The ANSI B16.9 Stainless Steel 90° Long Radius (LR) Elbow is a premium fitting used to change pipe direction with minimal flow resistance. The "Long Radius" design ($R=1.5D$) ensures a smoother transition compared to short radius elbows, reducing pressure drop and internal erosion. Forged from corrosion-resistant grades like 304/L or 316/L, it is essential for sanitary, chemical, and marine applications where fluid purity and longevity are critical. Its seamless or welded construction meets strict high-pressure standards.
Technical Attributes: Stainless Steel 90° LR Elbow
Standard,ANSI/ASME B16.9
Material Grades,"ASTM A403 WP304/L, WP316/L, WP321, WP347"
Angle,90 Degree
Radius Type,Long Radius (LR) - R=1.5×NPS
Manufacturing,Seamless or Welded (WP-W / WP-WX)
End Connection,Butt Welding (BW)
End Preparation,Beveled Ends per ASME B16.25
Size Range,1/2" to 48" (DN15 - DN1200)
Wall Thickness,"SCH 5S, 10S, 40S, 80S"
Chromium Content,16.0%–20.0% (Grade dependent)
Nickel Content,8.0%–14.0% (Grade dependent)
Surface Finish,"Pickled, Sand Blasted, or Polished"
Heat Treatment,Solution Annealing and Water Quench
Tensile Strength,≥485 MPa (70 ksi)
Yield Strength,≥170–205 MPa
Testing Standard,"PMI, Hydrostatic, X-Ray (for welded), UT"
Corrosion Resistance,High (Resistance to Pitting & Oxidation)
Certification,EN 10204 3.1 / MTR
Applications,"Food/Dairy, Pharma, Chemical, Offshore"
Contact: Jorge Yang
Phone: +86-13588258503
E-mail: sales@fluvalve.com
Whatsapp:+86-13588258503
Add: Room 331, South Building,Building 1, No.3 Jinpeng Street, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province
