Learn about Sch 40 dimensions, pressure ratings, and why it’s the industry standard for seamless and ERW carbon steel pipes. Get expert insights from RAYOUNG.

RAYOUNG completes major shipments of seamless steel pipes, buttweld fittings, and flanges to Chile, Indonesia, UAE, and Russia.

Watch our office video tour and see how we are expanding to provide better service for your industrial pipe and flange needs.

We break down ASME/ANSI B16.5, DIN standards, and pressure ratings to help you select the right flanges for oil, gas, and water systems. Get accurate specs today!

Choosing the optimal connection—Buttweld, Socket Weld, or Threaded—is critical for the integrity of any industrial piping system. This comprehensive guide breaks down the technical nuances between these three fitting types, comparing their performance under high pressure, vibration, and corrosive environments.

RAYOUNG offers wholesale bulk supply of API 5L, ASTM A106 pipes approved by ADNOC & PETROBRAS.

ASME B16.9 butt-weld elbows. View our comprehensive dimension and weight chart. We supply A234 WPB, Stainless, and Alloy steel elbows for global stockists and oil & gas projects.

Discover how RAYOUNG meets the rigorous technical demands of global EPC projects. From MTC 3.1 traceability to advanced NDT testing, we ensure zero-defect piping components for oil, gas, and power infrastructure.

Steel pipe fitting and flange manager-Rayoung offers 30,000 tons annual capacity, CE/ISO/ADNOC certifications, and 95%+ on-time delivery for global stockists.

In the complex world of industrial piping systems, selecting the right flange is critical for ensuring safety, durability, and cost-efficiency. Among the various types available,