AIA NAS981

The welding system described by this specification is intended for use primarily in the aerospace manufacturing industry. It provides performance criteria for inert-gas tungsten arc spot welding of materials including, but not limited to, titanium and titanium alloys, nickel and cobalt alloys, and ferrous alloys.

Purpose

This specification provides a standard for the manufacture, performance, inspection, reliability, and procurement of an inert gas tungsten arc spot welding system. This standard lists minimum requirements and is not limited to design advances.