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Casing joint set
Position：Home > Casing joint set >
(1) Material of casing joint group:
Production of 25CrMo forgings (heat treatment, digital multi-axis precision machining, high-frequency quenching and tempering), executive standard: GB/T3077-1999.
(2) Perform flaw detection on the casing joint blank and issue a flaw detection report.
(3) Casing joint group:
(4) Size:
Tolerance of casing joint processing ovality ≤0.5mm.
Production of 25CrMo forgings (heat treatment, digital multi-axis precision machining, high-frequency quenching and tempering), executive standard: GB/T3077-1999.
(2) Perform flaw detection on the casing joint blank and issue a flaw detection report.
(3) Casing joint group:
| Specification | Work level | Number of screws | Number of keyways |
| Ø980*50mm | 700 mm | 12 | 6 |
| Ø1180*50mm | 700 mm | 12 | 6 |
| Ø1280*50mm | 700 mm | 12 | 6 |
| Ø1380*50mm | 700 mm | 12 | 6 |
| Ø1480*50mm | 700 mm | 16 | 4 |
| Ø1800*50mm | 700 mm | 20 | 5 |
| Ø1980*50mm | 700 mm | 20 | 5 |
| Ø2200*60mm | 700 mm | 20 | 5 |
| Ø2400*60mm | 700 mm | 24 | 6 |
| Ø2600*60mm | 740 mm | 24 | 6 |
| Ø2800*60mm | 740 mm | 32 | 8 |
| Ø3000*70mm | 740 mm | 32 | 8 |
| Ø3200*70mm | 740 mm | 32 | 8 |
| Ø3500*75mm | 740 mm | 40 | 10 |
Tolerance of casing joint processing ovality ≤0.5mm.