Factory wholesale Swivel - BW HW NW Casing – TDS

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Our personnel are always in the spirit of "continuous improvement and excellence", and together with the top-quality good quality solutions, favorable selling price and superior after-sales providers, we try to acquire each customer's rely on for Dth Hammer Drill Rod, Eccentric Drilling System, Steel Tooth Bit, Honesty is our principle, skilled procedure is our perform, service is our target, and customers' satisfaction is our long term!

Factory wholesale Swivel - 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 purpose would be to offer good quality products at competitive price ranges, and top-notch support to clients around the whole world. We're ISO9001, CE, and GS certified and strictly adhere to their good quality specifications for Factory wholesale Swivel - BW HW NW Casing – TDS , The product will supply to all over the world, such as: Azerbaijan, Australia, Portugal, we are now looking forward to even greater cooperation with overseas customers based on mutual benefits. We will work wholeheartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.

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