Couplings for Casing

API 5CT Couplings for Casing

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Wide range of API 5CT Couplings for Casing, manufactured from API 5CT compliant material.

Specifications: As per the table below and more information is available on request.

  • Other specifications: API 5CT and 5B.
  • Available sizes: 4 1/2" ~ 20”.
  • Available threads:
    • BTC (Buttress Thread Casing)
    • LTC (Long Round Thread Casing)
    • STC (Short Round Thread Casing)
    • Available material grades: J55; K55; N80Q; L80; T85; C90; P110; Q125 (PSL-1 & PSL-2).

 

API 5CT Couplings for Casing (BTC, STC, LTC)
Size Outside Diameter Minimum Length TPI
BTC STC LTC BTC STC LTC
4 1/2" 5.000" 8.875" 6.25" 7" 5 Butt 8 Rnd 8 Rnd
5" 5.563" 9.125" 6.50" 7.75" 5 Butt 8 Rnd 8 Rnd
5 1/2" 6.050" 9.25" 6.75" 8" 5 Butt 8 Rnd 8 Rnd
6 5/8" 7.390"  9.625"  7.25"  8.75" 5 Butt 8 Rnd 8 Rnd
7" 7.875" 10" 7.25" 9" 5 Butt 8 Rnd 8 Rnd
7 5/8"  8.500"  10.375"  7.5"  9.25  5 Butt 8 Rnd 8 Rnd
8 5/8"  9.625" 10.625"  7.75"  10" 5 Butt 8 Rnd 8 Rnd
9 5/8” 10.625" 10.625" 7.75" 10.5" 5 Butt 8 Rnd 8 Rnd
10 3/4"  11.750"  10.625"  8"  - 5 Butt 8 Rnd -
11 3/4" 12.750"  10.625"  8"  - 5 Butt 8 Rnd -
13 3/8” 14.375" 10.625" 8" - 5 Butt 8 Rnd -
16"  17.000"  10.625"  9"  - 5 Butt 8 Rnd -
18 5/8"  20.000"  10.625"  9"  - 5 Butt 8 Rnd -
20"  21.000"  10.625"  9"  11.5" 5 Butt 8 Rnd 8 Rnd

More information available on request.

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