Brand: Longxuan
Packaging: Black painting, bundles, thread protectors on pin and box
Min. Order: 1 Ton
Non dig Friction Welding Drill Pipe Product Features Adopt OCTG, End upsetting according to AP15DP standard, Thickening of heat treament weeken, Grade could achieve G105 or S135, Joint foring production blank,controllied atmosphere heat. With API Spec7-1 standard welding area adopts deformation heat treatment, weld...
