This standard is part of a series of standards. Annex A gives details of this series of standards, Annex B gives a flowchart for the use of these standards and Annex C gives a flow diagram for the development and qualification of a WPS. This standard defines general rules for the specification and qualification of welding procedures for metallic materials. This standard also refers to several other standards as regards detailed rules for specific applications. This standard is applicable to manual, mechanized and automatic welding.