• API 5CT J55 OCTG 9 58 Inch 36PPF Seamless Steel Oil Casing Pipes with LTC Thread

API 5CT is the technical specification for OCTG pipes. Our company is the top5 manufacturer and supplier of OCTG casing pipes who has obtained the API 5CT certificate in China. We can produce casing pipe with different threads such as BTC, LTC and STC. Welcome to contact us if you have any project , I will serve you the best products and  service.

Specification

Standard API 5CT latest edition
Steel Grade/Material H40/J55/K55/L80/N80-1/N80Q/L80-13Cr/R95/C90/T95/C110/P110/Q125
Outer Diameter(OD) 4 1/2”-20”(114.3mm-508mm)
Wall Thickness(WT) 9.5LB/ft-133LB/ft(5.21mm-16.13mm)
Length R1/R2/R3
Packing Thread protector,black paint and bundling
Type of thread STC/LTC/BTC/OEM
Section Shape Round
Technique Seamless hot rolled
Application Oil and Gas field
Place of Origin China
MOQ 1 ton
Transportation 1.Sea port:Tianjin Xingang port,Qingdao port,Shanghai Luojing port
→America,Europe,Africa,Middle East,India, Pakistan,Japan,Korea,
Australia…(shipping)

2.Land port:Alataw pass port(Пограничный пункт “Алашанькоу”)
Khorgos port(Пограничный пункт “Хоргос”)
→East Asia, Uzbekistan,Kazakhstan,Kyrgyzstan…(Train)
Erlianhot port→Mongolia(Train and Truck)
Manchuria port→Russia(Train and Truck)

Casing details
OD WT Type of thread
Inch Lb/Ft mm kg/m mm H40 J55 K55 L80     L80-13Cr R95 N80 -1  N80Q C90   T95 C110 P110 Q125
4 1/2 9.5 114.3 14.38 5.21 PS PS
4 1/2 10.5 114.3 15.73 5.69 PSB
4 1/2 11.6 114.3 17.38 6.35 PSLB PLB PLB PLB P PLB
4 1/2 13.5 114.3 19.87 7.37 PLB PLB PLB P PLB
4 1/2 15.1 114.3 22.69 8.56 PLB PLB
5 11.5 127 17.19 5.59 PS
5 13 127 19.69 6.43 PSLB
5 15 127 22.69 7.52 PSLB PLB PLB PLB P PLB PLB
5 18 127 27.19 9.19 PLB PLB PLB P PLB PLB
5 21.4 127 32.13 11.1 PLB PLB PLB P PLB PLB
5 23.2 127 34.76 12.14 PLB PLB PLB P PLB PLB
5 24.1 127 36.15 12.7 PLB PLB PLB P PLB PLB
5 1/2 14 139.7 20.91 6.2 PS PS
5 1/2 15.5 139.7 23.48 6.98 PSLB
5 1/2 17 139.7 25.72 7.72 PSLB PLB PLB PLB P PLB
5 1/2 20 139.7 30.05 9.17 PLB PLB PLB P PLB
5 1/2 23 139.7 34.05 10.54 PLB PLB PLB P PLB PLB
5 1/2 26.8 139.7 40.15 12.7 P P
5 1/2 29.7 139.7 44.47 14.27 P P
5 1/2 32.6 139.7 48.74 15.88 P P
5 1/2 35.3 139.7 52.8 17.45 P P
5 1/2 38 139.7 56.82 19.05 P P
5 1/2 40.5 139.7 60.64 20.62 P P
5 1/2 43.1 139.7 64.41 22.22 P P
6 5/8 20 168.28 29.76 7.32 PS PSLB
6 5/8 24 168.28 35.72 8.94 PSLB PSLB PSLB PSLB P PSLB
6 5/8 28 168.28 41.67 10.59 PSLB PSLB PSLB P PSLB
6 5/8 32 168.28 47.62 12.06 PSLB PSLB PSLB P PSLB PLB
7 17 177.8 25.6 5.87 PS
7 20 177.8 29.91 6.91 PS PS
7 23 177.8 34.67 8.05 PSLB PLB PLB PLB P
7 26 177.8 39.14 9.19 PSLB PLB PLB PLB P PLB
7 29 177.8 43.6 10.36 PLB PLB PLB P PLB
7 32 177.8 47.92 11.51 PLB PLB PLB P PLB
7 35 177.8 52.09 12.65 PLB PLB PLB P PLB PLB
7 38 177.8 56.1 13.72 PLB PLB PLB P PLB PLB
7 42.7 177.8 63.84 15.88 P P
7 46.4 177.8 69.35 17.45 P P
7 50.1 177.8 74.85 19.05 P P
7 53.6 177.8 80.21 20.62 P P
7 57.1 177.8 85.42 22.22 P P
7 5/8 24 193.68 35.72 7.62 PS
7 5/8 26.4 193.68 39.29 8.33 PSLB PLB PLB PLB P
7 5/8 29.7 193.68 44.2 9.52 PLB PLB PLB P PLB
7 5/8 33.7 193.68 50.15 10.92 PLB PLB PLB P PLB
7 5/8 39 193.68 58.04 12.7 PLB PLB PLB P PLB PLB
7 5/8 42.8 193.68 63.69 14.27 PLB PLB PLB P PLB PLB
7 5/8 45.3 193.68 67.41 15.11 PLB PLB PLB P PLB PLB
7 5/8 47.1 193.68 70.09 15.88 PLB PLB PLB P PLB PLB
7 5/8 51.2 193.68 76.19 17.45 P P
7 5/8 55.3 193.68 82.3 19.05 P P
7 3/4 46.1 196.85 68.6 15.11 P P P P P P
8 5/8 24 219.08 35.72 6.71 PS
8 5/8 28 219.08 41.67 7.72 PS
8 5/8 32 219.08 47.62 8.94 PS PSLB
8 5/8 36 219.08 53.57 10.16 PSLB PLB PLB PLB P
8 5/8 40 219.08 59.53 11.43 PLB PLB PLB P PLB
8 5/8 44 219.08 65.48 12.7 PLB PLB PLB P PLB
8 5/8 49 219.08 72.92 14.15 PLB PLB PLB P PLB PLB
9 5/8 32 244.48 48.07 7.92 PS
9 5/8 36 244.48 53.57 8.94 PS PSLB
9 5/8 40 244.48 59.53 10.03 PSLB PLB PLB PLB P
9 5/8 43.5 244.48 64.73 11.05 PLB PLB PLB P PLB
9 5/8 47 244.48 69.94 11.99 PLB PLB PLB P PLB PLB
9 5/8 53.5 244.48 79.62 13.84 PLB PLB PLB P PLB PLB
9 5/8 58.4 244.48 86.91 15.11 PLB PLB PLB P PLB PLB
9 5/8 59.4 244.48 88.4 15.47 P P
9 5/8 64.9 244.48 96.58 17.07 P P
9 5/8 70.3 244.48 104.62 18.64 P P
9 5/8 75.6 244.48 112.5 20.24 P P
10 3/4 32.75 273.05 48.74 7.09 PS
10 3/4 40.5 273.05 60.27 8.89 PS PSB
10 3/4 45.5 273.05 67.71 10.16 PSB
10 3/4 51 273.05 75.9 11.43 PSB PSB PSB PSB P PSB
10 3/4 55.5 273.05 82.59 12.57 PSB PSB PSB P PSB
10 3/4 60.7 273.05 90.33 13.84 PSB P PSB PSB
10 3/4 65.7 273.05 97.77 15.11 PSB P PSB PSB
10 3/4 73.2 273.05 108.93 17.07 P P
10 3/4 79.2 273.05 117.86 18.64 P P
10 3/4 85.3 273.05 126.94 20.24 P P
11 3/4 42 298.45 62.5 8.46 PS
11 3/4 47 298.45 69.94 9.53 PSB
11 3/4 54 298.45 80.36 11.05 PSB
11 3/4 60 298.45 89.29 12.42 PSB PSB PSB PSB P PSB PSB
11 3/4 65 298.45 96.73 13.56 P P P P P P
11 3/4 71 298.45 105.66 14.78 P P P P P P
13 3/8 48 339.72 71.43 8.38 PS
13 3/8 54.5 339.72 81.1 9.65 PSB
13 3/8 61 339.72 90.78 10.92 PSB
13 3/8 68 339.72 101.19 12.19 PSB PSB PSB PSB P PSB
13 3/8 72 339.72 107.15 13.06 PSB PSB PSB P PSB PSB
16 65 406.4 96.73 9.53 PS
16 75 406.4 111.61 11.13 PSB
16 84 406.4 125.01 12.57 PSB
16 109 406.4 162.21 16.66 P P P P P
18 5/8 87.5 473.08 130.21 11.05 PS PSB
20 94 508 139.89 11.13 PSL PSLB
20 106.5 508 158.49 12.7 PSLB
20 133 508 197.93 16.13 PSLB
Note:P=plain ends(PE);  S=short round thread(STC);L=Long round thread(LTC);  B=Buttress thread(BTC)
Chemical Composition(%)
Grade C Mn Mo Cr Ni Cu P S Si
H40 0.03 0.03
J55/K55 0.03 0.03
N80-1/N80Q 0.03 0.03
R95 0.45 1.9 0.03 0.03
L80 0.43 1.9 0.03 0.03
L80-1 0.15 0.30~0.60 0.90~1.10 8.00~10.0 0.03 0.03 0.45
L80-13Cr 0.15~0.22 0.25~1.00 12.0~14.0 0.25 0.35 0.03 0.03 0.45
C90 0.35 1.20 0.25~0.85 1.50 0.5 0.25 0.02 0.01 1
T95 0.35 1.20 0.25~0.85 0.40~1.50 0.5 0.25 0.02 0.01 1
C110 0.35 1.20 0.25~1.00 0.40~0.15 0.99 0.02 0.01
P110 0.99 0.02 0.01
Q125 0.35 1.35 0.85 1.50 0.99 0.02 0.005

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