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Offshore Floating Storage Vessel (FPSO) bụ ụlọ ọrụ mmanụ dị n'ụsọ osimiri na-ejikọta nchekwa, nkewa na ibuga ngwaahịa mmanụ crude. A na-enweta mmanụ cru na-esi n'olulu mmiri dị n'okpuru mmiri site na paịpụ dị n'okpuru mmiri, na-edozi ya n'ime ụgbọ mmiri ma chekwaa ya na tankị ibu, bụ ebe a na-emecha buru ya na ụgbọ mmiri na-ebufe site na usoro mbupu.
Igwe anaghị agba nchara Super duplex nwere ọdịnaya molybdenum dị elu, nke na-eme ka nguzogide corrosion nke igwe anaghị agba nchara, nke dabara adaba maka iji ogologo oge na gburugburu ebe nwere ọdịnaya ion chloride dị elu, dị ka mmiri mmiri, a na-ejikwa ya na valves nchekwa, pipeline. , ụlọ elu desulfurization na ihe ndị ọzọ dị na modul FPSO.
Ndị ahịa dị otú ahụ na-enwekarị ihe ndị a chọrọ maka nrụnye ọla nke ihe eji agbado ọkụ nke super duplex igwe anaghị agba nchara (nhọrọ ntọala UNS S32750/S32760, wdg):
| Ike tensile (Mpa) | Ogologo tensile (%) | Ferrite (Nnwale) | Ịkpọpụta corrosion (40 ℃ * 24h) ASTM G48A | Isi ike HV10 | pitting index PREN |
| ≥750 | ≥20 | 35-65% | ≤4g/m2 | ≤330 | ≥40 |
Maka njirimara ịgbado ọkụ na ihe teknụzụ metụtara ya nke super duplex igwe anaghị agba nchara, ụlọ ọrụ anyị nwere ihe eji agbado ọkụ kwekọrọ, nke akọwara dị ka ndị a:
Ngwa ịgbado ọkụ dabara adaba
| Ụdị waya ịgbado ọkụ | SS Argon arc ịgbado ọkụ waya | mkpanaka ịgbado ọkụ SS | SS flux cored ịgbado ọkụ waya | Waya ịgbado ọkụ SS miri emi |
| aha ngwaahịa | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 GXS-330 |
| ụkpụrụ mmejuputa iwu | 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 |
Ngwakọta ahụkarị
| aha ngwaahịa | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 | |
| Alloy 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 | |
| KWESỊRỊ* | 41.6 | 42.2 | 40.5 | 41.4 | |
| kwuo | Igwe eji eme ihe | Nkwado ọla | Igwe eji eme ihe | Nkwado ọla | |
Njirimara igwe eji eme ihe
| aha ngwaahịa | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 GXS-330 |
| Ike tensile (Mpa) | 853 | 920 | 881 | 889 |
| Ogologo tensile (%) | 31 | 26 | 25 | 26 |
| Ike nnabata mmetụta (J/℃) | 240/-46 | 51/-46 | 50/-40 | 56/-46 |
| Ferrite (Nnwale) | 49% | 43% | 36% | 40% |
| Isi ike HV10 | 280 | 295 | 289 | 292 |
| olulu PREN | 2.5g/m3 | 2.8g/m3 | 2.9g/m3 | 2.7g/m3 |
Ozi ndị ọzọ kpọtụrụ +86 13252436578
Oge nzipu: Nov-15-2022