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Offshore Floating Storage Vessel (FPSO) ose fale suau'u atoatoa i fafo o lo'o tu'ufa'atasia le teuina, tu'ueseeseina ma le felauaiga o oloa suauu mama. O suauu mama e maua mai i vaieli i lalo o le sami e maua mai i paipa i lalo o le sami, fa'agaoioi i luga o le va'a ma teu i tane uta, lea e iu ai ina la'u atu i va'a va'a e ala i le la'u uta.
Super duplex uʻamea uʻamea o loʻo i ai le maualuga o le molybdenum, lea e faʻaleleia atili ai le faʻafefeteina o le uʻamea uʻamea, lea e fetaui lelei mo le faʻaaogaina umi i siosiomaga e maualuga le chloride ion, e pei o le sami, ma e faʻaaogaina lautele i valve saogalemu, paipa. , Desulfurization olo ma isi vaega i modules FPSO.
O ia tagata fa'atau e masani lava ona i ai mana'oga nei mo le fa'aputuina o meatotino u'amea o mea fa'aaogaina o le super duplex stainless steel (fa'afetaui le u'amea fa'avae UNS S32750/S32760, ma isi):
| Malosi'i (Mpa) | Uumi ta'i (%) | Ferrite (Su'ega) | Ole a'a ole lua (40℃*24h) ASTM G48A | Malosi HV10 | pitting index PREN |
| ≥750 | ≥20 | 35-65% | ≤4g/m2 | ≤330 | ≥40 |
Mo uiga uelo ma manaʻoga faʻapitoa faʻapitoa o le super duplex stainless steel, o loʻo i ai i la matou kamupani le faʻaogaina o mea e faʻaogaina e fetaui, o loʻo faʻamatalaina e faapea:
Fa'afetaui mea fa'aaoga uelo
| Uiliga uaea vaega | SS Argon arc uelo uaea | SS tootoo uelo lima | Uaea uelo fa'aoso SS flux | SS uaea u'u arc i lalo |
| igoa ole oloa | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 GXS-330 |
| tulaga fa'atinoina | AWS A5.9/5.9M-2017 ER2594 | AWS A5.4/5.4M-2012 ER2594-16 | AWS A5.22/5.22M-2012 ER2594T1-1 | AWS A5.9/5.9M-2017 ER2594 |
Tulaga masani
| igoa ole oloa | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 | |
| Alu wt% | C | 0.012 | 0.017 | 0.022 | 0.017 |
| Mn | 0.62 | 1.05 | 0.76 | 0.42 | |
| Si | 0.45 | 0.40 | 0.49 | 0.64 | |
| Ni | 8.46 | 8.49 | 8.36 | 8.48 | |
| Cr | 25.02 | 25.69 | 24.2 | 24.88 | |
| Mo | 3.86 | 3.96 | 3.65 | 3.85 | |
| P | 0.022 | 0.019 | 0.016 | 0.023 | |
| S | 0.001 | 0.005 | 0.003 | 0.001 | |
| W | 0.02 | 0.01 | 0.01 | 0.04 | |
| N | 0.24 | 0.22 | 0.27 | 0.24 | |
| PREN* | 41.6 | 42.2 | 40.5 | 41.4 | |
| Fa'amatalaga | Umea faatumu | Fa'aputu u'amea | Umea faatumu | Fa'aputu u'amea | |
Mea fa'ainisinia masani
| igoa ole oloa | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 GXS-330 |
| Malosi'i (Mpa) | 853 | 920 | 881 | 889 |
| Uumi ta'i (%) | 31 | 26 | 25 | 26 |
| Malosi'i fa'a'a'afiaga (J/℃) | 240/-46 | 51/-46 | 50/-40 | 56/-46 |
| Ferrite (Su'ega) | 49% | 43% | 36% | 40% |
| Malosi HV10 | 280 | 295 | 289 | 292 |
| lua PREN | 2.5g/m3 | 2.8g/m3 | 2.9g/m3 | 2.7g/m3 |
Mo nisi fa'amatalaga fa'afeso'ota'i +86 13252436578
Taimi meli: Nov-15-2022