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Help Center3 1/2-6 5/8 Integral Heavy Weight Drill Pipe
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Specifications
1.Standard: API 7-12.AISI 4142H-4145H modified structural alloy steel
3.OD:3 1/2-6 5/8
4.Strict quality assurance system
Integral Heavy Weight Drill Pipe
Product Description
The wall thickness of heavy weight drill pipe is between drill pipe and drill collar, its structure is simliar with drill pipe. It is made from premium alloyed steel. Its both tool joints and middle upset are welded hard bands. Technical parameters meet with API Spec7-1 Standard.
Thechnical specifications and parameters
Size |
O.D. |
I.D. |
Tool Joint O.D. |
Tool Joint I.D. |
Thread type |
Max.elevator diameter |
Central upset dia. |
Min drift dia.size |
3 1/2 |
3 1/2 |
2 1/4 |
4 3/4 |
2 1/4 |
NC38 |
3 7/8 |
4 |
2 |
2 1/16 |
2 1/16 |
2 13/16 |
||||||
4 |
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 |
4 1/2 |
2 11/16 |
6 1/4 |
2 11/16 |
NC46 |
4 11/16 |
5 |
2 17/16 |
2 3/4 |
2 3/4 |
2 1/2 |
||||||
213/16 |
2 13/16 |
2 9/16 |
||||||
5 |
5 |
3 |
6 5/8 |
3 |
NC 50 |
5 1/8 |
5 1/2 |
2 3/4 |
5 1/2 |
5 1/2 |
3 1/4 |
7 |
3 1/4 |
5 1/2FH |
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 |
6 5/8 |
4 |
8 |
4 |
6 5/8FH |
6 15/16 |
7 1/8 |
3 3/4 |
4 1/2 |
4 1/2 |
4 1/4 |
||||||
5 |
5 |
4 3/4 |
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