we supply double-wall casing , single wall casing, casing joint, casing shoes, casing drive adapter, casing system matched to all standard diameters. especially , the casing coupling joint adopt the forging from raw material , the submerged-arc welding makes weld composition and mechanical properties stably .
Wall thickness: 20~60mm
Double Wall Casing Pipe 25CrMo Casing Joint Casing Shoe WS39 Teeth Bauer Drilling Rig Casings
1. Welding:Full robot welding, submerged arc welding, no seams
2. Casing Joint:Q345B with heat treatment or 25CrMo
3. Casing Pipe Material:Q345B
4. Size:Various sizes can be customized
5. Connection System:Bauer, Leffer and other connection systems can be customized
6. Matching Drilling Rig:Bauer, Soilmec, Mait, Casagrande, Liebherr, Sany and other international brand drilling rigs
7. Verticality: The casing verticality is no more than 2%;
Joint ellipticity is controlled within ±1mm.
8. Bolt:The casing bolt connection has German standard, Japanese standard, LEEFER (usually used for full rotation), Taiwan (heavy-duty machine) and other specifications according to customer requirements.
CASING JOINT
| D1/D2 (mm) | H (mm) | B (mm) | N (pcs) | Hole (pcs) | Bolt type | Weight (kg) |
| 620/540 | 350 | 40 | 4 | 8 | I | 233 |
| 750/670 | 350 | 40 | 4 | 8 | I | 285 |
| 800/720 | 350 | 40 | 4 | 8 | I | 304 |
| 880/800 | 350 | 40 | 4 | 8 | I | 333 |
| 1000/920 | 350 | 40 | 4 | 8 | I | 381 |
| 1180/1100 | 350 | 40 | 4 | 8 | I | 438 |
| 1200/1120 | 350 | 40 | 4 | 8 | I | 450 |
| 1300/1220 | 350 | 40 | 4 | 8 | I | 483 |
| 1800/1700 | 480 | 50 | 4 | 16 | I | 1146 |
| 2500/2380 | 480 | 50 | 8 | 16 | II | 2197 |
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Double Wall Casing Joint 25Crmo Stainless Steel Single Wall Casing Joint Images
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