Chinese Professional Rock Drill Pipe - BW HW NW Casing – TDS

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It truly is a great way to improve our merchandise and repair. Our mission should be to create imaginative products to prospects with a excellent knowledge for China Electric Water Well Drilling Rig Factories, China Round Extension Rod Factory, Truck Mounted Water Well Drilling Rig, We are sincere and open. We look forward to your visit and establishing trustworthy and long-term standing relationship.

Chinese Professional Rock Drill Pipe - 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 always continually offer you the most conscientious purchaser services, and the widest variety of designs and styles with finest materials. These efforts include the availability of customized designs with speed and dispatch for Chinese Professional Rock Drill Pipe - BW HW NW Casing – TDS , The product will supply to all over the world, such as: luzern, Dominica, Croatia, Adhering to the principle of "Enterprising and Truth-Seeking, Preciseness and Unity", with technology as the core, our company continues to innovate, dedicated to providing you with the highest cost-effective products and meticulous after-sales service. We firmly believe that: we are outstanding as we are specialized.

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