Smooth two-piece elbows available in either Long or Short Radius, and completely stitch-welded from end to end. Flanged two-piece elbows available only in Long Radius with a flange around the throat and heel of each half. Exceeds SMACNA’s high velocity, medium pressure requirements (-2” WG to +10” WG). Conform to ASTM A653/A924 standards. Stock elbows are made from G60 (or higher Zinc content) galvanized steel sheets. Stainless steel available upon request in select sizes.