SS-EN ISO 11666:2018
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Non-destructive testing of welds - Ultrasonic testing - Acceptance levels (ISO 11666:2018
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English
03-12-2019
ISO 11666:2018 specifies two ultrasonic acceptance levels known as acceptance level 2 (AL 2) and acceptance level 3 (AL 3) for full penetration welded joints in ferritic steels, which correspond to ISO 5817:2014, quality levels B and C. An acceptance level corresponding to ISO 5817:2014, quality level D is not included in this document, as ultrasonic testing is generally not requested for this weld quality.
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