China Factory for Drifter Drill Rod - BW HW NW Casing – TDS
China Factory for Drifter Drill Rod - BW HW NW Casing – TDS Detail:
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.
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) |
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We support our buyers with ideal high quality products and high level service. Becoming the specialist manufacturer in this sector, we have gained rich practical experience in producing and managing for China Factory for Drifter Drill Rod - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Cologne, Congo, Iran, We warmly welcome domestic and overseas customers to visit our company and have business talk. Our company always insists on the principle of "good quality, reasonable price, the first-class service". We are willing to build long-term, friendly and mutually beneficial cooperation with you.

The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.

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