High reputation Down The Hole Hammer Drilling - BW HW NW Casing – TDS
High reputation Down The Hole Hammer Drilling - 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 keep on with our business spirit of "Quality, Performance, Innovation and Integrity". We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for High reputation Down The Hole Hammer Drilling - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Honduras, Swedish, European, Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We have tightened inspection for quality of product.
By Bernice from United Arab Emirates - 2018.03.03 13:09
The company has a good reputation in this industry, and finally it tured out that choose them is a good choice.
By Ella from Danish - 2018.06.30 17:29
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