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API 5CT Casing Pipe

Product categories:Seamless Steel Tube
Product display:API 5CT Casing Pipe,Seamless Steel Tube,API 5CT Oil/Casing Pipe
Product description:API 5CT Casing Pipe product categories is seamless Steel Tube. The product display:API 5CT Oil / Casing Pipe. And product description are API 5CT Oil Tube, Casing, Oil Well Pipe, Seamless Steel Tube, Structural Seamless Steel Tube.

Product details

    

 

1. Product Description: API 5CT Oil Tube, Casing, Oil Well Pipe, Seamless Steel Tube, Structural Seamless Steel Tube

 

2. Mechanical Property

Standard Steel Grade Tensile Strength(MPa) Yield Strength(MPa) Elongation(%) Hardness
API SPEC 5CT J55 ≥517 379~552

Refer to the table

 
K55 ≥517 ≥655  
N80 ≥689 552~758  
L80(13Cr) ≥655 552~655 ≤241HB
P110 ≥862 758~965  

 

3 Chemical Component

Standard

Steel Grade

Chemical Component(%)
C Si Mn P S Cr Ni Cu Mo V Als
API SPEC 5CT J55K55 (37Mn5) 0.34~0.39 0.20~0.35 1.25~1.50 ≤0.020 ≤0.015 ≤0.15 ≤0.20 ≤0.20 / / ≤0.020
N80 (36 Mn2V) 0.34~0.38 0.20~0.35 1.45~1.70 ≤0.020 ≤0.015 ≤0.15 / / / 0.11~0.16 ≤0.020
L80(13Cr) 0.15~0.22 ≤1.00 0.25~1.00 ≤0.020 ≤0.010 12.0~14.0 ≤0.20 ≤0.20 / / ≤0.020
P110 (30CrMo) 0.26~0.35 0.17~0.37 0.40~0.70 ≤0.020 ≤0.010 0.80~1.10 ≤0.20 ≤0.20 0.15~0.25 ≤0.08 ≤0.020

 

4. Outside Diameter, Wall Thickness, Weight Deviation

Dimensional Deviation
Item Allowable Deviation
Outside Diameter

Tube Body

D≤101.60mm±0.79mm
D≥114.30mm +1.0%
-0.5%

 

 

Wall Thickness -12.5%
Weight Single Tube +6.5%
+3.5%
Capacity of Carriage -1.75

 

5. Length Range

Length
Item Range 1 Range 2 Range 3
Oil Tube 6.10-7.32m 8.53-9.75m -

Casing Tube

4.88-7.62m 7.62-10.36m 10.36-14.63m

 

6. Description: Oil Tube

 

7. Standard: API SPEC 5CT、API SPEC 5B、ISO 11960

    Purpose: used in oil well to extract oil or gas.

 

Specification of Oil Tube:

Size Code Weight Code Outside Diameter Wall Thickness End Processing Type
Steel Grade
Non-upset Upset in mm in mm J55 L80-1 N80 C90 T95 P110
1.900" 2.40 - 1.900 48.26 0.125 3.18 PI - - - - -
2.75 2.90 1.900 48.26 0.145 3.68 PNUI PNUI PNUI PNUI PNUI -
3.65 - 1.900 48.26 0.200 5.08 PU PU PU PU PU PU
2 3/8" 4.00 - 2.375 60.32 0.167 4.24 PN PN PN PN PN -
4.00 4.70 2.375 60.32 0.190 4.83 PNU PNU PNU PNU PNU -
5.80 5.95 2.375 60.32 0.254 6.45 - PNU PNU PNU PNU PNU
6.60 - 2.375 60.32 0.259 7.49 - P - P P PNU
7.35 7.45 2.375 60.32 0.336 8.53 - PU - PU PU -
2 7/8" 6.40 6.50 2.875 73.02 0.217 5.51 PNU PNU PNU PNU PNU -
7.80 7.90 2.875 73.02 0.276 7.01 - PNU PNU PNU PNU PNU
8.60 8.70 2.875 73.02 0.308 7.82 - PNU PNU PNU PNU PNU
9.35 9.45 2.875 73.02 0.340 8.64 - PU - PU PU PNU
10.50 - 2.875 73.02 0.392 9.96 - P - P P -
11.50 - 2.875 73.02 0.440 11.18 - P - P P -
3 1/2" 7.70 - 3.500 88.90 0.216 5.49 PN PN PN PN PN -
9.20 9.30 3.500 88.90 0.254 6.54 PNU PNU PNU PNU PNU -
10.20 - 3.500 88.90 0.289 7.34 PN PN PN PN PN PNU
12.70 12.95 3.500 88.90 0.375 9.52 - PNU PNU PNU PNU -
14.30 - 3.500 88.90 0.430 10.92 - P - P P PNU
15.50 - 3.500 88.90 0.476 12.00 - P - P P -
17.00 - 3.500 88.90 0.530 13.46 - P - P P -
4" 9.50 - 4.000 101.60 0.226 5.74 PN PN PN PN PN -
10.70 11.00 4.000 101.60 0.262 6.65 PU PU PU PU PU -
4 1/2" 12.60 12.75 4.500 114.30 0.271 6.88 PNU PNU PNU PNU PNU -
15.20 - 4.500 114.30 0.337 8.56 - P - P P -
17.00 - 4.500 114.30 0.380 9.65 - P - P P -
18.90 - 4.500 114.30 0.430 10.92 - P - P P -
21.50 - 4.500 114.30 0.500 12.70 - P - P P -
23.70 - 4.500 114.30 0.560 14.22   P   P P -
26.10 - 4.500 114.30 0.630 16.00 - P - P P -

 

8. Note: P—flat end; N—non-upset; U—upset; T&C--threading with collar; I-- integral connector

 

9. Description: Oil Casing

 

10.Standard: API SPEC 5CT、API SPEC 5B、ISO 11960

 

Specification of Casing Pipe

Size Code Weight Code Outside Diameter Wall Thickness End Processing Form
Steel Grade
in mm in mm J55 K55 L80-1 N80 C90 C95 T95 P110 M65
4 1/2" 9.50 4.500 114.30 0.205 5.21 PS - - - - - - -
10.50 4.500 114.30 0.224 5.69 PSB - - - - - - -
11.60 4.500 114.30 0.250 6.35 PSLB PLB PLB PLB PLB PLB PLB PLB
13.50 4.500 114.30 0.290 7.37 - PLB PLB PLB PLB PLB PLB PLB
15.10 4.500 114.30 0.337 8.56 - - - - - - PLB -
5" 11.50 5.000 127.00 0.220 5.59 PS - - - - - - -
13.00 5.000 127.00 0.253 7.52 PSLB - - - - - - -
15.00 5.000 127.00 0.296 9.19 PSLB PLB PLB PLB PLB PLB PLB PLB
18.00 5.000 127.00 0.362 9.19 - PLB PLB PLB PLB PLB PLB PLB
21.40 5.000 127.00 0.437 11.10 - PLB PLB PLB PLB PLB PLB PLB
23.20 5.000 127.00 0.478 12.14 - PLB PLB PLB PLB PLB PLB PLB
7 5/8" 26.40 7.625 193.68 0.328 8.33 PSLB PLB PLB PLB PLB PLB PLB -
29.70 7.625 193.68 0.375 9.52 - PLB PLB PLB PLB PLB PLB PLB
33.70 7.625 193.68 0.430 10.92 - PLB PLB PLB PLB PLB PLB PLB
39.00 7.625 193.68 0.500 12.70 - PLB PLB PLB PLB PLB PLB PLB
42.80 7.625 193.68 0.562 14.27 - PLB PLB PLB PLB PLB PLB PLB
45.30 7.625 193.68 0.595 15.11 - PLB PLB PLB PLB PLB PLB PLB
47.10 7.625 193.68 0.625 15.88 - PLB PLB PLB PLB PLB PLB PLB
8 5/8" 24.00 8.625 219.08 0.264 6.71 PS - - - , - - - -
28.00 8.625 219.08 0.304 7.72 - - - - - - - -
32.00 8.625 219.08 0.352 8.94 PSLB - - - - - - -
36.00 8.625 219.08 0.400 10.16 PSLB PLB PLB PLB PLB PLB PLB -
40.00 8.625 219.08 0.450 11.43 - PLB PLB PLB PLB PLB PLB PLB
44.00 8.625 219.08 0.500 12.70 - PLB PLB PLB PLB PLB PLB PLB
49.00 8.625 219.08 0.557 14.15 - PLB PLB PLB PLB PLB PLB PLB
9 5/8” 32.30 9.625 244.48 0.312 7.92 - - - - - - - -
36.00 9.625 244.48 0.352 8.94 PSLB - - - - - - PSLB
40.00 9.625 244.48 0.395 10.03 PSLB PLB PLB PLB PLB PLB - PSLB
43.50 9.625 244.48 0.435 11.05 - PLB PLB PLB PLB PLB PLB -
47.00 9.625 244.48 0.472 11.99 - PLB PLB PLB PLB PLB PLB -
53.50 9.625 244.48 0.545 13.84 - PLB PLB PLB PLB PLB PLB -
58.40 9.625 244.48 0.595 15.11 - PLB PLB PLB PLB PLB PLB -
59.40 9.625 244.48 0.609 15.47 - - - P - P - -
64.90 9.625 244.48 0.672 17.07 - - - P - P - -
70.30 9.625 244.48 0.734 18.64 -   - P - P - -
75.60 9.625 244.48 0.797 20.24 - - - P - P - -
10 3/4” 32.75 10.750 273.05 0.279 7.09 - - - - - - - -
40.50 10.750 273.05 0.350 8.89 PSB - - - - - - PSB
45.50 10.750 273.05 0.400 10.16 PSB - - - - - - PSB
51.00 10.750 273.05 0.450 11.43 PSB PSB PSB PSB PSB PSB PSB PSB
55.50 10.750 273.05 0.495 12.57 - PSB PSB PSB PSB PSB PSB PSB
60.70 10.750 273.05 0.545 13.34 - - - PSB - PSB PSB -
65.70 10.750 273.05 0.595 15.11 - - - PSB - PSB PSB -
73.20 10.750 273.05 0.672 17.07 - -   P - P - -
79.20 10.750 273.05 0.734 18.64 - - - P - P - -
85.30 10.750 273.05 0.797 20.24 - - - P - P - -
11 3/4” 42.00 11.750 298.45 0.333 8.46 - - - - - - - -
47.00 11.750 298.45 0.375 9.53 PSB - - - - - - PSB
54.00 11.750 298.45 0.435 11.05 PSB - - - - - - PSB
60.00 11.750 298.45 0.489 12.42 PSB PSB PSB PSB PSB PSB PSB PSB
65.00 11.750 298.45 0.534 13.56 - P P P P P P -
71.0 11.750 298.45 0.582 14.78 - P P P P P P -
13 3/8” 48.00 13.375 339.72 0.330 8.38 - - - - - - - -
54.50 13.375 339.72 0.380 9.65 PSB - - - - - - PSB
61.00 13.375 339.72 0.430 10.92 PSB - - - - - - PSB
68.00 13.375 339.72 0.480 12.19 PSB PSB PSB PSB PSB PSB PSB PSB
72.00 13.375 339.72 0.514 13.06 - PSB PSB PSB

PSB

PSB PSB -
16 65.00 - 406.40 - 9.53 - - - - - - - -
16 75.00 - 406.40 - 11.13 - - - - - - - -
16 84.00 - 406.40 - 12.57 - - - - - - - -
16 109.00 - 406.40 - 16.66 - - - - - - - -
18 5/8” 87.20 - 473.08 - 11.05 - - - - - - - -
20 94.00 - 508.00 - 11.13 - - - - - - - -
20 106.50 - 508.00 - 12.70 - - - - - - - -
20 133.00 - 508.00 - 16.13 - - - - - - - -

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