Carbon Steel Drill Pipe 1.OD: 10.3-1219.2mm 2.WT: 1.24- ... ,X52,X56,X60,X65,X70,X Carbon Steel Drill Pipe We can produced drilling pipe(API5D,APISEPC7,API5CT) of 2-3/8",2 ... producing various oil drilling tools including Drill Pipe, Drill Collar, Heavy Weight Drill Pipe, Kelly,Pup Joint and so on. Our API drill pipes are of high physical ...