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API Kelly
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Product Details
| Thickness | 7.11, 9.19 | Section Shape | Round | |
| Outer Diameter | 60.32 - 168.3 mm | Place of Origin | Shandong, China | |
| Secondary Or Not | Non-secondary | Application | Oil Pipe | |
| Technique | Hot Rolled | Certification | API | |
| Surface Treatment | Other | Special Pipe | API Pipe | |
| Alloy Or Not | Is Alloy |
Product Description
Kellys are available up to 54 feet long.
Kellys are stamped with the API monogrom, where applicable
Our company offers square and hexagonal kellys. Kellys are available up to 46 feet long.Our kellys are made from 4145H modified alloy bars that are quenched and tempered full length. A hardness range of 285 to 341 BHN and a minimum impact value of 40ft-lbs are maintained one inch below the surface at room temperature. All ends and center drive sections trepanned to provide true bores. They are drifted to API specifications, and all connections are machined.
Square kelly
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
specification | Lower thread connection | Lower thread connection | ||||||
Mark | OD | DF | Mark | OD | ID | DF | ||
2 1/2 | 63.5 | 6 5/8REG | 196.8 | 186.1 | NC26 | 85.7 | 31.8 | 83.0 |
4 1/2REG | 146.0 | 134.5 | NC26 | 85.7 | 31.8 | 83.0 | ||
3 | 76.2 | 6 5/8REG | 196.8 | 186.1 | NC31 | 104.8 | 44.4 | 100.4 |
4 1/2REG | 146.0 | 134.5 | NC31 | 104.8 | 44.4 | 100.4 | ||
3 1/2 | 88.9 | 6 5/8REG | 196.8 | 186.1 | NC38 | 120.6 | 57.2 | 116.3 |
4 1/2REG | 146.0 | 134.5 | NC38 | 120.6 | 57.2 | 116.3 | ||
4 1/4 | 108 | 6 5/8REG | 196.8 | 186.1 | NC46 | 158.8 | 71.4 | 145.2 |
6 5/8REG | 196.8 | 186.1 | NC50 | 161.9 | 741.4 | 154.0 | ||
4 1/2REG | 146.0 | 134.5 | NC46 | 158.8 | 71.4 | 145.2 | ||
4 1/2REG | 146.0 | 134.5 | NC50 | 161.9 | 71.4 | 154.0 | ||
5 1/4 | 133.4 | 6 5/8REG | 196.8 | 186.1 | 5 1/2FH | 177.8 | 82.6 | 170.6 |
6 5/8REG | 196.8 | 186.1 | NC56 | 177.8 | 82.6 | 171.0 | ||
Contact Us
- Goldenman Petroleum Equipment Co., Limited
- Contact nameJane Qi Chat Now
- Phone0086-546-8058559
- AddressNo. 67, Fuqian Street, Dongying District
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