High purity stainless steel non-magnetic oil drilling collar , Drilling String
1.Product Description of non-magnetic drill collar
HYRD's non-magnetic drill collar are manufactured from integral non magnetic alloy steel accroding to API spec7 and SY/T5144. All thread can be phosphated, copperised or cold worked. All thread are machined with CNC Lathes-double-shouldered and special thread.
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Product: |
oilfield API non-magnetic drill collar |
|
Size: |
3 1/8"-11" |
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Delivery time: |
30 days after receive the deposit. |
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Standard |
API Spec 7-1 |
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Payment Term: |
30% advance by TT; Balance pay against shipping documents or irrevocable LC at sight |
Magnetic Properties
MPS=(1×105/4π)A/m
Average: μr<1.010
2.Product Specification:
|
OD |
ID |
Length mm |
Bevel Diamater |
Bend strength |
|||
|
mm |
in |
mm |
in |
||||
|
79.4 |
3 1/8 |
31.8 |
1 1/4 |
9150 |
76.2 |
2.57:1 |
|
|
88.9 |
3 1/2 |
38.1 |
1 1/2 |
9150 |
82.9 |
2.42:1 |
|
|
104.8 |
4 1/8 |
50.8 |
2 |
9150 / 9450 |
100.4 |
2.43:1 |
|
|
120.7 |
4 3/4 |
50.8 |
2 |
9150 / 9450 |
114.7 |
2.58:1 |
|
|
127 |
5 |
57.2 |
2 1/4 |
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