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 now have a specialist, efficiency workforce to deliver excellent service for our purchaser. We always follow the tenet of customer-oriented, details-focused for factory customized Rock Drill - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Belize, Kazakhstan, Marseille, As operation principle is "be market-oriented , good faith as principle, win-win as objective", holding on "customer first, quality assurance, service first" as our purpose, dedicated to provide the original quality, create excellence service , we won the praise and trust in the industry of auto parts. In the future, We will provide quality product and excellent service in return to our customers , welcome any suggestions and feedback from all over the world.
  • Products and services are very good, our leader is very satisfied with this procurement, it is better than we expected,
    5 Stars By Meroy from Zimbabwe - 2017.09.29 11:19
    As a veteran of this industry, we can say that the company can be a leader in the industry, select them is right.
    5 Stars By Hazel from United States - 2018.11.28 16:25
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