Casing Tongs
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The casing tongs are used to make up or break out connections of tubular goods (casing, drill pipe, ect.), and they can be outfitted with different hinge jaws, lug jaws and handling shoulders to provide various gripping ranges.
Standard for Casing Tongs
1. API Spec 7K: Specification for Drilling and Well Servicing Equipment
2. SY/T 5035: National Standard for Petroleum and Gas Industry: Elevator Links, Elevators and Tongs
| Gripping range | Max. torque (kN·m) | |
| mm | inch | |
| 340-368 | 133/8-141/2 | 35 |
| 368-406 | 141/2-16 | |
| 406-445 | 16-171/2 | |
| 445-483 | 171/2-19 | |
| 483-508 | 19-20 | |
| 508-546 | 20-211/2 | |
| 546-584 | 211/2-23 | |
| 610-648 | 24-251/2 | |
| 648-686 | 251/2-27 | |
| 686-724 | 27-281/2 | |
| 724-762 | 281/2-30 | |
Related Names
Oil Drilling Tool | Rig Handling Tool | Manual Tongs
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