Home > Products > Hot products > API Square Kelly Drill Pipe/ AISI 4145H Mod Square Kelly for Oil Mining/ 5 1/4" NC56 Square Kelly
API Square Kelly Drill Pipe/ AISI 4145H Mod Square Kelly for Oil Mining/ 5 1/4" NC56 Square Kelly
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Product Details
| Place of Origin | China | Brand Name | Senwell | |
| Type | Drill Pipe | Machine Type | Drilling Tool | |
| Certification | API | Material | High Manganese Steel | |
| Processing Type | Forging | Use | Well Drilling |
Product Description
Specifications
Standard: API 7-1Material: AISI 4145H---4145H Mod
Type: Square Kelly
Specifications
oilfield square kelly
1.As customer`s request
2.AISI 4145H
3.Fast delivery&Best service
oilfield square kelly
API 7-1 Standard oilfield square kelly is made from AISI 4145H alloy steel according to API Spec7-1. We can offer Square Kelly and Hexagonal Kelly. Kelly's ends drive cross-section and joint are all processed and tested in terms of API Spec7-1. It is
formed through hot forging and fully heat-treated by intermediate frequency induction
heat treatment or 20m horizontal optical resistance furnace. Threads can be phosphated, copperized or cold worked.
Nom Size (in) | Top Connection(LH) | Bottom Connection | I.D.(in) | Drive Section(in) | ||||
Standard O.D.(in) | Optional O.D.(in) | Square O.D.(in) | Hex. O.D.(in) | Square | Hex. | A | B | |
2 1/2 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC26 85.7 |
| 1 1/4 |
| 3 2/7 |
|
3 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC31 4 1/8 | NC26 3 3/8 | 1 3/4 | 1 1/4 | 4 | 3 3/8 |
3 1/2 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC38 4 3/4 | NC31 4 1/8 | 2 1/4 | 1 3/4 | 4 1/2 | 4 |
4 1/4 | 6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC46 6 1/4 | NC38 4 3/4 | 2 4/5 | 2 1/4 | 5 4/7 | 4 4/5 |
6 5/8REG 7 3/4 | 4 1/2REG 5 3/4 | NC50 6 3/8 | NC38 4 3/4 | 2 4/5 | 2 1/4 | 5 4/7 | 4 4/5 | |
5 1/4 | 6 5/8REG 7 3/4 |
| 5 1/2FH 7 | NC46 6 1/4 | 3 1/4 | 3 | 7 | 6 |
6 5/8REG 7 3/4 |
| NC56 7 | NC50 6 3/8 | 3 1/4 | 3 1/4 | 7 | 6 | |
6 | 6 5/8REG 7 3/4 |
|
| 5 1/2FH 7 |
| 3 1/2 |
| 6 4/5 |
6 5/8REG 7 3/4 |
|
| NC56 7 |
| 3 1/2 |
| 6 4/5 | |
Contact Us
- Shaanxi Senwell Import & Export Co., Ltd.
- Contact nameJenny Zhang Chat Now
- Phone86-29-85370919
- Address1623, Unit 1, Bldg. 2, I Duhui, Yicuiyuan, Tangyan South Road, High-Tech Zone
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