Quick Details ● Place of Origin: Shandong,Website:http://www.yikuangdrilling.com, China (Mainland) ● Brand Name: Ruilong ● Model Number: Ø34,Ø42,Ø50,Ø63.5,Ø73,Ø89 ● Type: Drill Pipe ● Machine Type: Drilling Equipment ● Certification: ISO9001 ● Material: DZ50,R780 ● Processing Type: Forging ● Use: Coal Mining,ore mining ● Product name: Geological drill pipe ● Diameter: 34mm,42mm,50mm,63.5mm,73mm,89mm ● Black Color ● Usage: Coal mining ● Standard: ISO ● Market: Asia ● Steel Grade: DZ50,R780 ● Length: 500-3000m ● Craft: Friction welding Note: We also can produce and design as per clients’ drawings/samples/requirements. NO Specification(mm) Craft Connection type Dia(mm) Length(mm) Thread type 1 Ø34 500-3000 Tapered thread Friction welding Box/pin 2 Ø42 500-3000 Tapered thread Friction welding Box/pin 3 Ø50 500-3000 Tapered thread Friction welding Box/pin 4 Ø63.5 500-3000 Tapered thread Friction welding Box/pin 5 Ø73 500-3000 Tapered thread Friction welding Box/pin 6 Ø89 500-3000 Tapered thread Friction welding Box/pin Geological exploration and drill pipe is used in coal mine ground water,gas and geological exploration drilling construction tools.Geological exploration drill pipe made in our company, also called imitation of the drill pipe outside flat, round drill pipe,drill pipe,geological alloy pipe and coal tunnel conventional drill pipe,contains oil drilling drill pipe with a diameter of 89 mm below the exploration and mining drilling with DTH drill pipe.Special geological drill rod body selection of quality alloy steel,alloy structural steel,tool joint selection of quality by true air conditioning process,greatly improving the fatigue strength and the shear strength.Advanced friction welding welding technology production and processing, drill pipe has high bending strength.welding firm,etc.Production equipment complete advanced CNC processing equipment, has the characteristics of high efficiency stable quality.To meet the requirements of deep hole drilling on straightness.the product has high fatigue strength and longer service life.
