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.

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


| Grade | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | ||||
| Min | Max | Min | Max | Min | Max | Min | Max | Max | Max | Max | Max | Max | |
| N80Q | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 一 | 0.030 | 0.030 | 一 |
| Grade | Type | Total under load Elongation % | Yield strength megapascal | Tensile strength megapascal | Hardness a, C Maximum | Specified OD mm | Allowable hardness Variation | ||
| Min | Max | Min | HRC | HBW | HRC | ||||
| N80 | Q | 0.5 | 552 | 758 | 689 | – | – | – | – |
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.


GB/T 5310-2017 Seamless Alloy Steel Pipe 12Cr1MoV


GB/T 5310-2017 15CrMoG Seamless Alloy Steel Pipe


API 5CT C90 OCTG Casing


GB/T 18248 34CrMo4 Gas Cylinder Tube


GB/T 8162-2018 27SiMn Alloy Structural Steel Tube


API 5CT H2S Resistant C90 Tubing


GB/T 3077-2015 Seamless Alloy Pipe 35CrMo Performance


API 5B Casing Coupling for Petroleum Industry

