gas-metal arc welding

gas-metal arc welding

[′gas ′med·əl ′ärk ‚weld·iŋ]
(metallurgy)
A welding procedure that employs an electric arc to heat the joint to fusion, and an inert gas to prevent oxidation of the weld.
References in periodicals archive ?
These two DC 1000s create a continuous seam tack using an open arc gas-metal arc welding (GMAW) process at high speeds of 260 inches per minute.