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Title: Understanding EN ISO 17638:2016: A Technical Standard for Visual Testing of Fusion-Welded Joints
Welding is a vital process in various industries, including manufacturing, construction, and transportation. Ensuring the quality and integrity of welded joints is critical for ensuring the safety, reliability, and efficiency of various systems and structures. The European Committee for Standardization (CEN) and the International Organization for Standardization (ISO) have developed EN ISO 17638:2016, a technical standard that provides guidelines for the requirements and methods of visual testing of fusion-welded joints.
The Purpose of EN ISO 17638:2016:
The purpose of EN ISO 17638:2016 is to establish a comprehensive framework for conducting visual inspections of welded joints. Visual inspection is an essential method for detecting surface imperfections, such as cracks, porosities, and discontinuities that may compromise the strength and functionality of the welds. This standard establishes specific criteria and acceptance levels for assessing these imperfections based on their type, size, and location.
Key Elements of EN ISO 17638:2016:
EN ISO 17638:2016 provides guidelines for the visual testing of welded joints, including the following key elements:
Criteria for: The standard establishes criteria for assessing the surface roughness of welded joints, including the presence of cracks, porosities, and other defects. These criteria are based on the type, size, and location of the imperfections.
Acceptance levels: The standard defines acceptance levels for assessing the visual appearance of welded joints based on the criteria established in section These levels provide a standardized method for evaluating the quality of welded joints.
Test procedures: The standard outlines the procedures for conducting the visual inspection of welded joints, including the testing methods, the equipment used, and the evaluation criteria.
Reporting: The standard specifies the information that should be included in the report of the visual inspection of welded joints, including the criteria used for assessing the surface roughness, the acceptance levels, and any defects found.
Conclusion:
EN ISO 17638:2016 is an essential technical standard for visual testing of fusion-welded joints. It provides a comprehensive framework for assessing the quality and integrity of welded joints, making it easier to detect surface imperfections and ensure the safety and reliability of various systems and structures. By following the guidelines of EN ISO 17638:2016, technical writers can create documentation that is easier to understand, navigate, and implement, reducing the risk of miscommunication and errors in the use of products or systems.
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