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

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We always get the job done being a tangible workforce making sure that we can easily give you the very best quality as well as finest selling price for Nw Casing Manufacturer, Symmetrix Bits, China Thread Coupling Sleeve Supplier, If you are interested in our products, please feel free to send us your inquiry. We sincerely hope to establish win-win business relationships with you.

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 are going to make every single effort for being excellent and excellent, and accelerate our ways for standing while in the rank of international top-grade and high-tech enterprises for Chinese Professional Rock Drill Pipe - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Italy, New York, Cyprus, The credibility is the priority, and the service is the vitality. We promise we have the ability to provide excellent quality and reasonable price products for customers. With us, your safety is guaranteed.

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The customer service staff is very patient and has a positive and progressive attitude to our interest, so that we can have a comprehensive understanding of the product and finally we reached an agreement, thanks!