We selecte specially engineered metallurgy for its tool joints and tubes. Tool Joints are manufactured from AISI 4137H steel with increased hardenability giving a very uniform microstructure and excellent mechanical properties through the cross section of the tool joint.
All Tubes are supplied by Tianjin Pipe Corporation (TPCO) which is a leading global producer of seamless tubes with modern state-of-the-art facilities. TPCO produces the Green Tubes according to our chemistry and the tubes are then Austenitized, Quenched and Tempered in our own Heat Treatment plant. All mechanical testing is carried out in our own laboratory on site.
Drill Pipe Grades Table: