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The flanges are suitable for severe temperatures and high-pressure applications. The alloy has high resistant to pitting, crevice, and stress cracking corrosion. It can withstand exposure to chloride ion bearing environments. The alloy retains its ductility and toughness in cryogenic temperatures. The material is moldable into different designs, shapes, sizes, and thicknesses to suit client specifications. The flanges have excellent weldability and formability. They have low carbon content which enhances carbide precipitation resistance. The most common types are swivel, socket, spectacle, square, orifice, flat, plate, long weld neck, SORF, WNRF, RTJ, and reducing flanges. They are classified into 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, and PN64.


Properties of low-temperature carbon steel LF5 flanges

Physical and mechanical- The alloy has a tensile strength of 600MPa while the yield strength is 300MPa. The elongation capacity of the material is 25%. The density is 8.2g/cm3 while the melting point is 15000 C.

Chemical- The components of the flanges are carbon, nickel, chromium, molybdenum, vanadium, cobalt, silicon, manganese, sulfur, and phosphorus.



  • Heat exchangers.
  • Medical equipment.
  • Aerospace applications.


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