4145H Modified Steel Forged Drilling Stabilizer Collars for Oil Drilling Equipment
| Place of Origin: | Henan |
|---|
Company Profile
| Location: | Jiyuan, Henan, China (Mainland) |
|---|---|
| Business Type: | Manufacturer |
| Main Products: | Heavy Steel Forgings, Centrifugal Casting Pipe, Corrugated Iron Roller |
Product Description
4145H Modified Steel Forged Drilling Stabilizer Collars for Oil Drilling Equipment
Specifications:
1. Material: 4145H, 4145Mod, 40CrMnMo, etc.
2. Standard size, inner diameter and thread for drill collar
|
No. |
Outer diameter |
Inner diameter |
Length |
Should chamfering diameter |
Bending |
||
|
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 9450 |
100.4 |
2.43:1 |
|
NC35-47 |
120.7 |
4 3/4 |
50.8 |
2 |
9150 9450 |
114.7 |
2.58:1 |
|
NC38-50 |
127.0 |
5 |
57.2 |
2 1/4 |
9150 9450 |
121.0 |
2.38:1 |
|
NC44-60 |
152.4 |
6 |
57.2 |
2 1/4 |
9150 9450 |
144.5 |
2.49:1 |
|
NC44-60 |
152.4 |
6 |
71.4 |
2 13/16 |
9150 9450 |
144.5 |
2.84:1 |
|
NC44-62 |
158.8 |
6 1/4 |
57.2 |
2 1/4 |
9150 9450 |
149.2 |
2.91:1 |
|
NC46-62 |
158.8 |
6 1/4 |
71.4 |
2 13/16 |
9150 9450 |
150.0 |
2.63:1 |
|
NC46-65 |
165.1 |
6 1/2 |
57.2 |
2 1/4 |
9150 9450 |
154.8 |
2.76:1 |
|
NC46-65 |
165.1 |
6 1/2 |
71.4 |
2 13/16 |
9150 9450 |
154.8 |
3.05:1 |
|
NC46-67 |
171.4 |
6 3/4 |
57.2 |
2 1/4 |
9150 9450 |
159.5 |
3.18:1 |
|
NC50-67 |
171.4 |
6 3/4 |
71.4 |
2 13/16 |
9150 9450 |
159.5 |
2.37:1 |
|
NC50-70 |
177.8 |
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