Heavy Weight Drill Pipe – API 7-1 / 7-2
Wide range of API Heavy Weight Drill Pipes, manufactured from AISI 4145H Alloy Steel, fully heat treated, all physical properties conform with API Spec 7-1 latest edition. .
Specifications: API SPEC 7-1
- Available sizes: O.D. 3 1/2” ~ O.D. 6 5/8”.
- Features - Hard Banding : These can be according customer’s requirement
- Features - Internal Coating : These can be according customer’s requirement
- Protection: Thread storage compound, with plastic thread protector installed.
Note: (high strength mechanical properties and outstanding resistant to stress corrosion cracking and resistant to galling.)
Technical specifications and parameters | |||||||
Size | ID | Tool joint OD | Tool joint ID | Connection Type | Max. elevator dia. | Central upset dia. | Min. drift dia. |
3 1/2" | 2 1/4" | 4 3/4" (4 7/8", 5") | 2 1/4" | NC38 | 3 7/8" | 4" | 2" |
2 1/16" | 2 1/16" | 1 13/16" | |||||
4" | 2 1/2" | 5 1/4" | 2 1/2" | NC40 | 4 3/16" | 4 1/2" | 2 1/4" |
2 9/16" | 2 9/16" | 2 5/16" | |||||
4 1/2" | 2 11/16" | 6 1/4" | 2 11/16" | NC46 | 4 11/16" | 5" | 2 7/16" |
2 3/4" | 2 3/4" | 2 1/2" | |||||
2 13/16" | 2 13/16" | 2 9/16" | |||||
5" | 3" | 6 5/8" | 3" | NC50 | 5 1/8" | 5 1/2" | 2 3/4" |
5 1/2" | 3 1/4" | 7" (7 1/4", 7 1/2") | 3 1/4" | 5 1/2" FH | 5 11/16" | 6" | 3" |
3 3/8" | 3 3/8" | 3 1/8" | |||||
3 7/8" | 3 7/8" | 3 5/8" | |||||
4" | 4" | 3 3/4" | |||||
6 5/8" | 4" | 8" (8 1/4", 8 1/2") | 4" | 6 5/8" FH | 6 15/16" | 7 1/8" | 3 3/4" |
4 1/2" | 4 1/2" | 4 1/4" | |||||
5" | 5" | 4 3/4" |
More information available on request.
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