Taw qhia: Admanced Alloy rau Kev Cog Lus Thaj Chaw
Incoloy 825, tseem hu uaNickel Alloy 825lossisUnrical N08825, yog qhov siab - kev ua tau zooNpib-Hlau-Chromium Alloytxhim kho nrogMolybdenum, tooj liab, thiab titanium.
Nws yog tshwj xeeb tsim los ua hauv qabacidic, chloride, thiab siab - kub corrosive tej yam, ua nws ib qho ntawm cov khoom siv ntau tshaj plaws hauv cov ntaub ntawv, petrochemical, thiab marine txheej txheem tshuab.
Lub alloy ua pov thawj tsis tshua muaj kev sib xyaw ntawm cov khoom:
- Zoo heev rauTxo thiab oxidizing acids(suav nrog sulfuric thiab phosphoric acid).
- Siab ruaj khov tiv thaivpitting, crevice corrosion, thiab kev nyuaj siab - corrosion tsoo.
- Tshwj Xeeb Kev Ua Tau Tom Qabvuam lossis ntev ntevntawm kev nce siab kub.
Nws kev ntseeg tau tau ua alloy 825 ib qho khoom siv uas nyiam tshaj rauCov kev pauv hluav taws xob tshav kub, cov hnab looj hws, evapators, thiab offshore piping, qhov twg corrosion thiab neeg kho tshuab lim.
Tshuaj lom neeg tshuaj lom neeg thiab cov kev ruaj khov
Cov kev ua tau zoo ntawm alloy 825 keeb kwm los ntawm nws cov lus sib npaug ntawm cov khoom lag luam:
| Lub ntsiab | Cov ntsiab lus (%) | Metallurgical lub luag haujlwm |
|---|---|---|
| Npib tsib caug (ni) | 38.0 – 46.0 | Corrosion Kuj, Cov Qauv Kev Ruaj Ntseg |
| Chromium (cr) | 19.5 – 23.5 | Oxidation tsis kam, passive zaj duab xis tsim |
| Hlau (FE) | Seem | Txheej txheem sib npaug rau kev tawv |
| Molybdenum (mo) | 2.5 – 3.5 | Kuj yuav txo cov xov xwm thiab pitting |
| Tooj Liab (Cu) | 1.5 – 3.0 | Txhim kho tsis kam rau cov sulfuric thiab phosphoric acids |
| Titanium (ti) | 0.6 – 1.2 | Txhab nyiaj tawm tsam intergranular corrosion |
| Mn, si, c, s | Tsawg dua los yog sib npaug rau 1.0 / 0.5 / 0.05 / 0.03 | Tswj kev nyiam huv thiab kev ua haujlwm |
TusTitanium stabilizationSaib kom tsis txhob muaj qhov tsis txaus ntseeg thiab kev sib cuam tshuam tom qab vuam lossis raug rau 540-870 -870℃chaw muab kev pab.
Kev Tsim Khoom Thiab Kho Cua Sov
Incoloy 825 kav dej thiab cov leeg yog tsim los ntawmPrecision -} tswj tau melting, sib sau, thiab tov annealingTxhawm rau lav cov teeb tsa microstration microstructure thiab cov cwj pwm zoo dua.
Txheej Txheej Txheej Txheem Txheej txheem
- Nqus lossis Argon Melting- Tshem tawm cov impurities thiab txwv tsis pub cais cov sij hawm thaum muaj kev sib dhos.
- Kub Extrusion / Txias Teeb Duab- ua kom nruj me me tswj kev tswj hwm thiab ua kom pom tseeb.
- Tsis Siv Neeg Orbital Vuam(Rau Welded hom) - ua tau zoo, tag nrho cov nqaws.
- Kev daws Annealing (940-980 Qib)- Dissolves carbides thiab restores ductility.
- Cov cua nrawm lossis dej tso dej- Tiv thaiv rov ua -} Nag los nag thiab seem kev ntxhov siab.
- Pickling thiab passivation- Restores cov chromium - rich rich oxide zaj duab xis nyob rau saum npoo.
- Thaum kawg NDT thiab Hydro kuaj- Tshaj tawm sab hauv kev ncaj ncees thiab lub suab weld.
Txhua ntau lawm batch conformed rauASTM B423 / B705 / ASME SB423thiab undergoesUltrasonic, eddy tam sim no, thiab hydrostatic kuajRaws li ib astm B829.
Lub resulting microstructure yog aUniform Austenitic MatrixNrog rau kev faib tawm zoo ntawm carbides thiab intermetallic theem, muab cov hluav taws xob zoo hauv acidic kev pabcuam.
Corrosion Kuj thiab tus cwj pwm pabcuam
Alloy 825 yog engineered kom tawm tsam ntau spectrum ntawm kev ua kom haum ib puag ncig:
| Huab cua | Corrosion Resistance tus cwj pwm |
|---|---|
| Sulfuric, phosphoric, nitric acids | Tshwj xeeb ua rau muaj kev coj ua ob qho tib si oxidizing thiab txo cov kev mob |
| Dej hiav txwv thiab chloride daws | Cov muaj zog tsis kam rau pitting, thiab kev nyuaj siab - corrosion nrib pleb |
| Sour roj / h₂s | Nickel thiab Molybdenum inhibit sulfide kev ntxhov siab tawg |
| Xyaw acid ib puag ncig | Tooj liab thiab Molybdenum txhim kho kom tsis txhob txo cov kua qaub |
| Post -} Weld Raug | Titanium tiv thaiv intergranular nres tom qab vuam mus ncig ua si |
Cov ntaub ntawv alloy aSelf -} kho oxide txheej, kom muaj kev tiv thaiv ntev - lub sij hawm tiv thaiv txawm tias tom qab kev sib cais lossis cyclic raug.
Qhov no ua rau allloy 825 zoo tagnrho rauAcid {{0} Nrhiav cov dej txias, dej qias neeg ua paug tshuaj.
Mechanical thiab Kev Ua Tau Zoo
| Ntiag tug | Me me | Muaj huab tais | Kev piav txog |
|---|---|---|---|
| Lub zog tensile | Ntau dua los yog sib npaug rau 550 mpa | Ntau dua los yog sib npaug rau 80 ksi | Txhawb nqa siab siab sab hauv siab |
| Tos lub zog (0.2%) | Ntau dua los yog sib npaug rau 220 mpa | Ntau dua los yog sib npaug rau 32 ksi | Tswj cov qauv raws kev ntxhov siab |
| Elongation | Ntau dua los yog sib npaug rau 30% | Ntau dua los yog sib npaug rau 30% | Ua kom nruj thiab ua kom muaj peev xwm |
| Kev nyuaj | Tsawg dua los yog sib npaug rau 90 teev | Tsawg dua los yog sib npaug rau 90 teev | Khaws cia machinity thiab tawv |
Qhov ntau yam
- Seamless Pipes: 6 - 610 hli OD, 1 - 50 hli wt
- Welded Kav Dej: 25 - 1200 hli OD, 1.5 - 60 hli wt
- Cov hlab (ua piv txwv / cua sov sib pauv): 6 - 76 hli Od, 0.8 - 10 hli wt
- Ntev: Txog li 12 m, hauv SRL / DL / Kev Cai Ntau thiab tsawg
Kev kuaj, ntawv pov thawj, thiab tswj kom zoo
Txhua cov yeeb nkab thiab cov raj hauv qab cov QA program ua ntej ua zaub mov xa tuaj:
- Hydrostatic / eddy kev ntsuam xyuas tam sim no (ASTM B829)
- Kev kuaj xyuas thiab sab nraud
- PMI (Cov Khoom Siv Zoo)
- Intergranular ntsuam xyuas (ASTM G28 txoj kev a)
- Yeem thib peb -} Kev kuaj xyuas tog (SGS, TUV, BV)
Txhua yam khoom yog muab nrogEn 10204 3.1 / 3.2 mtc, tag nrho traceability, thiab iso 9001 cov ntaub ntawv zoo.
Muaj Cov Ntawv Thov
Cov versatility ntawm alloy 825 ua rau nws siv hauv ntau hom neeg lag luam:
- Tshuaj Thiab Nroj Tsuag Nroj Tsuag- cov kua qaub evaporation, cov tshuaj tiv thaiv yees, hloov pauv
- Roj & Roj Los Ntawm Cov Nruab Nrab- dej hiav txwv txias, ua - kev txhaj tshuaj dej
- Cov Hluav Taws Xob Tshav Kub Kub thiab Cov Condensers- High corrosion aav hauv kev ua kom huv thiab cov nroj tsuag hluav taws xob
- Kev Nyab Xeeb Tswjhwm Tshuab- FLUE GAS Desulfurization, Acid rov ua haujlwm
- Marine engineering- Cua ntxoo thiab desalination pipelines
Nws sib xyaw ntawmCorrosion endurance, weldability, thiab thermal ruaj khovSaib kom ntseeg tau kev pab cuam uas txhim khu kev qha hauv cov tshuaj corrosive lossis cov tshuaj sib xyaw ua ke.
Kev Txom Nyem Yooj Yim thiab Project Txhawb Nqa
Octal Yeeb muabIncoloy 825 / Nickel Alloy 825 / Tsis Ua N08825Cov kav dej thiab cov leeg los ntawm cov kev tsim muaj kev tsim khoom, tag nrho cov ntaub ntawv, thiab phiaj xwm thoob ntiaj teb kev ua raws.
Txhua lub cua sov batch yog traceable, kuaj, thiab xa nrog kuaj cov dossiers tsim nyog rauEPC cov haujlwm thiab cov pob khoom siv tau tsim nyog.
Nrog ntev -} Term kev sib koom tes thiab cov kev kawm dav, octal dej ua kom tiav kev xa khoom thiab kev txhawb nqa rautshuaj, marine, thiab siab -} qhov kub sivthoob ntiaj teb.
