GB/T | UNS | ID | W.Nr |
022Cr25Ni7Mo4WCuN | S32760 | F55 | 1.4501 |
chemical composition:
合金 | % | Ni | Cr | Mo | N | C | Mn | Si | S | P | Cu | W |
F55 | min | 6 | 24 | 3 | 0.2 | 0.5 | 0.5 | |||||
max | 8 | 26 | 4 | 0.3 | 0.03 | 1 | 1 | 0.01 | 0.03 | 1 | 1 |
The minimum mechanical properties of the alloy at room temperature:
alloy static | Tensile Strength Rm N/mm² | Yield Strength Rp0.2 N/mm² | ElongatSion A5 % | Brinell hardness HB |
Solution treatment | 820 | 550 | 25 | - |
F55 alloy has the following characteristics:
F55 has high mechanical strength and good ductility at atmospheric temperature and subzero temperatures, and corrosion resistance to the marine environment. Good resistance to abrasion, corrosion and cavitation and can also be used in acidic media working environments.
The application areas of the F55 application range are:
Primarily used in oil and gas and marine applications, it is commonly used in pressure vessels, choke valves, trees, flanges and piping systems.