Energy Project Supply of API 5CT Seamless Casing

At Hunan Great Steel Pipe Co., Ltd., we are pleased to present one of our recent project applications — the supply of seamless casing pipes to an international client.

Product: Seamless Casing Pipe (SMLS Casing)
Standard: API 5CT
Grades:L80 / J55
Outer:Diameter (OD) 7”, 9‑5/8”, 13‑3/8”
Weight per Unit 26#, 29#, 40#, 54.5#
Quantity:490 tons

Throughout this project, we maintained strict quality control at every stage of production — from material selection to final inspection. All casing pipes were manufactured and tested precisely according to the client’s customised dimensional requirements, ensuring full compliance with both international standards and the client’s specifications.

Even for standard products such as API 5CT casing, we take the initiative to go beyond routine compliance. We actively engage with our clients to understand their specific operating environments, including downhole conditions, pressure levels, and corrosive challenges. Based on this understanding, we provide professional recommendations on grade selection, connection types, and application precautions.

This proactive, solution-oriented approach helps our customers avoid potential operational risks, optimise product performance, and ultimately reduce total project costs. Our goal is always to create a win‑win partnership — delivering reliable, high‑quality products while offering value‑added advice that protects our clients’ long‑term interests.

At Hunan Great Steel Pipe Co., Ltd., we are proud to support global oil and gas projects with precision manufacturing, rigorous quality assurance, and thoughtful engineering support tailored to each client’s needs.