This part of ISO 15614 specifies the tests which should be used for qualification of welding procedure specifications. It applies to resistance butt welding and flash welding of metallic materials, e.g. with solid, tubular, flat or circular cross-section. The basic principles of this part of ISO 15614 may be applied to other resistance welding processes when this is specified in the specification.
It defines the conditions for carrying out tests and the limits of validity of an qualified welding procedure for all practical welding operations covered by this part of ISO 15614.