Oil Drill Pipe in active demand 1.OD: 10.3-1219.2mm ... ,X60,X65,X70,X Oil Drill Pipe in active demand We can produced drilling pipe(API5D,APISEPC7, ... of ultrasonic inspection and magnetic particle inspection. The whole process includes hot upset forging, heat treatment, hot straightening, ... standard. We have a complete set of inspection process, inspection for raw material, magnetic particle inspection to ...