AWS B2.1.007-90
$129.00
Standard Welding Procedure Specification for Gas Tungsten Arc Welding of Galvanized Steel, 10 through 18 Gauge, in the As-Welded Condition
$129.00
Standard Welding Procedure Specification for Gas Tungsten Arc Welding of Galvanized Steel, 10 through 18 Gauge, in the As-Welded Condition