ISO 17637:2016 – Non-destructive testing of welds – Visual testing of fusion-welded joints It specifies visual testing procedures for welds, including equipment, inspection conditions, acceptance levels, and reporting.
provides guidelines for the use of computed radiography (CR) for non-destructive testing. CR is a digital radiography technique that uses a photostimulable phosphor plate to capture and store radiographic images.
Vernier calipers (per ISO 3599), radius gauges, and specialized weld gauges for measuring leg length and throat thickness. iso 17637 pdf
A comprehensive version provided by BSI Group .
Parent material type, welding process, joint configuration, and material thickness. ISO 17637:2016 – Non-destructive testing of welds –
You can purchase the standard from your national standards organization (e.g., BSI Knowledge in the UK, ANSI in the USA).
: Check that all slag and surface residue are stripped away mechanically or manually before a subsequent layer is deposited. Vernier calipers (per ISO 3599), radius gauges, and
Measuring weld geometry parameters such as throat thickness, leg length, and excess weld metal.
A: Yes, EN 970 has been withdrawn and replaced by ISO 17637. However, some legacy contracts still reference EN 970 – but you should harmonize to ISO 17637 for new work.