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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:
    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
    (4) Size:
    Tolerance of casing joint processing ovality ≤0.5mm.
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