Taw qhia SAF 2507 Super Duplex F53
SAF 2507, tseem hu ua F53, yog super duplex stainless hlau uas belongs rau SAF (Sandvik thiab Fagersta) tsev neeg ntawm alloys. UNS S32750 yog cov khoom siv qib tsim rau qhov tshwj xeeb super duplex stainless hlau. Cia peb rhuav tshem cov yam ntxwv tseem ceeb ntawm SAF 2507 (F53):
HT PIPE yog ib tug thawj coj stockist thiab exporter thoob ntiaj teb nrog ntau tshaj 16 xyoo ntawm kev txawj ntse nyob rau hauv thoob ntiaj teb kev lag luam. Peb muab cov kav dej, daim hlau, cov kab tuav, thiab ntau yam ntawm cov yeeb nkab fittings, flanges, thiab li qub.Tiv tauj pebtam sim no rau cov quotes dawb thiab cov ntaub ntawv khoom ntiag tug.
1. F53 Duplex Chemical Composition
| Lub ntsiab | Cov ntsiab lus (%) |
|---|---|
| Chromium (Cr) | 24.0 – 26.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Molybdenum (hli) | 3.0 – 5.0 |
| Manganese (Mn) | 1.20 max |
| Silicon (Si) | 0.80 max |
| Nitrogen (N) | 0.24 – 0.32 |
| Cov pa roj carbon (C) | 0.030 max |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.020 max |
| Hlau (Fe) | Tshuav |
Mechanical Properties ntawm SAF 2507 Daim Ntawv, Phaj & Yeeb Nkab
| Khoom | Yam tsawg kawg nkaus tus nqi | Chav tsev |
|---|---|---|
| Lub zog tensile | 800 | MPa |
| Yield zog (0.2% offset) | 550 | MPa |
| Elongation thaum so | 15 | % |
| Hardness, Brinell (HB) | 270 | HB |
| Hardness, Rockwell C | 28 | HRC |
| Impact toughness (Charpy V-notch, -46 degree) | 45 | J |
Lub cev muaj zog ntawm F53 / UNS S32750
| Khoom | Metric | Imperial |
|---|---|---|
| Qhov ntom | 7.80 g / cm³ | 0.282 lb/in³ |
| Melting point | 1400-1455 ° C | 2550 - 2650 ° F |
| Thermal expansion (20-100 degree) | 13.0 × 10⁻⁶ / degree | 7.2 × 10⁻⁶ /℃F |
| Thermal conductivity (20 degree) | 14 W/m·K | 97 BTU·in/ft²·h·℃F |
| Kub tshwj xeeb (20 degree) | 480 J/kg · K | 0.115 BTU/lb ·℃F |
| Elastic modulus | 185 GPa | 26.8 × 10⁶ psi |
2. Super Duplex F53 Corrosion Resistance:
- Ib qho ntawm qhov zoo tshaj plaws ntawm SAF 2507 (F53) yog nws cov corrosion kuj zoo heev.AISI 2507 super duplexNws yog qhov ua tau zoo heev rau kev txhim kho corrosion, pitting corrosion, thiab crevice corrosion, ua rau nws haum rau siv nyob rau hauv ib puag ncig hnyav, tshwj xeeb tshaj yog cov uas muaj chloride ions.
3. DIN 1.4410 Dual -Phase Microstructure:
- Super duplex stainless hlau zoo liTIAB SA 2507muaj dual-phase microstructure uas muaj ob theem austenitic thiab ferritic. Qhov no dual -phase qauv pab txhawb rau cov khoom muaj zog thiab toughness.
4. Safe 2507 Khoom Siv Lub Zog:
- SAF 2507 super duplexnthuav tawm siab tensile thiab yield zog, ua rau nws haum rau daim ntaub ntawv uas lub zog thiab corrosion kuj yog ib qho tseem ceeb yam tseem ceeb.
5. Kev lag luam thiab kev siv ntawm SAF 2507 / F53
Roj & Roj:Subsea pipelines, risers, manifolds, qhov zoo ntawm lub taub hau, thiab txheej txheem piping hauv kev pabcuam qaub.
Kev ua tshuaj lom neeg:Reactors, heat exchangers, siab hlab ntsha, thiab cia tank tuav chlorides thiab acids.
Desalination:Rov qab osmosis siab hlab ntsha, twj tso kua mis, thiab cov kav dej raug dej hiav txwv.
Marine Engineering:Propeller shafts, seawater txias tshuab, offshore platforms, thiab shipbuilding Cheebtsam.
Pulp & Ntawv:Digesters, bleach washers, thiab cawv tanks.
Kev tsim hluav taws xob:Condensers, feedwater heaters, thiab flue gas desulfurization (FGD) systems.
Structure & Architectural:Thauj khoom-cov kabmob hauv qhov chaw corrosive uas yuav tsum muaj lub zog siab.
6. Safe 2507 Stainless Hlau Weldability:
- Thaum super duplex stainless hlau tuaj yeem nyuaj rau vuam piv rau austenitic stainless hlau, SAF 2507 paub txog nws qhov zoo weldability. Cov txheej txheem vuam kom raug thiab cov kev coj ua yuav tsum tau ua kom muaj kev tiv thaiv corrosion thiab cov khoom siv kho tshuab.
7. ASTM UNS S32750 Cov Qauv:
| Daim ntawv khoom | Cov Standards |
|---|---|
| Daim Ntawv / Phaj | ASTM A240 / ASME SA-240 Cov Lus Qhia |
| Bar / Forgings | ASTM A479 / ASTM A182 (F53) Kev ntsuas |
| Seamless & Welded Yeeb Nkab | ASTM A790 / ASME SA-790 Txheem: |
| Seamless & Welded Tube | ASTM A789 / ASME SA-789 Txheem: |
| Cov yeeb nkab fittings | ASTM A815 / ASME SA-815 Cov Lus Qhia |
| Flanges | ASTM A182 F53 / ASME SA-182 Cov Lus Qhia |
| Fasteners | ASTM A193 / A194 / A320 (kev cai qib) |
8. Thaum tshav kub kub Resistance:
- SAF 2507 super duplexkhaws nws cov khoom siv kho tshuab thiab kev tiv thaiv corrosion ntawm qhov kub siab, ua rau nws tsim nyog rau cov ntawv thov uas muaj qhov siab - kub thiab siab - siab.
Cov Qauv Zoo, Kev Xeem & Export Documentation
Huitong cov khoom sivSAF 2507 / UNS S32750cov ntaub ntawv nrog cov ntaub ntawv hauv qab no thiab kev lees paub zoo:
- Ua raws li ASTM A240, A790, A789, A182, A815, thiab ASME SA sib npaug
- Mill Test Certificate (MTC) nrog rau cov xov tooj cua sov, tshuaj ntsuam xyuas, thiab cov txiaj ntsig kev ntsuas tshuab
- Kev Ntsuas Cov Khoom Siv Zoo (PMI) thaum thov
- Thib peb-kev tshuaj xyuas los ntawm SGS, BV, TÜV, lossis Lloyd raws li kev thov
- Tsis yog- kuaj kev puas tsuaj: kuaj ultrasonic (UT), dye penetrant testing (PT), kuaj radiographic (RT)
- Export ntim: plywood case, pallets, seaworthy wrapping, thiab thawv ntim cov duab
- Kev paub muab roj & roj, desalination, thiab EU PED ntawv pov thawj tej yaam num
Cov lus nug nquag nug (FAQ)
Q1: SAF 2507 yog dab tsi?
A: SAF 2507 yog qib super duplex stainless hlau thawj zaug tsim los ntawm Sandvik thiab Fagersta. Nws unified numbering system designation yogUNS S32750, thiab nws tseem hu uaF53hauv forgings los yog1.4410nyob rau hauv European qauv.
Q2: Qhov txawv ntawm SAF 2507 thiab duplex 2205 yog dab tsi?
A: SAF 2507 (UNS S32750) has higher chromium, molybdenum, and nitrogen content than duplex 2205 (UNS S32205), giving it a higher PREN (>40 vs ~ 34–36) thiab zoo dua corrosion kuj nyob rau hauv chloride- nplua nuj thiab qaub ib puag ncig. Nws kuj muaj zog dua.
Q3: SAF 2507 puas tuaj yeem txuas tau?
A: Yog lawm, tab sis nws yuav tsum tau tswj cov cua sov thiab sib txuam cov khoom siv hlau xws liTIAB SA 2594(wire) lubE2594(electrode). Cov txheej txheem vuam kom raug yog qhov tseem ceeb los tswj cov austenite-ferrite tshuav nyiaj li cas thiab corrosion kuj.
Q4: Tus nqi ntawm SAF 2507 / UNS S32750 khoom yog dab tsi?
A: Tus nqi yog nyob ntawm daim ntawv ntawm cov khoom, qhov loj, qhov ntau, tus qauv, thiab qhov chaw xa khoom. Huitong nrog koj cov lus qhia tshwj xeeb rau kev sib tw nqe lus, feem ntau xa rov qab hauv 24 teev.
Q5: Koj puas muab MTC thiab thib peb -kev tshuaj xyuas rau SAF 2507?
A: Yog. Txhua qhov kev txiav txim tuaj yeem muab nrog Daim Ntawv Pov Thawj Kev Xeem Mill, thiab thib peb - kev tshuaj xyuas los ntawm SGS, BV, TÜV, lossis Lloyd's tuaj yeem npaj tau raws li kev thov.
Q6: Lub teb chaws twg koj xa khoom SAF 2507 rau?
A: Peb niaj hnub xa tawm mus rau Middle East (Saudi Arabia, Qatar, UAE), Europe, Southeast Asia, thiab Asmeskas, nrog tag nrho cov ntaub ntawv xa tawm thiab daim ntawv pov thawj ntawm keeb kwm.
Peb lub tuam txhab yog tus kws tshaj lij thiab txhim khu kev qha ntawm 2507 cov ntaub ntawv. Tsis tsuas yog muabS32750 super duplex stainless hlau raj, peb tuaj yeem muab cov qauv dawb ntawm 2507 cov kav dej, cov ntawv, daim hlau, cov yeeb nkab fittings, flanges, round bars, thiab fasteners. Txais tos tiv tauj peb.
