What is API 5LD? Clad & Lined Steel Pipes for Corrosion‑Resistant Service
As industries move deeper into extreme environments—high pressure, high temperature, sour service—the need for cost-effective, corrosion-resistant pipelines is increasing. That’s where API 5LD becomes essential. At FNS (Nanjing) Surface Engineering Technology Co., Ltd, we regularly work with this standard to support global oil & gas, petrochemical, and marine clients with high-performance clad and lined steel pipe solutions. API 5LD CRA clad steel pipe showing corrosion-resistant a ... + Read more
Key Technical Requirements of API 5LD: Materials, Dimensions, and Tolerances
For CRA (corrosion-resistant alloy) clad and lined steel pipes to meet demanding field conditions, compliance with API 5LD requires more than surface-level precision. The standard outlines strict criteria for materials, dimensional controls, and bonding integrity—each playing a crucial role in product performance. In this article, we examine the core technical requirements of API 5LD, helping buyers, engineers, and manufacturers understand what ensures reliability in every pipe section. API ... + Read more
Manufacturing CRA Clad and Lined Pipes Under API 5LD: From Cladding to Inspection
The API 5LD pipe manufacturing process plays a vital role in delivering safe, high-performance pipelines for corrosive environments. Whether it’s a CRA clad or lined pipe, the production steps defined by API 5LD ensure structural strength, corrosion resistance, and compliance with oil and gas industry expectations. At FNS (Nanjing) Surface Engineering Technology Co., Ltd, our advanced equipment and rigorous quality controls allow us to manufacture pipes that meet or exceed API 5LD spec ... + Read more