Multi-part Document
BS 4872 - Specification for approval testing of welders when welding procedure approval is not required

https://doi.org/10.3403/BS4872

This is a multi-part document divided into the following parts:

Part 1 Specification for approval testing of welders when welding procedure approval is not required Fusion welding of steel
Part 2 Specification for approval testing of welders when welding procedure approval is not required. TIG or MIG welding of aluminium and its alloys