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Microstructural and mechanical characterization of dissimilar weldedjoint between 2205 duplex stainless steel and API X52 HSLA steel

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Academic year: 2021

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10th International Conference on Diffusion in Solids and Liquids 2014

Microstructural and mechanical characterization of dissimilar weldedjoint between 2205 duplex

stainless steel and API X52 HSLA steel

B. BELKESSA, D. Miroud, N. OUALI, Y. YAHMI

Abstract : In this work we study the evolution of the microstructure and phase transformations along the welded joint and the mechanical properties of dissimilar metals weld between duplex stainless steel and HSLA steel. Welds are produced by shielded metal arc welding (SMAW) using a duplex grade filler metal (E2209). The welds obtained in this study, have good mechanical properties, despite the appearance of a hard zone at the interface between the weld metal and the heat affected zone of the HSLA steel

Keywords : duplex stainless steel, API 5L X52, Dissimilar welding, Heat affected zone

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