API Line Pipe

API 5CT Casing and Tubing

ISO 11960/ API 5CT J55, K55, N80, L80, P110 Pipe supplier in India

API 5CT Casing and Tubing is a Oil Casing Pipe & mainly used for oil well drilling. Trident Steel supply API 5CT Casing Tubing in accordance with the ISO 11960 and SY/T6194-96 standard. These API Casings are available in various grades including API 5CT J55, K55, N80, L80, P110. API 5CT short thread type and long thread type Casing are supplied with their couplings.

According to American Petroleum Institute Standard API SPEC 5CT1988 1st edition, the steel grade of API 5CT oil casing pipe can be divided into ten types, including H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110 and Q-125. Trident Steel supply the casing pipe & API 5CT T95 Casing Tubing accompanied with thread and coupling.

Trident Steel have our Sales Consultants in Vietnam, Indonesia, Singapore, Malaysia, Abu Dhabi (UAE), Saudi Arabi, and Qatar. Contact us for more information about sourcing, mill, Threads, Sizes, Grade, Wall Thickness & Pressure rating.

If you are interested to buy API 5CT Casing and Tubing as per International standard, we can supply you with the lowest price and highest quality.

API 5CT Casing & Tubing Specification

Casing Pipe OD
  • 4-1/2“ to 20“
  • 114.3mm to 508mm
Wall Thickness/ Schedule 5.21 mm to 16.13 mm
Thread Type STC, LTC and BTC,
Casing Length
  • R1 (4.88-7.62 Mtr)
  • R2 (7.62-10.36 Mtr)
  • R3 (10.36-14.63 Mtr)
Manufacturing Standard API 5CT

API 5CT Grades

J55, K55, M65, N80, N80-1, N80-Q, C90, C95, T95, P110, Q125, L80-1, L80-9Cr, L80-13Cr,

 

API 5CT Casing Pipe Specification

Standard

  API 5CT

Commnly Used Model

  2-3/8", 2-7/8", 3-1/2", 4", 4-1/2"

Stock Length
  •   R1(6.10-7.32 mtr)
  • R2(8.53-9.75 mtr)
  • R3(11.58-12.8 mtr)

Available Grades at Trident

  J55, K55, N80-1, N80-Q, L80, P110

Screw Threads

   External upset threaded end (EUE) and Non upset threaded end (NUE)
Specialized in
  • Threading
  • External upset
  • Heat treating
  • Drifting (Full-length, or just ends)
  • Full third-party inspection capabilities (EMI, SEA, and Weld Line)
  • Hydrostatic Testing
  • Couplings – EUE, AB Modified, turned down, special clearance couplings
  • API 5CT Pup Joints
  • Coating to customer specifications
END TYPE
  • API 5CT Tubing End - Plain End, EUE 8RD
  • API 5CT Casing End - Plain End, STC, LTC, BTC

 

API 5CT Casing & Tubing Sizes

Grades OD Wall T&C # / ft PE # / ft Collar API 5CT Drift
J55, J-FBNAU, N80, L80, P110 2.375″ .190 4.7 4.44 EUE,
AB MOD		 1.901
J55, J-FBNAU, N80, L80, P110 2.875″ .217 6.5 6.17 EUE,
AB MOD		 2.347
J55, J-FBNAU, N80, L80, P110 3.5″ .254 9.3 8.81 EUE,
AB MOD		 2.867

API 5CT Casing Tubing Dimensions

Name of Pipes

Casing Tubing Dimensions

API 5CT Grades

API Standard

 

D

(L)

(S)

 

 

(mm)

(meter)

(mm)

API 5CT Petroleum Tubing

26.7-114.3

6-12

2.87-16.00

J55. M55. K55.
L80. N80. P110.

API Spec 5CT (8)

API 5CT Petroleum Casing Pipe

127-508

6-12

5.21-16.66

J55, M55, K55,
L80. N80. P110.

API Spec 5CT (8)

API 5CT Coupling

127-533.4

6-12

12.5-15

J55. M55. K55.
L80. N80. P110.

API Spec 5CT (8)

API 5CT Chemical Composition

Group Grade Type C Mo Mn Cr S max. Ni max. P max. Cu max. Si max.
min. max. min. max. min. max. min. max.
1 2 3 4 5 8 9 6 7 10 11 15 12 14 13 16
1 H40 - - - - - - - - - 0.03 - 0.03 - -
J55 - - - - - - - - - 0.03 - 0.03 - -
K55 - - - - - - - - - 0.03 - 0.03 - -
N80 1 - - - - - - - - 0.03 - 0.03 - -
N80 Q - - - - - - - - 0.03 - 0.03 - -
R95 - - 0.45 c - - - 1.9 - - 0.03 - 0.03 - 0.45
2 M65 - - - - - - - - - 0.03 - 0.03 - -
　 L80 1 - 0.43 a - - - 1.9 - - 0.03 0.25 0.03 0.35 0.45
　 L80 9Cr - 0.15 0.9 1.1 0.3 0.6 8 10 0.01 0.5 0.02 0.25 1
　 L80 13Cr 0.15 0.22 - - 0.25 1 12 14 0.01 0.5 0.02 0.25 1
　 C90 1 - 0.35 0.25 b 0.85 - 1.2 - 1.5 0.01 0.99 0.02 - -
　 T95 1 - 0.35 0.25 d 0.85 - 1.2 0.4 1.5 0.01 0.99 0.02 - -
　 C110 - - 0.35 0.25 1 - 1.2 0.4 1.5 0.005 0.99 0.02 - -
3 P110 e - - - - - - - - 0.030 e - 0.030 e - -
4 Q125 1 - 0.35 - 0.85 1.35 - 1.5 0.01 0.99 0.02 - -

 

API 5CT Casing Tubing Mechanical Properties

Standard Type Yield Strength
MPa		 Tensile Strength
MPa		 Hardness
Max.
API SPEC 5CT Pipe J55 379 ~ 552 ≥517 ----
K55 ≥655 ≥517 ---
N80 552 ~ 758 ≥689 ---
L80(13Cr) 552 ~ 655 ≥655 ≤241HB
P110 758 ~ 965 ≥862 ----

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