ASTM A350 LF2 for Low Temperature

ASME/ASTM A350 is the standard specification for carbon steel and low alloy steel forged Fittings and Flanges for low temperature services. There are two Classes for LF2: Class 1 and Class 2.

Common grade is ASTM A350 LF2 Class 1 Minimum Yield Strength 36,000 PSI and Tensile Strength 70,000 – 95,000 Charpy impact tests temperatures are at -45℃.

Available from Inventory

  • Fittings: Butt Weld, Socket Weld and Threaded
  • Flanges: Raised Face, Flat Face, Weld Neck, Slip On, Threaded & Blind
  • Pressure Fittings:Threaded
  • ¼” Through 6”
  • 150#, 300#, 3000#, 6000#