Longitudinal Submerged Arc Welded Steel Pipe in the Industrial Construction Project

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

Product: LSAW Steel Pipe (Longitudinal Submerged Arc Welded Steel Pipe)
Standard: API 5L / ASTM A53
Grade: GR B
Outer Diameter (OD): 812.8 mm
Wall Thickness (T.K.): 17.48 mm
Quantity: 6,806 tons
Throughout this project, we maintained strict quality control at every stage of production — from material selection to final inspection. All LSAW steel pipes were manufactured and tested precisely according to the client’s customised dimensional requirements, ensuring full compliance with both API 5L / ASTM A53 standards and the client’s specifications.

Since this was a customised product, we took the initiative to go beyond routine production. We actively engaged with our client to understand their specific application environment, including operating pressure, external loading conditions, and installation methods. Based on this understanding, we provided professional recommendations on wall thickness selection, welding parameters, and non-destructive testing (NDT) protocols.

This proactive, solution-oriented approach helps our customers avoid potential operational risks, enhance pipeline reliability, and optimize overall project costs. Our goal is always to create a win‑win partnership — delivering high‑quality, customised products while offering value‑added advice that protects our clients’ long‑term success.

At Hunan Great Steel Pipe Co., Ltd., we are proud to support global pipeline projects with precision manufacturing, rigorous quality assurance, and tailored engineering support.