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API 5CT Oil seamless casing pipes with STC thread coupling
Product Description: Oil pipeline, pipe materials collar, Oil natural gas, water ,oil transportation.
Low/middle-pressure boiler, Overheating tube, boiling water pipe, pipe to tobacco size locomotive. Meanwhile ,our company can offer a whole set of service, such as the related process, the solution of the related technology and so on. If you are interested in our product, please contact us, and for more information.
Casing is used to stabilize the well, in order to make sure that the whole well can work smoothly. We also can design and produce casing and tubing of stainless steel series for our clients.
API/ISO Casing and tubing material:J55,K55,H40,M65,N80,L80, P110,Q125 etc
API/ISO Casing and tubing size: 2 3/8inch – 20inch
Connection type of API/ISO tubing: EUE,NUE
Connection type of API/ISO casing: STC,LTC,BTC
Characteristics: With sophisticated manufacturing facility and advance technologies and perfect detection measures, we offer a wide variety of Petroleum casing pipe applied in many different industries such as mining & Mineral Processing, municipal water supply, refining & petrochemical and construction, etc.
Material:K55,J55, can be made according to the customers requirement.
Out diameter:3-20mm
Standard length:R1,R2,R3
And we can make products according to the clients real conditions.
If you are interested in our product, please contact us and for more information.
API 5CT Oil Seamless Casing Pipes Specification :
Sizes | OD 4-1/2”~20” |
Grade | H40, J55, K55, N80, M65, L80, C90, C95, T95, P110, Q125 |
Length | R1, R2, R3 |
Standard | API SPEC 5CT |
Application | Serves as walls of a well |
Packing | Bundle or bulk |
Outsider Diameter | Wall Thickness | Grade | Thread | Length (range) | ||
Inch | mm | kg/m | 1b/ft | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
4 1/2” | 114.3 | 14.14-22.47 | 9.50-15.10 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
5” | 127 | 17.11-35.86 | 11.50-24.10 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
5 1/2” | 139.7 | 20.83-64.14 | 14.00-43.10 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
6 5/8” | 168.28 | 29.76-47.62 | 20.00-32.00 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
7” | 177.8 | 25.30-84.98 | 17.00-57.10 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
7 5/8” | 193.68 | 35.72-82.30 | 24.00-55.30 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
8 5/8” | 219.08 | 35.72-72.92 | 24.00-49.00 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
9 5/8” | 244.48 | 48.07-112.51 | 32.30-75.60 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
10 3/4” | 273.05 | 48.74-126.94 | 32.75-85.30 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
11 3/4” | 298.45 | 6250-105.66 | 42.0-71.00 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
13 3/8” | 339.73 | 71.43-107.15 | 48.00-72.00 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
16” | 406.40 | 96.73-162.21 | 65.00-109.00 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
18 5/8” | 473.08 | 130.22 | 87.50 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |
20” | 508.00 | 139.89-197.93 | 94.00-133.00 | J55/K55/N80/L80/P110 | STC/LTC/BTC | R1/R2/R3 |




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