High reputation Down The Hole Hammer Drilling - BW HW NW Casing – TDS

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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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Like a result of ours specialty and repair consciousness, our enterprise has won a superb popularity amid buyers everywhere in the environment for High reputation Down The Hole Hammer Drilling - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Kuala Lumpur, Lahore, Malaysia, Meanwhile, we're building up and consummating triangle market & strategic cooperation in order to achieve a multi-win trade supply chain to expand our market vertically and horizontally for a brighter prospects. development. Our philosophy is to create cost-effective products, promote perfect services, cooperate for long-term and mutual benefits, firm a comprehensive mode of excellent suppliers system and marketing agents, brand strategic cooperation sales system.

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