OEM China China Dth Hammers - BW HW NW Casing – TDS

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OEM China China Dth Hammers - 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:

OEM China China Dth Hammers - BW HW NW Casing – TDS detail pictures

OEM China China Dth Hammers - BW HW NW Casing – TDS detail pictures

OEM China China Dth Hammers - BW HW NW Casing – TDS detail pictures


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We regularly perform our spirit of ''Innovation bringing progress, Highly-quality making certain subsistence, Administration marketing benefit, Credit score attracting customers for OEM China China Dth Hammers - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Niger, azerbaijan, Czech Republic, We also provide OEM service that caters to your specific needs and requirements. With a strong team of experienced engineers in hose design and development, we value every opportunity to provide best products and solutions for our customers.
  • We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Pearl from Ghana - 2017.08.15 12:36
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Carol from Guatemala - 2018.05.13 17:00
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