The ISO 15614 - Welding procedures for metallic materials series applies to the arc and gas welding of steels in all product forms and the arc welding of nickel and nickel alloys in all product forms.
The series covers production welding, repair welding, and build-up welding. It specifies the tests needed to qualify preliminary welding procedures. The series is applicable to roles across the fabrication and manufacturing industries, including structural engineering, oil and gas, energy, nuclear, pressure vessels, and shipbuilding.