ISO 16827:2025

Non-destructive testing - Ultrasonic testing - Characterization and sizing of discontinuities

This document specifies the general principles and techniques for the characterization and sizing of previously detected discontinuities in order to ensure their evaluation against applicable acceptance criteria.

This document is applicable, in general terms, to discontinuities in those materials and applications covered by ISO 16810.

Phased array techniques can also be applied but additional steps or verifications can be needed.

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