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Non-magnetic bearing drill pipe
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Non-magnetic bearing drill pipe
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Non-magnetic bearing drill pipe
Non-magnetic bearing drill pipe is made of independently developed low-carbon stainless steel in accordance with API Specifications and enterprise standards. Threads can be processed with cold rolling. We can process double-shoulder threads and other specifications of special threads and can also produce kinds of non-standard products.
● Dimensional specification
|
Specification |
OD |
ID |
Connerction |
Body |
||||||
|
Style |
OD |
Inner and outer thread shoulder chamfer |
Upset |
|||||||
|
mm |
in |
mm |
in |
mm |
in |
Center areamm |
Endarea mm |
|||
|
WCY66-65/8FH-I |
168.3 |
65/8 |
114.3 |
41/2 |
65/8FH |
209.6 |
81/4 |
195.70 |
184.2 |
176.21 |
|
WCY55-51/2FH-I |
139.7 |
51/2 |
92.1 |
35/8 |
51/2FH |
177.8 |
7 |
170.7 |
152.4 |
144.5 |
|
WCY50-NC50-I |
127.0 |
5 |
76.2 |
3 |
NC50 |
168.3 |
65/8 |
154.0 |
139.7 |
130.2 |
|
WCY45-NC46-I |
114.3 |
41/2 |
71.4 |
213/16 |
NC46 |
158.8 |
61/4 |
145.3 |
127.0 |
117.5 |
|
WCY40-NC40-I |
101.6 |
4 |
65.09 |
29/16 |
NC40 |
133.35 |
51/4 |
127.4 |
101.6 |
98.43 |
|
WCY35-NC38-I |
88.9 |
31/2 |
52.39 |
21/16 |
NC38 |
120.7 |
43/4 |
116.3 |
101.6 |
92.1 |
|
WCY29-NC31-I |
73.03 |
27/8 |
50.8 |
2 |
NC31 |
104.8 |
41/8 |
100.4 |
84.1 |
81.0 |
Note: refer to the non-magnetic drill collar for the mechanical properties
Magnetic property
(Magnetic field = 1 × 105/4π A/m)
1. Relative magnetic permeability μr <1.010
2. Magnetic gradient ΔB ≤0.05 μT
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Address: 3rd Floor, Block B, Oriental International Mansion Commercial Building, Qinyuan Street, Jiyuan City, Henan Province
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