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(Total 12 Products for Phosphating Drill Pipe)
Square Drilling Kelly for Drill String
Square Drilling Kelly Product Features Square Kelly, as the driven part of drill string, locates in the top of it to transmit torque and bear the suspended weight. According to API Spec7-1 Specification, the material quality is 4145H that`s after heat treament, thread hardening treatment and phosphating to better...
Friction welding drill pipe Product Description Friction welding drill pipe is in accordance with API SPEC 5DP and SY/T5561-2008 Specifications. The steel grade are DZ250,R780,G105,S135 that are after partly or overall heat treatment. The adapter part adopts thermal refining to superior alloy steel 35CrMo or 4137H...
Hexagonal Drilling Kelly for Drill String
Square Drilling Kelly Product Features Square Kelly, as the driven part of drill string, locates in the top of it to transmit torque and bear the suspended weight. According to API Spec7-1 Specification, the material quality is 4145H that`s after heat treament, thread hardening treatment and phosphating to better...
Center Through Cable Drilling Pipe
Center Through Cable Drilling Pipes - Φ73×7 Product Features Center through cable drilling pipes is mainly used in underground tunnel directional drilling and geological controlled directional drilling. It plays important role in underground coal seam measurement and mine gas extraction. Center through cable drilling...
Welding Drill Friction Adapter
Friction welding drill adapter NC26 Product Description Friction welding drill pipe adopts thermal refining to superior alloy steel 35CrMo or 4137H that`s after thread hardening treatment and phosphating to better anti
Center Through Cable Drilling Pipes
Center Through Cable Drilling Pipes - Φ73×7 Product Features Center through cable drilling pipes is mainly used in underground tunnel directional drilling and geological controlled directional drilling. It plays important role in underground coal seam measurement and mine gas extraction. Center through cable drilling...
Non dig Friction Welding Drill Pipe
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...
Non dig One-piece Drill Pipe Material selection – with API standard oil pipes, dependable performance.
Thin Button Drill Pipe-42 Product Features The thin button drill pipe is made of high-quality seamless steel tube. The end part adopts hydraulic thickening, intermediate frequency heat treatment and threads adopt numerically controlled lathe. The lock joints are processed through special crafts, has excellent...
Drilling Pipes of Center Through Cable
Center Through Cable Drilling Pipes - Φ71×5.5 Product Features Center through cable
Drill Pipe For Drilling Machinery
Non dig One-piece Drill Pipe Product Features 1. Drill pipe with the unique two thick molding technology of pipe joints transition zone steady and smooth, reduce mud through resistance. 2. Domestic initiation one-piece drill pipe for drilling machinery, If heat treatment technology, mechanical properties higher than...
Double Shoulder Drill Pipe Joint
Double Shoulder Drill Pipe Joint Product Features Double shoulder desig
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