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H2S Resistant API 5CT N80Q Casing Tube

H2S Resistant API 5CT N80Q Casing Tube

IMRI’s API 5CT N80Q casing is the best choice for the rigors of oil and gas wells due to its superior strength and reliability. The BTC threaded connection ensures a tight and stable seal to prevent fluid leakage.

Email:

sales@imristeel.com

Phone:

+86 13646172523

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Product Detail
Chemical Component
Related Products

Product Detail

Product Name:
API 5CT BTC Thread N80Q Casing Tube
Standard:
API 5CT / API 5B
Grade:
N80Q
Thickness:
3.5-60mm
Shape:
Round
Outer Diameter:
Ф114.3 – 406 mm
Place of Origin:
Inner Mongolia, China
Usage:
Structural Support; Wellbore Protection
Surface Treatment:
Hot Rolled
Tolerance:
WT: -12.5%
End:
Plain
End Protector:
HDPE crash cap or customized
length:
R1, R2, R3
Brand:
Baotou steel
Delivery Time:
Normally within 30-45 days and according to the quantity.

Chemical Component(API 5CT)

GradeCMnMoCrNiCuPSSi
MinMaxMinMaxMinMaxMinMaxMaxMaxMaxMaxMax
N80Q0.0300.030

 

Mechanical Property(API 5CT)

GradeTypeTotal under load

Elongation

%

Yield strength

megapascal

Tensile strength

megapascal

Hardness a, C

Maximum

Specified

OD

mm

Allowable hardness

Variation

MinMaxMinHRCHBWHRC
N80Q0.5552758689

 

Case:

IMRI’s API 5CT N80Q casing is specially designed for deep wells in sour environment (H₂S ≤ 30ppm, CO₂ ≤ 0.15MPa), with yield strength of 758-965MPa, and certified by NACE MR0175 for sulfur resistance. Successfully applied in Tarim ultra-deep sulfur wells (Φ244.5), Chuannan shale gas fracturing wells (Φ177.8mm) and Hassi Messaoud in Algeria, which accord with the requirements of ISO 15156-2/API TR 5C3 severe working conditions.