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OCTG · API 5CT

Casing (API 5CT)

Steel casing for lining and protecting oil and gas wellbores. Diameter 4-1/2" to 20", grades J55 to Q125 and 13Cr, with BTC, LTC, STC and premium connections.

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API 5CT
J55 – Q125
13Cr
BTC / LTC / STC
Premium Conn.
4½″ – 20″

Casing (API 5CT)

API 5CT casing is used to line oil and gas wellbores and protect the production string. The casing holds the drill string in place and prevents unstable upper formations from collapsing. IPC supplies casing from internationally certified manufacturers with full API compliance, dimensional accuracy, and complete mill documentation.

Specification Detail
Use Line and protect the wellbore; holds the drill string and prevents unstable formations from collapsing
OD 4-1/2″ – 20″
Wall Thickness 5 – 16 mm
Length R2: 7.62 – 10.36 m / R3: 10.36 – 14.63 m
Standard API 5CT
Grades
J55 K55 N80 N80Q L80 C90 T95 P110 Q125 13Cr
Connections BTC (Buttress Thread), LTC (Long Thread), STC (Short Thread), Intrepid-SP (Semi-Premium), Intrepid-M (Premium)
Thread Protectors Plastic
API 5CT J55 K55 N80 L80 P110 Q125 13Cr BTC LTC STC Premium

Key Features

  • Full range surface to production casing
  • Grades up to Q125 and 13Cr (corrosion resistant)
  • BTC, LTC, STC & premium connections
  • OD range: 4-1/2" to 20"
  • R2 and R3 lengths available
  • Full traceability and material test reports

Request a Quote for Casing

Provide your grade, OD, weight, connection type, and quantity — we'll source the right casing at competitive prices.