UNS S31254 F44
A fully austenitic alloy with excellent corrosion resistance in a wide variety of aggressive, aqueous environments, widely used in the chemical processing and power industry for piping.
F44 is also known as 254 SMO® *, 1.4547 and SS2378.
ASTM A182 F44
ASTM A479 /UNS S31254
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F44 is an austenitic stainless steel used in seawater and other aggressive chloride-bearing media. This grade has excellent resistance to pitting and crevice corrosion, high resistance to general corrosion and stress corrosion cracking, with a higher strength than conventional austenitic stainless steels, and good weldability.
We hold F44 round bar stock from 12.7mm to 189mm, although we can supply additional sizes on competitive lead times.
UNS S31254 F44 Mechanical Properties
|Mechanical (room temperature)||UTS||0.2% Proof Strength||Elongation||Reduction in Area||Hardness|
|F44||650-850 Mpa||≤ 300 Mpa||35.00%||50.00%||≤ 260 HB|
UNS S31254 F44 Chemical Properties
|Chemical Content %||C||Mn||Si||S||P||Cr||Ni||Mo||Cu||N||PREN|
|F44||≤ 0.02||≤ 1.00||≤ 0.70||≤ 0.01||≤ 0.03||19.5 - 20.5||17.5 - 18.5||6.0 - 6.5||0.5 - 1.0||0.18 - 0.22||40|
For more technical information download our F44 information sheet here
F44 is ideally suited to applications within the chemical and food processing industry, marine and offshore environments and the paper manufacturing industry.
Typical end uses include:
- paper bleaching vats
- pollution control systems
- piping and condensers
- pumps and valves
- heat exchangers
- chemical proccessing equipment
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