... API 4. Upset:IU,EU,IEU 5. HB:Arnco100XT,150XT,300XT, Botn1000,3000 Our company's drill pipes are in accordance with API ... 5D, API SPEC 7 Standards. The material of drill pipe body ... are chosen by the 1&3 group of API 5D.(Group 1-Grade E75; Group 3-Grade X95, ... requirements, and the tool joints are up to API SPEC7 Standards. drill pipe