Youngstown Tube manufactures Schedule 10 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 steel sprinkler pipe is coated with a black enamel coating, continuous color coded white stencil, and stored indoors ready for immediate shipment.