Applies to fusion welds on metallic materials.
You cannot get the full copyrighted standard for free legally. However, for :
For measuring weld reinforcement, throat thickness, and leg length (e.g., Bridge Cam Gauge). Magnifying Glass: Usually a magnification for close inspection. Measuring Tape/Ruler. Flashlight/Light Source. D. Examination Procedure The process involves:
Before searching for or implementing a legacy , engineers must understand its regulatory timeline:
: The surface being inspected must have a minimum illuminance of is recommended for better clarity. Access Distance bs en 970 visual inspectionpdf best
This guide explores the best practices for implementing BS EN 970 and its modern successor, BS EN ISO 17637 , to ensure high-quality welding inspection. Current Status: Formally Withdrawn . Superseded By: BS EN ISO 17637 (latest version: 2016).
Verify that the bevel angle, root face, and root gap match the Welding Procedure Specification (WPS).
The technical requirements for a valid visual inspection remain largely consistent with the old 970 standard but are more strictly defined under the ISO version: Visual testing of fusion-welded joints (ISO 17637:2003)
Disclaimer: This article is for informational purposes. Always consult the latest authorized standard document from the British Standards Institution (BSI) for compliance. Applies to fusion welds on metallic materials
The standard outlines rigorous requirements to ensure the reliability of the inspection. A. Personnel Qualification
A minimum light intensity of 350 lux is required on the surface, though 500 lux is recommended for optimal contrast.
An irregular groove melted into the base metal at the weld toe.
Close examination with 350+ lux light; often confirmed using Dye Penetrant Testing (PT) if suspected. look for weld inspection checklists from:
formally superseded older regional specifications like BS 5289:1976 .
While this article focuses on the legacy and application of BS EN 970, for any new project, procurement, or quality system, you should be working to . This international standard is the evolution of BS EN 970 and is recognised worldwide, simplifying global trade and quality assurance.
If you just want the content of EN 970 in a usable format, look for weld inspection checklists from: