Stainless steel F55 ke tšepe e sa hloekang ea duplex (austenitic-ferritic) e nang le ferrite e ka bang 40 - 50% maemong a koaletsoeng.F55 e bile tharollo e sebetsang ho chloride stress corrosion cracking mathata a nang le 304/304L kapa 316/316L a se nang litšila.Likahare tse phahameng tsa chromium, molybdenum le naetrojene li fana ka khanyetso ea kutu ho feta 316/316L le 317L e senang litšila libakeng tse ngata.F55 ha e khothalletsoe bakeng sa mocheso oa ho sebetsa o fihlang ho 600°F
Alloy | % | Ni | Cr | Mo | N | C | Mn | Si | S | P | Cu | W |
F55 | Min. | 6 | 24 | 3 | 0.2 |
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| 0.5 | 0.5 |
Max. | 8 | 26 | 4 | 0.3 | 0.03 | 1 | 1 | 0.01 | 0.03 | 1 | 1 |
Botenya | 8.0 g/cm³ |
Sebaka se qhibilihang | 1320-1370 ℃ |
Boemo ba alloy | Matla a tšepe | Ho hlahisa matla RP0.2 N/mm² | Elongation | Brinell hardness HB |
Phekolo ea tharollo | 820 | 550 | 25 | - |
ASME SA 182, ASME SA 240, ASME SA 479, ASME SA 789, ASME SA 789 Karolo IV Code Case 2603
ASTM A 240, ASTM A 276, ASTM A 276 Condition A, ASTM A 276 Condition S, ASTM A 479, ASTM A 790
NACE MR0175/ISO 15156
F55(S32760) e kopanya matla a phahameng a mochini le ductility e ntle le khanyetso ea kutu tikolohong ea leoatle mme e sebetsa maemong a leholimo le mocheso o ka tlase ho zero.Ho hanyetsa ho hoholo hoa abrasion, khoholeho ea mobu le khoholeho ea cavitation hape e sebelisoa ts'ebetsong ea ts'ebeletso e bolila
Haholo-holo e sebelisoa bakeng sa oli le khase le lits'ebetso tsa leoatleng hangata li sebelisetsoa likepe tsa khatello, li-valve choke, lifate tsa Xmas, li-flanges le lipeipi.