ISO 9934-1:2016

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ISO 9934-1:2016 is an International Standard that defines the general principles for magnetic particle testing (MPT) of ferromagnetic materials. It outlines the procedures for detecting surface-breaking discontinuities, primarily cracks, but also some discontinuities just below the surface. The standard covers surface preparation, magnetization techniques, use of detection media, and recording/interpretation of results. It does not specify acceptance criteria.