factory customized Rock Drill - BW HW NW Casing – TDS

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factory customized Rock Drill - BW HW NW Casing – TDS Detail:

 

 

 

 

 

 

 

 

Product overview导航栏

1. Our Nw Hw Pw Casing Tubes are of the highest quality ,are manufactured to exacting specifications using advancing maching technoogy.

2. They are  manufactured from seamless steel tube by cold drawn.The material is XJY850/30CrMnSiA which meets the global standard. 

3. Drill rods are made  from quality heat treated materials which ensure superior strength, wear resistance and toughness in the most demanding applications.

4. Rods and casing are manufactured under stringent industry standards, and are field tested under a variety of conditions.

5. All rods are designed to be compatible with other rods manufactured to the standard  DCDMA.

Specification导航栏

Casing BW NW HW HWT PWT
Outer diameter OD mm (in) 73.03 (2.88) 88.90 (3.50) 114.30 (4.50) 114.30 (4.50) 139.70 (5.50)
Inner diameter ID – box shoulder mm (in) 60.33 (2.38) 76.20 (3.00) 101.60 (4.00) 101.60 (4.00) 127.00 (5.00)
Wall thickness mm (in) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25)
Pin end length mm (in) 63.50 (2.50) 69.85 (2.75) 76.20 (3.00) 63.50 (2.50) 63.50 (2.50)
Thread pitch mm (in) 6.35 (0.25) 6.35 (0.25) 6.35 (0.25) 10.16 (0.40) 10.16 (0.40)
Weight kg/m (lb/ft) 11.71 (7.87) 12.96 (8.71) 16.95 (11.39) 16.95 (11.39) 20.94 (14.07)
Casing content volume L/m (gal/ft) 4.19 (0.34) 4.56 (0.37) 8.11 (0.65) 8.11 (0.65) 12.67 (1.02)
Hole volume L/m (gal/ft) 4.45 (0.36) 6.62 (0.53) 10.84 (0.87) 10.84 (0.87) 16.18 (1.30)
Casing/hole annulus volume L/m (gal/ft) 0.27 (0.02) 0.41 (0.03) 0.58 (0.05) 0.58 (0.05) 0.85 (0.07)
Min yield strength MPa (psi) 524.00 (76000.00) 524.00 (76000.00) 524.00 (76000.00) 524.00 (76000.00) 524.00 (76000.00)
Min tensile strength MPa (psi) 599.84 (87000.00) 599.84 (87000.00) 599.84 (87000.00) 599.84 (87000.00) 599.84 (87000.00)
Displacement volume L/m (gal/ft) 1.33 (0.11) 1.65 (0.13) 2.15 (0.17) 2.15 (0.17) 2.66 (0.21)
Burst pressure – box shoulder MPa (psi) 30.30 (4394.78) 24.24 (3515.00) 19.56 (2837.33) 14.98 (2172.33) 12.25 (1777.36)
Burst pressure – midbody MPa (psi) 79.74 (11565.22) 65.50 (9500.00) 50.94 (7388.89) 50.94 (7388.89) 41.68 (6045.45)
Collapse pressure – midbody MPa (psi) 72.81 (10559.55) 60.82 (8821.43) 48.11 (6978.40) 48.11 (6978.40) 39.79 (5770.66)

Product detail pictures:

factory customized Rock Drill - BW HW NW Casing – TDS detail pictures

factory customized Rock Drill - BW HW NW Casing – TDS detail pictures

factory customized Rock Drill - BW HW NW Casing – TDS detail pictures


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We take "customer-friendly, quality-oriented, integrative, innovative" as objectives. "Truth and honesty" is our administration ideal for factory customized Rock Drill - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Malawi, Slovakia, Singapore, With more than 9 years of experience and a professional team, we have exported our products to many countries and regions all over the world. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Yannick Vergoz from Barbados - 2018.02.08 16:45
    This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
    5 Stars By Rae from Milan - 2017.02.18 15:54
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