professional factory for Rock Drill Botton Bit - BW HW NW Casing – TDS
professional factory for Rock Drill Botton Bit - 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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Our well-equipped facilities and exceptional good quality manage throughout all stages of production enables us to guarantee total shopper satisfaction for professional factory for Rock Drill Botton Bit - BW HW NW Casing – TDS , The product will supply to all over the world, such as: panama, Norwegian, Sheffield, Now, we are trying to enter new markets where we do not have a presence and developing the markets we have the already penetrated. On account of superior quality and competitive price , we will be the market leader, please don’t hesitate to contact us by phone or email, if you are interested in any of our products.
By Colin Hazel from Swiss - 2017.11.12 12:31
In our cooperated wholesalers, this company has the best quality and reasonable price, they are our first choice.
By Deborah from Cyprus - 2017.11.29 11:09
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