Uamea steel F55 o se duplex (austenitic-ferritic) uʻamea le silasila e aofia ai le 40 - 50% ferrite i le tuʻuina atu o le tulaga. O le F55 o se tali talafeagai i le faʻafitauli o le faaleagaina o le chloride i le faʻafitauli o loʻo tupu i le 304/304L poʻo le 316 / 316L. Ole maualuga o le chromium, molybdenum ma le nitrogen o loʻo iai mea e faʻatamaʻi ai le pala nai lo le 316 / 316L ma le 317L i le tele o siʻosiʻomaga. F55 e le fautuaina mo le faʻagaioia o le vevela e oʻo atu i le 600 ° F
Uʻamea filogia |
% |
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 |
Density
|
8.0 g / cm³
|
Faaliusuavai
|
1320-1370 ℃
|
Tulaga uʻamea filogia |
Malosi malosi |
Galue malosi RP0.2 N / mm² |
Faʻa umi |
Brinell maaa HB |
Fofo togafitiga |
820 |
550 |
25 |
- |
ASME SA 182, ASME SA 240, ASME SA 479, ASME SA 789, ASME SA 789 Vaega IV Tulafono Mataupu 2603
ASTM A 240, ASTM A 276, ASTM A 276 Tulaga A, ASTM A 276 Tulaga S, ASTM A 479, ASTM A 790
NACE MR0175 / ISO 15156
F55 (S32760) tuʻufaʻatasia maualuga masini malosi ma lelei ductility ma corrosion tetee atu i siosiomaga siosiomaga ma faʻatautaia i ambient ma lalo ifo zero vevela. Maualuga teteʻe atu i abrasion, eleele tafia ma cavitation tafia ma faʻapena foi faʻaaogaina i le oona auaunaga faʻagaioiga
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