Youngstown Tube manufactures Schedule 10 galvanized pipe in sizes 1-1/4” thru 6” using only high quality domestic steel. This ensures a uniform superior product for roll grooving, welding or plain end uses. Youngstown Tube’s schedule 10 pipe is produced under ASTM A795 Type E, Grade A, NH standards. Every piece is Eddy-Current tested and conforms to internal SPC testing and recording. Youngstown Tube Schedule 10 galvanized steel sprinkler pipe is hot dip galvanized coated to meet ASTM A-385-98 standards. A highly visible weatherproof sticker is applied to each piece of pipe and stored under roof, ready for immediate shipment.