• Api 5ct 5 1/2 inch grade n80-1 oil well seamless steel casing pipe

As a professional oil well casing supplier, IMRI produces various types of casing, such as anti-corrosion casing, anti-high temperature thermal recovery well casing, ultra-deep well casing and special gastight casing with its first-class steel pipe heat treatment ability. 4 1/2”-20”(114.3mm-508mm) steel casing pipes with the steel grades of J55,K55,N80,L80,C90,P110 are all available.

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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