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See Chinese contents: GB/T 41120-2021 GB/T 41120-2021: Non-destructive testing -- Test method for non-ferromagnetic metallic component pulsed eddy current testing
This document specifies the method that uses pulse eddy current technology to test corrosion and cracks in non-ferromagnetic metal materials. This document is applicable to the testing of non-ferromagnetic metal components such as austenitic stainless steel, aluminum and aluminum alloys with a thickness of not more than 200mm, a thickness of 1 mm to 50mm, and a radius of curvature of not less than 25mm. Other non-ferromagnetic metal materials are verified and implemented by using this document as reference.
