1)API oil drill pipe OD:2 7/8' 2)Grade:E75,X95,G105,S135 3)Upset:IU,EU,IEU 4)Hardbanding:TK34,TK34P 5)Coating:ARNCO100 api 5dp drill pipe,drill collar,welded/integral heavy weight drill pipe and kelly M&B,Hardband&Internal plastic coat DS/HT TJ Our API 5dp drill pipe are of high physical property, for their strictly controlled processing of sulphur and phosphorus.To ensure the materials to meet ...