Drill pipe production specifications: 2-3/8, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6-5/8".Steel grade: E75, X95, G105, S135.1, performance and advantages: the tube end of the rod is used inside and outside the thickening type, the maximum can drill 4500 meters deep, joint thread using phosphating or plating steel processing;Product use: 2, downhole drilling operations, extended footage;3, after sale service: can be delivered to the door, tracking service;4, packing: steel strapping, plate pressing;5, annual supply: 200 thousand tons.The main production equipment including: with the international advanced level of Hydraulic Upsetting Machine, heat treatment equipment, cold straightening equipment, friction welding, weld intermediate frequency heat treatment equipment, CNC lathe, and improve the ultrasonic and magnetic particle inspection equipment. The production process includes: the thick pier, heat treatment, hot straightening, cold straightening, pipe end of ultrasonic testing and magnetic particle testing, friction welding, welding and heat treatment, welding seam detection. Using high quality seamless steel pipe seamless Tianjin as raw materials and strict quality inspection, ensure the quality of products from the source.
Tianjin city dalip Oil Pipe Co. sales company specializing in the production of tubing collar, sleeve coupling, pipe coupling, buckle collar, with special buckle buckle connecting hoop, all kinds of f
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