The ASME B16.11 A350 LF2 Threaded Elbow is a high-pressure forged fitting designed for low-temperature and cryogenic service. Engineered for extreme climates, it maintains high notch toughness down to -46℃. Featuring precision NPT or BSP threads, it allows for secure, weld-free directional changes in small-bore piping. Rated for 3000 PSI, it is the industry standard for LNG processing, refrigeration, and arctic gas transmission where brittle fracture resistance is a critical safety requirement
Technical Attributes: A350 LF2 3000# Threaded Elbow
Standard,ASME B16.11 / ASTM A350
Material Grade,ASTM A350 LF2 Class 1
Fitting Type,90° or 45° Threaded Elbow
Pressure Class,3000 LBS (Class 3000)
Size Range,1/8" to 4" (NPS)"
Thread Type (NPT),ASME B1.20.1 (Tapered)
Thread Type (BSP),BS 21 / ISO 7-1 (Tapered or Parallel)
Service Temp,Down to −46∘C (−50∘F)
Impact Energy,≥20 J (Charpy V-Notch at −46∘C)
Tensile Strength,485–655 MPa (70–95 ksi)
Yield Strength,≥250 MPa (36 ksi)
Manufacturing,"Forged, Fine-Grain Practice, Machined"
Heat Treatment,Normalizing or Quenching & Tempering
Testing Standard,"Charpy Impact, UT, MT, Thread Gauging"
Hardness,≤197 HBW
Surface Finish,Anti-rust Oil / Black Phosphated / Galvanized
Wall Thickness,Reinforced per ASME B16.11
Certification,EN 10204 3.1 / MTR
Primary Use,Cryogenic Gas & Arctic Oil Transmission
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