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Offshore Floating Storage Vessel (FPSO) minangka pabrik minyak lepas pantai sing komprehensif sing nggabungake panyimpenan, pamisahan lan transportasi produk minyak mentah. Minyak mentah sing diasilake saka sumur subsea ditampa liwat pipa subsea, diproses ing kapal lan disimpen ing tangki kargo, ing ngendi pungkasane diangkut menyang kapal tanker liwat sistem unloading.
Super duplex stainless steel nduweni isi molybdenum dhuwur, kang nemen mbenakake resistance karat saka stainless steel, kang cocok banget kanggo nggunakake long-term ing lingkungan karo isi ion klorida dhuwur, kayata banyu segara, lan digunakake digunakake ing safety klep, pipelines. , menara desulfurisasi lan komponen liyane ing modul FPSO.
Pelanggan kasebut umume duwe syarat ing ngisor iki kanggo sifat logam deposisi bahan las saka baja tahan karat super duplex (logam dasar sing cocog karo UNS S32750 / S32760, lsp):
| Kekuatan tarik (Mpa) | dawa tensile (%) | ferit (Tes) | Pitting korosi (40 ℃ * 24h) ASTM G48A | Kekerasan HV10 | indeks pitting PREN |
| ≥750 | ≥20 | 35-65% | ≤4g/m2 | ≤330 | ≥40 |
Kanggo karakteristik welding lan syarat teknis sing gegandhengan karo baja tahan karat super duplex, perusahaan kita duwe bahan welding sing cocog kanggo cocog, sing diterangake kaya ing ngisor iki:
Cocog welding consumables
| Kategori kawat las | SS Argon arc welding wire | SS tangan welding rod | SS flux cored kawat las | SS submerged arc welding wire |
| jeneng produk | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 GXS-330 |
| standar implementasine | 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 |
Komposisi khas
| jeneng produk | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 | |
| Paduan 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 | |
| Cathetan | Pengisi logam | Deposisi logam | Pengisi logam | Deposisi logam | |
Sifat mekanik sing khas
| jeneng produk | GTS-2594 | GES-2594 | GFS-2594 | GWS-2594 GXS-330 |
| Kekuatan tarik (Mpa) | 853 | 920 | 881 | 889 |
| dawa tensile (%) | 31 | 26 | 25 | 26 |
| Energi serapan dampak (J/℃) | 240/-46 | 51/-46 | 50/-40 | 56/-46 |
| ferit （Tes） | 49% | 43% | 36% | 40% |
| Kekerasan HV10 | 280 | 295 | 289 | 292 |
| pitting PREN | 2,5 g/m3 | 2,8g/m3 | 2,9g/m3 | 2,7 g/m3 |
Informasi luwih lengkap hubungi +86 13252436578
Wektu kirim: Nov-15-2022