API SPEC 5CT Seamless Steel Casing 

Min.Order Quantity: 1 Ton

Supply Ability: 4800 Tons / Month

Port: Tianjin port

Certification: SGS、BV、API、CCIC,CE、ISO

Delivery Detail: 10-20 days

Payment Terms: FOB, T/T, L/C,Deferred Payment L/C

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API SPEC 5CT Seamless Steel pipe It is widely used for oil casing and tubing in oil wells

Specification:

O.D.114.30-508mm, W.T. 5.21- 16.13mm.

Standard: API 5CT

Grade: J55, K55, N80, P110, L80, C90, T95

Dimension Tolerance:

Types of steel tubes Outer Diameter Wall Thickness
Cold-rolled tubes Tube sizes(mm) Tolerances(mm) Tolerances(mm)
<114.3 ±0.79 -12.5%
≥114.3 -0.5%,+1%

Mechanical Properties:

Standard codes Models of steel tubes Tensite strength(MPa) Yield strength(MPa) Elongation(%) Hardness
API SPEC 5CT J55 ≥517 379~552 check the table
K55 ≥517 ≥655
N80 ≥689 552~758
L80(13Cr) ≥655 552~655 ≤241HB
P110 ≥862 758~965

Chemical Composition:

Standard codes Models of steel tubes Chemical compositions(%)
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

Tubing

Size Designation Weight Lb/ft Outside Diameter Wall Thickness Nominal Weight Type End Finish
Grade
Nonupset Ex-upset mm mm Nonupset Ex-upset J-55 L-80 N-80 C-90 T-95 P-110
T & C T & C T & C T & C
23/8” 4 60.32 4.24 5.95 PN PN PN PN PN
4.6 4.7 60.32 4.83 6.85 6.99 PNU PNU PNU PNU PNU PNU
5.8 5.95 60.32 6.45 8.63 8.85 PNU PNU PNU PNU PNU
6.6 60.32 7.49 9.82 P P P
7.35 7.45 60.32 8.53 10.94 11.09 PU PU PU
27/8” 6.4 6.5 73.02 5.51 9.52 9.67 PUN PNU PNU PNU PNU PNU
7.8 7.9 73.02 7.01 11.61 11.76 PNU PNU PNU PNU PNU
8.6 8.7 73.02 7.82 12.8 12.95 PNU PNU PNU PNU PNU
9.35 9.45 73.02 8.64 13.91 14.06 PU PU PU
10.5 73.02 9.96 15.63 P P P
11.5 73.02 11.18 17.11 P P P
31/2” 7.7 88.9 5.49 11.46 PN PN PN PN PN
9.2 9.3 88.9 6.45 13.69 13.84 PNU PNU PNU PNU PNU PNU
10.2 88.9 7.34 15.18 PN PN PN PN PN
12.7 12.95 88.9 9.52 18.9 19.27 PNU PNU PNU PNU PNU
14.3 88.9 10.92 21.28 P P P
15.5 88.9 12.09 23.07 P P P
17 88.9 13.46 25.3 P P P
4” 9.5 101.6 5.74 14.14 PN PN PN PN PN PN
10.7 11 101.6 6.65 16.37 PU PU PU PU PU PU
13.2 101.6 8.38 19.64 P P P
16.1 101.6 10.54 23.96 P P P
18.9 101.6 12.7 28.13 P P P
22.2 101.6 15.49 33.04 P P P
41/2” 12.6 12.75 114.3 6.88 18.75 18.97 PUN PNU PNU PNU PNU PNU
15.2 114.3 8.56 22.62 P P P
17 114.3 9.65 25.3 P P P
18.9 114.3 10.92 28.13 P P P
21.5 114.3 12.7 32 P P P
23.7 114.3 14.22 35.27 P P P
26.1 114.3 16 38.84 P P P
Note:P-plain end;N-nonupset thread and coupling;U-upset thread and coupling

Casing

Size Designation Weight Lb/ft Outside Diameter Wall Thickness Type End Finish
Grade
ln. mm ln. mm H-40 J-55 K-55 M-65 L-80C-95 N-80 C-90T-95 P-110 Q-125
7 5/8” 24.00 7.625 193.68 0.300 7.62 PS
26.40 7.625 193.68 0.328 8.33 PSLB PSLB PLB PLB PLB PLB
29.70 7.625 193.68 0.375 9.53 PLB PLB PLB PLB PLB
33.70 7.625 193.68 0.430 10.92 PLB PLB PLB PLB PLB
39.00 7.625 193.68 0.500 12.70 PLB PLB PLB PLB PLB
42.80 7.625 193.68 0.562 14.27 PLB PLB PLB PLB PLB
45.30 7.625 193.68 0.595 15.11 PLB PLB PLB PLB PLB
47.10 7.625 193.68 0.625 15.88 PLB PLB PLB PLB PLB
51.20 7.625 193.68 0.687 17.45 P
55.30 7.75 193.68 196.85 19.05 P
7 3/4” 46.10 8.625 219.08 0.595 15.11 P P P P P
8 5/8” 24.00 8.625 219.08 0.264 6.71 PS PS
28.00 8.625 219.08 0.304 7.72 PS PS
32.00 8.625 219.08 0.352 8.94 PS PSLB PSLB
36.00 8.625 219.08 0.400 10.16 PSLB PSLB PLB PLB PLB PSLB
40.00 8.625 219.08 0.450 11.43 PLB PLB PLB PLB PLB
44.00 8.625 219.08 0.500 12.70 PLB PLB PLB PLB PLB
49.00 9.625 244.48 0.557 14.15 PLB PLB PLB PLB PLB
9 5/8” 32.30 9.625 244.48 0.312 7.92 PS
36.00 9.625 244.48 0.352 8.94 PS PSLB PSLB
40.00 9.625 244.48 0.395 10.03 PSLB PSLB PLB PLB PLB
43.50 9.625 244.48 0.435 11.05 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
58.40 9.625 244.48 0.595 15.11 PLB PLB PLB PLB PLB
59.40 9.625 244.48 0.609 15.47 P
64.90 9.625 244.48 0.672 17.07 P
70.30 9.625 244.48 0.734 18.64 P
75.60 9.625 244.48 0.797 20.24 P
P-plain end;S-short round thread;L-long round thread;B-buttress thread。

 

Size Designation Weight Lb/ft Outside Diameter Wall Thickness Type End Finish
Grade
ln. mm ln. mm H-40 J-55
K-55
M-65 L-80
C-95
N-80 C-90T-95 P-110 Q-125
10 3/4” 32.75 10.75 273.05 0.279 7.09 PS
40.50 10.75 273.05 0.350 8.89 PS PSB PSB
45.50 10.75 273.05 0.400 10.16 PSB PSB
51.00 10.75 273.05 0.450 11.43 PSB PSB PSB PSB PSB PSB
55.50 10.75 273.05 0.495 12.57 PSB PSB PSB PSB PSB
60.70 10.75 273.05 0.545 13.84 PSB PSB PSB
65.70 10.75 273.05 0.595 15.11 PSB PSB PSB
73.20 10.75 273.05 0.672 17.07 P
79.20 10.75 273.05 0.734 18.64 P
85.30 10.75 273.05 0.797 20.24 P
11 3/4” 42.00 11.75 298.45 0.333 8.46 PS
47.00 11.75 298.45 0.375 9.53 PSB PSB
54.00 11.75 298.45 0.435 11.05 PSB PSB
60.00 11.75 298.45 0.489 12.42 PSB PSB PSB PSB PSB PSB PSB
65.00 11.75 298.45 0.534 13.56 P P P P P
71.00 11.75 298.45 0.582 14.78 P P P P P
13 3/8” 48.00 13.375 339.73 0.330 8.38 PS
54.50 13.375 339.73 0.380 9.65 PSB PSB
61.00 13.375 339.73 0.430 10.92 PSB PSB
68.00 13.375 339.73 0.480 12.19 PSB PSB PSB PSB PSB PSB
72.00 13.375 339.73 0.514 13.06 PSB PSB PSB PSB PSB
P-plain end;S-short round thread;L-long round thread;B-buttress thread。

Our Advantages:

1)      Fast Delivery: around 10days below 50Metric Tons after sight of Irrevocable L/C or   Deferred Payment L/C

Our company accept payment after material  at your warehouse.

2)      Quality Assured: Strictly acc. To International standard API & ASTM & BS & EN & JIS, with System ISO certification

3)      Good Service: supplied professional technical guide free of charge at anytime;

4)      Reasonable Price: to be better support your business;

Global Business

1. More than 10 years of sales experience

2. Product exported more than 150 countries

3. Arrange to produce according yo customer's request

Fast Delivery

1. AA level customs broker,Faster through

2. 20 years of experience in the freight forwarding company

3. Delivery Detail: 10-20 days

Trusted Quality

1. Certificate: API, CE, ISO9001.2000.MTC etc

2. Inspection: BV,SGS,others is avaliable.

3. A complete testing system and testing equipments

One-Step Service

1. Free sample can be provided

2. Small order is acceptable

3. OEM is acceptable

4. Any third party testing is acceptable

 

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  • Phone0086-317-2159105

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