
Carbon Steel Butt Weld Elbows: The Ultimate Guide to Dimensions, Types, and Industry Standards
Learn the difference between Long Radius (LR) & Short Radius (SR), ASTM A234 WPB standards, and ASME B16.9 dimensions.

Learn the difference between Long Radius (LR) & Short Radius (SR), ASTM A234 WPB standards, and ASME B16.9 dimensions.

Source high-quality carbon steel pipe fittings from Rayoun. Our guide covers butt weld tube fittings, technical pipe fitting dimensions (ASME B16.9), and why our weldable solutions are the top choice for global distributors.

Learn about ASTM material selection, international standards compliance, and MTC 3.1 traceability for industrial flanges.

Avoid costly pipeline failures. Discover why rigorous NDT (Non-Destructive Testing) is essential for industrial pipe fittings and flanges.

Avoid costly leaks and system failures. Discover the top 10 mistakes in buttweld pipe fitting installation, from poor beveling to improper PWHT. Essential for Oil & Gas engineers.

As we return from the Spring Festival break, our focus is twofold: maintaining the unwavering quality of our industrial flanges and fittings, and physically reaching out to the people who use them.

Hebei RAYOUNG Pipeline Technology observes 2026 CNY holiday from Feb 12 to 23. Online support for industrial steel pipes, fittings, and flanges remains available 24/7.

Compare flanged and threaded pipe connections. Learn the pros, cons, and best applications for each to ensure your piping system is safe, efficient, and cost-effective.

A heartfelt thank you to our global partners! Highlights from HEBEI JINSHENG’s 2025 gala, showcasing our commitment to quality piping components and our strategic roadmap for 2026.

Unsure about the difference between a blind flange and a blank flange? Discover technical insights on materials, pressure ratings, and applications. Read our comprehensive guide and browse our range of precision-forged industrial flanges.
Learn the different international standards of pipe fittings and pipe flanges. Get the exclusive purchase list.
Learn the different international standards of pipe fittings and pipe flanges. Get the exclusive purchase list.
Since 1983, RAYOUNG has specialized in steel pipe fittings, flanges and steel pipes meeting standards for GB, GOST, EN, DIN, JIS, SANS, API, MSS, and ASME codes.
Your Responsible Supplier Partner for Oil & Gas & Chemical Pipeline Products
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