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Quality Assessment and Process Management of Welded Joints in Metal Construction—a Review

TEMA—Centre of Mechanical Technology and Automation, Department of Mechanical Engineering, University of Aveiro, 3810-193 Aveiro, Portugal
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Metals 2020, 10(1), 115; https://doi.org/10.3390/met10010115
Received: 14 December 2019 / Revised: 23 December 2019 / Accepted: 9 January 2020 / Published: 12 January 2020
This paper aims to express the maturity and dynamism of welding in industry. It follows the direct observation of international construction standards and rules, here described as an introduction to the most relevant themes in the area of welding processes. Quality management in welded construction involves well-regulated procedures which are, however, so vast that they are of great complexity. In fact, there are hundreds of rules to apply to each specific case. This makes it imperative to have a welding coordinator, at least in cases of greater responsibility. In fact, the application of the rules presents yet another difficulty: along with the breadth of the rules, each country may adopt certain special requirements in their own case. Thus, it is essential to know the necessary path for the proper development of responsible work. First, one must know the various welding processes, their advantages and limitations; then one must identify the regulations applicable to the work concerned; and finally, one must know what tests and qualifications are required, including the expected defects and acceptance criteria. One purpose of this work is to show the necessary path for the implementation of a welding quality management system in metal construction, as well as to present the numerous applicable norms, both for the welder and the welding coordinator, but also for the process and the product. This paper also presents an analysis of how to obtain the CE marking (Conformité Européene) for a welded metal construction and which normative ramifications apply.
Keywords: welding; welding quality; welding management; welding standards; CE marking in welded structures welding; welding quality; welding management; welding standards; CE marking in welded structures
MDPI and ACS Style

Pereira, A.B.; de Melo, F.J.M.Q. Quality Assessment and Process Management of Welded Joints in Metal Construction—a Review. Metals 2020, 10, 115.

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