drill pipe 1. SizeOD: 2 7/8", 3 1/2", 4", 4 1/2", 5"Length: 9500mm/12000mmSteel Grade: E75, X95, G105, S135 2. DescriptionQuality Drill Pipe requires cutting edge equipmentOur Drill Pipe product line is completely automated with equipment from Germany & the U.S., such as the Friction Weld machine, Hardbending Weld machine, IPSEN furnace and Siemans CNC Lathe.The Tool Joints are made of AISI 4137H ...