API 5L Line Pipe Coupling

Manufactured in strict accordance with API 5L specification, these couplings are designed for seamless connection of line pipes in oil, natural gas and water transportation systems.

✅ Standard & Certification: Compliant with API 5L requirements, third-party lab certified for quality consistency

✅ Material Options: Grade B / L245 carbon steel, meeting the mechanical and corrosion resistance demands of oilfield applications

✅ Available Sizes: 1/8″ to 12″ (custom sizes available upon request)

✅ Surface Treatment:  phosphated , providing excellent anti-rust protection

✅ Thread & Performance: Precision machined threads (API 5B standard), rated for high-pressure line pipe service, ensuring leak-proof connections

Widely used in oilfield gathering lines, natural gas transmission pipelines and industrial fluid transportation projects. We provide full inspection reports.