En Iso 15614-7 Pdf · Official

The standard limits qualification to a specific base metal thickness (e.g., a test on 20mm plate qualifies you for 15mm to 40mm, not unlimited).

This part of the 15614 series specifically covers overlay welding on metallic materials. It does not cover "building up" or "repair welding," which are typically handled by ISO 15614-1 or ISO 15613. en iso 15614-7 pdf

The overlay process is commonly used in high-stakes industries. The standard limits qualification to a specific base

Requires a combination of non-destructive testing (NDT), such as penetrant inspection, and destructive testing to verify the integrity of the overlay. such as penetrant inspection