MIL-A-18455C, MILITARY SPECIFICATION: ARGON, TECHNICAL (23-DEC-1986)

MIL-A-18455C, MILITARY SPECIFICATION: ARGON, TECHNICAL (23-DEC-1986)., This specification covers two types of argon gas for use in inert gas shielded electric arc welding of aluminum, magnesium, corrosion-resisting steel and other alloys.