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ISO 17640:2018
Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and assessmentstandard by International Organization for Standardization, 10/01/2018
ISO 17640:2018 specifies techniques for the manual ultrasonic testing of fusion-welded joints in metallic materials of thickness 8 mm which exhibit low ultrasonic attenuation (especially that due to scatter) at object temperatures from 0 C to 60 C. It is primarily intended for use on full penetration welded joints where both the welded and parent material are ferritic.
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