Iso 17637 Pdf -

The version referenced above is the second edition, ISO 17637:2016, published in December 2016. It supersedes the first edition, ISO 17637:2003. Several key revisions were introduced in the 2016 update:

Many users only look at the "final weld" section. This is a major non-conformity. ISO 17637 explicitly requires visual checks during fit-up and between passes.

Searching for is the first step. The second step is ensuring you obtain the legitimate, current version from an accredited standards provider. The third and most important step is implementing the standard correctly – training your staff, calibrating equipment, and producing compliant reports. iso 17637 pdf

Verify joint preparation dimensions, cleanliness, and correct assembly (fit-up) per the Welding Procedure Specification (WPS).

An inspection is not legally or technically complete until it is officially documented. ISO 17637 sets clear expectations for what must be recorded in an NDT visual inspection report. A compliant report must feature: The version referenced above is the second edition,

The inspector must have adequate illumination to see the weld clearly.

Currently, as of the latest ISO work programs, remains the authoritative version. While other welding standards (such as ISO 17635) have seen 2025 updates, ISO 17637 continues in its 2016 edition. Quality managers should periodically check the ISO catalog to see if a revision is under review, but for now, the 2016 PDF is the reference document required for compliance. This is a major non-conformity

Conclusive statement marking the weld as Acceptable or Rejected based on the referenced quality standard.

Used for indirect visual inspection. These remote visual tools are mandatory when inspecting the internal root passes of narrow pipes, pressure vessels, or complex manifolds where direct line-of-sight is impossible.

For manual inspection, the eye must be within 600 mm (approx. 24 inches) of the surface.