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Non magnetic drill collar

1500.0~20000.0 USD
Min. Order: 1 Piece/Pieces
Trade Term: FOB
Payment Terms: L/C, T/T
Supply Ability: 5000pcs
Place of Origin: Henan

Company Profile

Location: Zhengzhou, Henan, China (Mainland)
Business Type: Manufacturer, Trading Company
Main Products: Pipe Mould, Ductile Iron Pipe Fitting

Product Detail

Model No.: 3 1/2"-11"
Means of Transport: Ocean, Air
Production Capacity: 5000pcs
Packing: steel frame
Delivery Date: about 60 days
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Product Description

Non magnetic Drill Collars Specification
Connection
OD
ID
L(mm)
DF mm Bending strength ratio
Bend Strength ratio
mm
in
mm
in
NC23-31
79.4
3 1/8
31.8
1 1/4
9150
76.2
2.57:1
NC26-35
88.9
3 1/2
38.1
1 1/2
9150
82.9
2.42:1
NC31-41
104.8
4 1/8
50.8
2
9150 or 9450
100.4
2.43:1
NC35-47
120.7
4 3/4
50.8
2
9150 or 9450
114.7
2.58:1
NC38-50
127.0
5
57.2
2 1/4
9150 or 9450
121.0
2.38:1
NC44-60
152.4
6
57.2
2 1/4
9150 or 9450
144.5
2.49:1
NC44-60
152.4
6
71.4
2 13/16
9150 or 9450
144.5
2.84:1
NC44-62
158.8
6 1/4
57.2
2 1/4
9150 or 9450
149.2
2.91:1
NC46-62
158.8
6 1/4
71.4
2 13/16
9150 or 9450
150.0
2.63:1
NC 46-65
165.1
6 1/2
57.2
2 1/4
9150 or 9450
154.8
2.76:1
NC 46-65
165.1
6 1/2
71.4
2 13/16
9150 or 9450
154.8
3.05:1
NC 46-47
171.4
6 3/4
57.2
2 1/4
9150 or 9450
159.5
3.18:1
NC 50-67
171.4
6 3/4
71.4
2 13/16
9150 or 9450
159.5
2.37:1
NC 50-70
177.8
7
57.2
2 1/4
9150 or 9450
164.7
2.54:1
NC 50-70
177.8
7
71.4
2 13/16
9150 or 9450
164.7
2.73:1
NC 50-72
184.2
7 1/4
71.4
2 13/16
9150 or 9450
169.5
3.12:1
NC 56-77
196.8
7 3/4
71.4
2 13/16
9150 or 9450
185.3
2.70:1
NC 56-80
203.2
8
71.4
2 13/16
9150 or 9450
190.1
3.02:1
6 5/8 REG
209.6
8 1/4
71.4
2 13/16
9150 or 9450
195.7
2.93:1
NC61-90
228.6
9
71.4
2 13/16
9150 or 9450
212.7
3.17:1
7 5/8 REG
241.3
9 1/2
76.2
3
9150 or 9450
223.8
2.81:1
NC70-97
247.6
9 3/4
76.2
3
9150 or 9450
232.6
2.57:1
NC70-100
254.0
10
76.2
3
9150 or 9450
237.3
2.81:1
8 5/8 REG
279.4
11
76.2
3
9150 or 9450
266.7
2.84:1
Dimensional Tolerances for Non magnetic Drill Collar
OD
OD
ID
Lmm
Bend Strength ratio DF
mm
in
≤88.9
≤3 1/2
+1.2
0
+1.6
0
+152.4
±0.4
>88.9-114.3
>3 1/2-4 1/2
+1.6
0
>114.3-139.7
>4 1/2-5 1/2
+2.0
0
>139.7-165.1
>5 1/2-6 1/2
+3.2
0
>165.1-215.9
>6 1/2-8 1/2
+4.0
0
>215.9-241.3
>8 1/2-9 1/2
+4.8
0
>241.3
>9 1/2
+6.4
0
Mechanical Properties
OD
Yield Strength
(Mpa)
Tensile strength
(Mpa)
Elongation
(%)
mm
in
88.9-174.6
3 1/8-6 3/4
≥758
≥827
≥18
177.8-279.4
7-11
≥689
≥758
≥20
Magnetic Properties
Magnetic field=1×105/4 πA /m
Average:Ur<1.010
Magnetic field gradient:≤0.05 T
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