This document specifies how a preliminary welding procedure specification is qualified by welding procedure tests. This document is part of a series of standards, details of this series are given in EN ISO 15607:2003, Annex A. This document defines the conditions for the execution of welding procedure tests and the range of qualification for welding procedures for all practical welding operations within the range of variables listed in Clause 8. This document applies to the arc welding of wrought and cast aluminium and its alloys.