... ,X52,X56,X60,X65,X70,X Carbon Steel Drill Pipe We can produced drilling pipe(API5D,APISEPC7,API5CT) of 2-3/8",2 ... ",5",5-1/2",Steel Grade:E75, X95, G105, S135 Type of end finish:EU,IU, IEU All drill pipes are made according ... and developing upon producing various oil drilling tools including Drill Pipe, Drill Collar, Heavy Weight Drill Pipe, Kelly,Pup Joint and so on. Our API ...