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Sunrise petro : API 5CT L80

2024-02-05 10:52 330 views

‌API 5CT L80 is a specification for the production of seamless steel tubes used in the oil and gas industry. It is a standard set by the American Petroleum Institute (API) that defines the material, dimensions, and testing requirements for these tubes. API 5CT L80 tubes are typically made from high-grade carbon steel and are designed to withstand the harsh environments of oil and gas exploration and production. They are manufactured in a variety of wall thicknesses and diameters to meet the specific needs of various applications. The tubes are seamless, meaning they are formed by drawing a heated metal billet through a die to create a continuous length of hollow metal tubing. This process ensures that there are no weak points or seams in the tube, which is important for the safe transportation and handling of oil and gas. API 5CT L80 tubes must meet stringent quality control standards during production, including dimensional accuracy, material composition, and mechanical properties. They are subject to rigorous testing to ensure they can withstand pressure, corrosion, and other harsh conditions they may encounter in the field. These tubes are used in a wide range of oil and gas applications, including drilling operations, well completion, pipeline transportation, and offshore production platforms. They provide a strong, reliable, and cost-effective solution for safely transporting oil and gas over long distances.

API 5CT L80 is commonly used in the oil and gas industry for constructing wellbore walls during drilling operations. It is also used in casing, production tubing, coupling stock, pup joints, and various downhole accessories.

Here are some other characteristics of API 5CT L80: 

  • Minimum tensile strength of 655 Mpa
  • Yield strength between 552 to 655mpa
  • Higher than J55/K55, and similar with N80
  • Equivalent to SAE 4140
API 5CT L80 pipes are classified into three product specification levels, PSL-1, PSL-2, and PSL-3. Pipes that belong to grade L80 are heat treated after being upset.
The "L" in L80 stands for "line pipe," while the number designates the minimum yield strength in thousands of pounds per square inch (ksi). API 5CT L80 casing and tubing include grades L80-1, L80 9Cr (Cr 8%-10%), L80 13Cr (Cr 12%-14%).

API 5CT L80 is a medium carbon steel that is manufactured to API specification 5CT. It is a controlled yield strength material that is often used in wells with sour (hydrogen sulfide) environments.


Sucker Rod Pump
Sanjack has decades of history in tubing thread processing with advanced production equipment, complete testing methods and high-qualified inspection team. To ensure the quality of tubing products, our company strictly follows the ISO9001 quality system requirements from the production process, process plan, testing methods and management system, and strictly implements Sinopec Q/SHCG 18010-2016 “Casing and Tubing Purchase Technical Specifications”, combine the strict management, advanced manufacturing equipment with scientific inspection methods organically, grasp the quality control of each process, there is a complete quality control system from raw material inspection to the factory Inspection.

Any question about OCTG ,
please email 
sales@sunrise-petroleum.com , you will get reply within 12 hours!

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