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Coal Mining 6m 159mm Stainless Steel Drill Rod

    Buy cheap Coal Mining 6m 159mm Stainless Steel Drill Rod from wholesalers
     
    Buy cheap Coal Mining 6m 159mm Stainless Steel Drill Rod from wholesalers
    • Buy cheap Coal Mining 6m 159mm Stainless Steel Drill Rod from wholesalers
    • Buy cheap Coal Mining 6m 159mm Stainless Steel Drill Rod from wholesalers

    Coal Mining 6m 159mm Stainless Steel Drill Rod

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    Brand Name : SHITAN
    Model Number : ST
    Certification : API
    Payment Terms : L/C, T/T, Western Union, MoneyGram
    Delivery Time : 5-8 working days
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    Coal Mining 6m 159mm Stainless Steel Drill Rod

    High Performance Friction Welding Drill Pipe For Water Well Drilling /Friction Welding Drilling Rod Drilling Pipe For Well Drilling


    1. Description


    Friction welding drill pipe is connected by using two drill pipe friction welding technology together, (under the influence of pressure, through to friction welding workpieces near the interface and its temperature, make the material produces plastic deformation, accompanied by a material to produce plastic flow, through the interface of molecular diffusion and recrystallization and solid-state welding method for welding.)Welding can achieve the strength of the forged tissue, theoretically comparable to the parent material.


    2. Specifications of drill pipe:


    Product nameFriction welding drill pipe
    Diameter50-159mm
    Length1000mm to 6000mm
    Wall thickness5.5/6.5mm/7.5/8.5mm/10mm
    MaterialHigh manganese steel
    ThreadAPI REG
    ApplicationWell-drilling,coal drilling,quarrying
    AdvantageHigh performance and high pressure

    3. Advantages of friction welding drill pipe:


    1) The optimal combination of drill pipe is realized, the rod body and joint can be made of different materials, and the heat treatment optimization performance is improved.Other forms of drill pipe cannot be achieved.

    2) The joint has high mechanical properties and abrasion resistance.Longer service life than other types of drill pipe.

    3) Light weight and good flexibility.

    4) The drilling fluid channel inside the drill pipe can be designed.The design of the inner hole channel of the threaded probe can fully consider to reduce the hydraulic loss when passing, especially to reduce the loss caused by the threaded joint part, can improve the working efficiency of the drilling fluid system.

    5) With the improvement of welding equipment, welding process and technology and the improvement of heat treatment technology, the connection strength of friction welding is higher than that of the base material itself.The welding strength of the weld is higher than that of the base material.

    6) Conduct integral tempering and heat treatment on the pier of friction welding drill pipe after it is thick, and its bending resistance and flexibility are greatly improved.


    Quality Coal Mining 6m 159mm Stainless Steel Drill Rod for sale
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