ANSI-AWSD9.1-90MigWelded(GMAW)

Specification - 18 Ga Welded Galvanized Ductwork - Vanstone Flanges

Specification - 16 Ga Welded Galvanized Ductwork - Vanstone Flanges

Specification - 14 Ga Welded Galvanized Ductwork - Vanstone Flanges

Specification - 12 Ga Welded Galvanized Ductwork - Vanstone Flanges

Specification - 10 Ga Welded Galvanized Ductwork - Matched Angle Flanges