AM)

I'm very, very pleased to learn about efforts in HHI undertaking to increase the anticorrosive protection in general and welds in particular! Since first time in Ulsan shipyard, supervising two double hull VLCC in 1993-95 and an FPSO building in 2003-04, many things has improved: when stripe coating of edges and welds was impossible to obtain in 1993, it was an normal procedure ten years latter. To the merit of HHI to add the mechanical rounding the edges on all plates in critical areas. In 25 years attitudes and practices regarding anticorrosive protection has changed to the best. Felicitation HHI!


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