API 5CT C90 Casing

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Api 5ct C90 Casing Steel Pipe Suppliers in India

Exporters of API 5CT Gr. C90 Oilfield Casing Pipes, Material Grade C90 Tubing

API 5CT Seamless Tube

API 5CT Seamless Tube

Welded 5CT K55 Tubing

Welded 5CT K55 Tubing

Stainless Steel K55 Tube

Stainless Steel K55 Tube

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Programming interface 5CT C90 Casing Tubing is an API 5CT Oil Casing Pipe and generally used for oil well infiltrating. We make API 5CT C90 Casing Tubing according to the SY/T6194-96 standard, it is open as short string sort and long string sort furnished with their couplings. As demonstrated by American Petroleum Institute Standard API SPEC 5CT1988 first form, the steel assessment of API 5CT oil bundling pipe can be disengaged into ten sorts, including K-55, H-40, C-95, C-90, J-55, L-80, N-80, C-75, P-110 and Q-125. We supply the bundling channel , Grade C90 Oil Well Drilling Casing Pipe and API 5CT C90 Casing Tubing ran with string and coupling, or we offer our thing according to the going with structures for decision. After the external surface is covered with a defensive layer of the C90 Api Steel Casing Pipe, the tubing is set apart as per the API 5CT standard and lashed with metal belt. C90 Oil And Gas Api Casing Pipe, API 5CT C90 Casing Tubing serves to transport both rough flammable gas and oil from oil and gas layer to the surface pipeline in the wake of boring is finished.

Table of content

API 5CT C90 Casing Tubing Tensile & Hardness Requirement

Group Grade Type Total elongation under load % Yield strength MPa Tensile strength min. MPa Hardness a max. Specified wall thickness mm Allowable hardness variation b HRC
min. max . 　 HRC HBW
1 2 3 4 5 6 7 8 9 10 11
1 H40 - 0.5 276 552 414 - - - -
J55 - 0.5 379 552 517 - - - -
K55 - 0.5 379 552 655 - - - -
N80 1 0.5 552 758 689 - - - -
N80 Q 0.5 552 758 689 - - - -
R95 - 0.5 655 758 724 - - - -
2 M65 - 0.5 448 586 586 22 235 - -
L80 1 0.5 552 655 655 23 241 - -
L80 9Cr 0.5 552 655 655 23 241 - -
L80 13Cr 0.5 552 655 655 23 241 - -
C90 1 0.5 621 724 689 25.4 255 ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 3.0 4.0 5.0 6.0
T95 1 0.5 655 758 724 25.4 255 ≤ 12.70 12.71 to 19.04 19.05 to 25.39 ≥ 25.40 3.0 4.0 5.0 6.0
C110 - 0.7 758 828 793 30 286 ≤ 12.70 12.71 to 19.04 19.05 to 25.39. ≥ 25.40 3.0 4.0 5.0 6.0
3 P110 - 0.6 758 965 862 - - - -
4 Q125 1 0.65 862 1034 931 b - ≤ 12.70 12.71 to 19.04 ≥ 19.05 3.0 4.0 5.0
a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method.
b No hardness limits are specified, but the maximum variation is restricted in accordance with 7.8 and 7.9 of API Spec. 5CT.

C90 Casing Tubing Dimensions

Pipe Casing Sizes, Oilfield Casing Sizes & Casing Drift Sizes
Outer Diameter (Casing Pipe Sizes) 4 1/2"-20", (114.3-508mm)
Standard Casing Sizes 4 1/2"-20", (114.3-508mm)
Thread Type Buttress thread casing, Long round thread casing, Short round thread casing
Function It can protect the tubing pipe.

Oil Tube For Petroleum And Natural Gas Industries

Name of Pipes

Specification Steel Grade Standard
D (S) (L)
(mm) (mm) (m)
Petroleum Casing Pipe 127-508 5.21-16.66 6-12 J55. M55. K55.
L80. N80. P110.		 API Spec 5CT (8)
Petroleum Tubing 26.7-114.3 2.87-16.00 6-12 J55. M55. K55.
L80. N80. P110.		 API Spec 5CT (8)
Coupling 127-533.4 12.5-15 6-12 J55. M55. K55.
L80. N80. P110.		 API Spec 5CT (8)

API 5CT Gr. C90 Tubing Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min - - 0.250 - - - - - - - - -
Max 0.350 1.200 0.850 1.500 0.990 - - 0.020 0.010 - - -

API 5CT C90 Casing Tubing Features

  • API 5CT C90 Casing Tubing is offered with a free length range from 8m to 13m on basis of the SY/T6194-96 norm. However, it is also available no less than 6m length and its quantity should be no more than 20%.
  • The surface of thread of coupling and API 5CT C90 Casing Tubing should be smooth without any tear, burr or other defects that may have a negative impact on the strength and close connection.
  • Any deformation such as hairline, separation, crease, crack or scab is not acceptable on both inner and outer surfaces of the product. All these defects should be completely removed and the removed depth must not exceed 12.5% of nominal wall thickness.
  • Deformations which mentioned above are not allowed to appear on the outer surface of API 5CT C90 Casing Tubing coupling.

Grade C90 Oil Well Drilling Tube in different shapes and sizes available.

API 5CT C90 Mechanical Properties

Tensile Strength 689 MPa min 100,000 psi min
Yield Strength 621 MPa min 724 MPa max
90,000 psi min 105,000 psi max
Total Elongation Under Load 0.500 % -
Hardness 25 Max HRC 255 Max HBW

API 5CT C90 Casiing Tubing Specification

Available Sizes 2 3/8″, 2 7/8″ and 3 ½” Outer Diameter
Tubing 1 1/4 “ – 2 1/16” Nom.
End Finishing External Upset Ends (EUE), PH6 (and equivalent connections), Flush Joint, Integral Joint (IJ)
Grades J55, J55-FBNAU, N80, L80, P110
Standards API SPEC 5CT
Length Range R1(6.10-7.32m), R2(8.53-9.75m), R3(11.58-12.8m)
Model in Common Use 2-3/8", 2-7/8", 3-1/2", 4", 4-1/2"
Steel Grade (Casing Grades, Tubing Grades) J55, K55, N80-1, N80-Q, L80, P110
Specialties
  • External upset
  • Hydrostatic Testing
  • Drifting (Full-length, or just ends)
  • Full third-party inspection capabilities (EMI, SEA, and Weld Line)
  • Couplings – EUE, AB Modified, turned down, special clearance couplings
  • Threading
  • Pup Joints
  • Coating to customer specifications
  • Heat treating
End Finishing External Upset Ends (EUE), Flush Joint, PH6 (and equivalent connections), Integral Joint (IJ)

Best High-quality API 5CT Gr. C90-1 Oil Tubing supplierss & dealer of Api c90 Seamless 5ct Petroleum Casing Pipe.

API 5CT Grade C90 Casing Tubing Steel Color Code

Name J55 K55 N80-1 N80-Q L80-1 P110
Casing a bright green band two bright green bands a bright red band a bright red band + a green band a red band + a brown band a bright white band
Coupling entire green coupling + a white band entire green coupling entire red coupling entire red coupling + a green band entire red coupling + a brown band entire white coupling

ISO/API casing/ API 5CT C90 Casing Tubing specifications

Codea Outer Dia Nominal weight
(with thread and
coupling) b,c		 Wall Thickness End processing type
mm kg/m mm H40 J55 M65 L80 N801 C90d P110 Q125d
In Lb/ft K55 C95 N80Q T95d
1 2 3 4 5 6 7 8 9 10 11 12 13
4-1-2 9.5 114.3 14.14 5.21 S S S - - - - -
4-1-2 10.5 114.3 15.63 5.69 - SB SB - - - - -
4-1-2 11.6 114.3 17.26 6.35 - SLB LB - LB - - -
4-1-2 13.5 114.3 20.09 7.37 - - LB - - LB - -
4-1-2 15.1 114.3 22.47 8.56 - - - - - - LB LB
5 11.5 127 17.11 5.59 - S S - - - - -
5 13 127 19.35 6.43 - SLB SLB - - - - -
5 15 127 22.32 7.52 - SLB LB - LB - LB -
5 18 127 26.79 9.19 - - LB - - LB LB -
5 21.4 127 31.85 11.1 - - LB - LB - - LB
5 23.2 127 34.53 12.14 - - - LB - LB - LB
5 24.1 127 35.86 12.7 - - - - LB LB - -
5-1-2 14 139.7 20.83 6.2 S S S - - - - -
5-1-2 15.5 139.7 23.07 6.98 - SLB SLB - - - - -
5-1-2 17 139.7 25.3 7.72 - SLB - - LB LB - -
5-1-2 20 139.7 29.76 9.17 - - LB - LB - LB -
5-1-2 23 139.7 34.23 10.54 - - - LB LB LB - -
6-5-8 20 168.28 29.76 7.32 S SLB SLB - - - - -
6-5-8 24 168.28 35.72 8.94 - SLB LB - - LB - -
6-5-8 28 168.28 41.67 10.59 - - LB - LB LB - -
6-5-8 32 168.28 47.62 12.06 - - - - LB - - LB
7 17 177.8 25.3 5.87 S - - - - - - -
7 20 177.8 29.76 6.91 S S S - - - - -
7 23 177.8 34.23 8.05 - SLB LB - LB - - -
7 26 177.8 38.69 9.19 - SLB LB - LB - - -
7 29 177.8 43.16 10.36 - - - LB LB LB - -
7 32 177.8 47.62 11.51 - - LB LB - - LB -
7 35 177.8 52.09 12.65 - - - LB - LB LB -
7-5-8 24 193.68 35.72 7.62 S - - - - - - -
7-5-8 26.4 193.68 39.29 8.33 - SLB SLB - LB LB LB -
7-5-8 29.7 193.68 44.2 9.52 - - LB LB - - LB -
7-5-8 33.7 193.68 50.15 10.92 - - LB - LB LB - -
7-5-8 39 193.68 58.04 12.7 - - - - LB - LB LB
7-5-8 42.8 193.68 63.69 14.27 - - - LB - LB LB -
7-5-8 45.3 193.68 67.41 15.11 - - - LB - LB - -
7-5-8 47.1 193.68 70.09 15.88 - - - - LB - - LB
8-5-8 24 219.08 35.72 6.71 - S S - - - - -
8-5-8 28 219.08 41.67 7.72 S - S - - - - -
8-5-8 32 219.08 47.62 8.94 S SLB SLB - - - - -
8-5-8 36 219.08 53.57 10.16 - SLB SLB LB - - LB -
8-5-8 40 219.08 59.53 11.43 - - LB - LB - - -
8-5-8 44 219.08 65.48 12.7 - - - LB - - LB 　
8-5-8 49 219.08 72.92 14.15 - - - - LB - - LB

Codea Outer diameter Nominal weight
(with thread
and coupling) b,c		 Wall thickness End processing type
mm kg/m mm H40 J55 M65 L80 N80 C90d P110 Q125d
In Lb/ft K55 C95 1, Q T95d
1 2 3 4 5 6 7 8 9 10 11 12 13
9-5-8 32.3 244.48 48.07 7.92 S - - - - - - -
9-5-8 36 244.48 53.57 8.94 S SLB SLB - - - - -
9-5-8 40 244.48 59.53 10.03 - SLB SLB LB LB LB - -
9-5-8 43.5 244.48 64.73 11.05 - - LB LB LB LB LB -
9-5-8 47 244.48 69.94 11.99 - - LB LB LB LB LB LB
9-5-8 53.5 244.48 79.62 13.84 - - - LB LB LB LB LB
9-5-8 58.4 244.48 86.91 15.11 - - - LB LB LB LB LB
10-3-4 32.75 273.05 48.74 7.09 S - - - - - - -
10-3-4 40.5 273.05 60.27 8.89 S SB SB - - - - -
10-3-4 45.5 273.05 67.71 10.16 - SB SB - - - - -
10-3-4 51 273.05 75.9 11.43 - SB SB SB SB SB SB -
10-3-4 55.5 273.05 82.59 12.57 - - SB SB SB SB SB -
10-3-4 60.7 273.05 90.33 13.84 - - - - - SB SB SB
10-3-4 65.7 273.05 97.77 15.11 - - - - - SB SB SB
11-3-4 42 298.45 62.5 8.46 S - - - - - - -
11-3-4 47 298.45 69.94 9.53 - SB SB - - - - -
11-3-4 54 298.45 80.36 11.05 - SB SB - - - - -
11-3-4 60 298.45 89.29 12.42 - SB SB SB SB SB SB SB
13-3-8 48 339.72 71.43 8.38 S - - - - - - -
13-3-8 54.5 339.72 81.1 9.65 - SB SB - - - - -
13-3-8 61 339.72 90.78 10.92 - SB SB - - - - -
13-3-8 68 339.72 101.19 12.19 - SB SB SB SB SB SB -
13-3-8 72 339.72 107.15 13.06 - - - SB SB SB SB SB
16 65 406.4 96.73 9.53 S - - - - - - -
16 75 406.4 111.61 11.13 - SB SB - - - - -
16 84 406.4 125.01 12.57 - SB SB - - - - -
18-5-8 87.5 473.08 130.21 11.05 S SB SB - - - - -
20 94 508 139.89 11.13 SL SLB SLB - - - - -
20 106.5 508 158.49 12.7 - SLB SLB - - - - -
20 133 508 197.93 16.13 - SLB - - - - - -
S-Short round thread, L-Long round thread, B-Buttress thread
a. Code is used for ordering reference.
b. The nominal weight of threaded and coupled casing (column 2) is shown for reference only.
c. Martensitic chromium steel (L80 9Cr and 13Cr) differs from carbon steel in density. The shown weight of martensitic chromium steel is not an exact value. The mass correction factor 0.989 can be used.
d. C90, T95 and Q125 steel grade casing should be supplied according to specification, weight and wall thickness listed in the above table or order.

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