Products

Casing Steel Pipe

Product categories:Seamless Steel Pipe
Product display:API 5CT Casing Pipe,Seamless Steel Tube,seamless casing pipe
Product description:API 5CT Oil Tube, Casing Pipe, Seamless Casing Pipe, Water Well Casing Pipe, Seamless Steel Tube

Product details

1.jpg  2.jpg  3.jpg

 



Product Description  

API 5CT Oil Tube, Casing, Oil Well Pipe, Seamless Steel Tube, Structural Seamless Steel Tube

 

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

 

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

 

Size Range

Dimensional Deviation
ItemAllowable 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

 

Length Range

Length
Item Range 1Range 2Range 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

 

Description:

Oil Tube

 

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 -

 

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

 

Description: Oil Casing

 

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 - - - - - - - -


Copyright © 2016 EZ STEEL INDUSTRIAL CO.,LTD All Rights Reserved
Tel:+86-731-8535-8825  Fax:+86 731-8535-8865  Email:sales@ezsteelpipe.com
Address:No. 66, Zhongyi Road, Yuhua Industrial Zone, Changsha City, P.R China

PRIVACY POLICY