Cov lus piav qhia ntxaws ntxaws ntawm Inconel 600 thiab 690 nickel alloy daim hlau
Cov lus piav qhia ntxaws ntxaws ntawm Inconel 600 thiab 690 nickel alloy daim hlau
Inconel 600 thiab Inconel 690 yog npib tsib xee -chromium alloy daim hlau, tab sis Inconel 690 daim hlau tuab muaj kev tiv thaiv corrosion zoo tshaj vim lawv cov ntsiab lus chromium siab dua (kwv yees 27-31%), piv rau Inconel 600 nyias daim hlau uas muaj kwv yees li 14.7{11}% chromium Qhov no ua rau Inconel 690 daim hlau tsim nyog rau corrosive oxidizing ib puag ncig, kev nyuaj siab corrosion cracking (SCC), thiab nuclear daim ntawv thov, thaum Inconel 600 alloy phaj yog ib tug dav - lub hom phiaj siab - kub alloy. Hauv kev xav tau xws li cov tshuab hluav taws xob thiab kev ua tshuaj, Inconel 690 daim hlau feem ntau hloov Alloy 600 daim hlau. Ob lub alloys pom zoo rau qhov kub thiab txias, tab sis cov ntsiab lus chromium ntau ntxiv hauv Inconel 690 daim hlau txhim kho nws cov kev tiv thaiv corrosion rau cov kua qaub (xws li nitric / hydrofluoric acid sib tov) thiab cov dej kub kub, ua rau nws nyiam cov khoom siv rau cov tshuab hluav taws xob nuclear thiab petrochemical heaters.
Inconel 600 khoom yog dab tsi?
Inconel 600 yog npib tsib xee-chromium alloy uas pom zoo oxidation tsis kam ntawm qhov kub thiab txias thiab kuj muaj corrosion kuj zoo nyob rau hauv carburizing thiab chlorine- muaj ib puag ncig. Inconel 600 yog npib tsib xee -chromium alloy tsim los siv thoob plaws ntau qhov kub thiab txias, los ntawm qhov kub thiab txias mus rau qhov kub siab (txog 2000℃F / 1093℃).
Inconel 600 daim ntawv yog cov khoom siv phaj dov los ntawm lub siab -kev ua tau zoo nickel-chromium- hlau alloy (Inconel 600), muaj koob npe nrov rau nws lub zog zoo tuav ntawm qhov kub txog li 1150 degree, thiab superior tiv thaiv oxidation thiab chloride ion kev nyuaj siab corrosion cracking. Nws yog tshwj xeeb yog siv rau hauv kev tsim cov khoom siv hauv ob sab phlu, cov khoom siv hluav taws xob sib hloov, cov khoom siv hluav taws xob, thiab cov hlab ntsha cov tshuaj tiv thaiv uas yuav tsum tau ua haujlwm rau qhov kub thiab txias thiab ib puag ncig corrosive. Nws yog ib qho tseem ceeb ntawm cov khoom siv rau kev thov hauv tshuaj, hluav taws xob nuclear, kev kho cua sov, thiab kev lag luam aerospace, muab kev ua tau zoo dua li cov hlau tsis zoo tib yam, tab sis ntawm tus nqi siab dua thiab nrog kev ua haujlwm nyuaj dua.
Inconel 690 daim ntawv yog npib tsib xee-raws li cov ntawv alloy nrog cov ntsiab lus chromium siab (kwv yees li 29%). Nws cov txiaj ntsig tseem ceeb yog nyob rau hauv nws qhov tsis sib xws los tiv thaiv kev ntxhov siab corrosion tawg nyob rau hauv siab - kub, siab - dej xov xwm, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig uas muaj chloride ions thiab caustic alkalis, thaum tseem muaj oxidation zoo heev thiab carburization tsis kam. Nws feem ntau yog siv rau hauv qhov tseem ceeb uas yuav tsum tau muaj kev tiv thaiv corrosion siab heev thiab ntev - lub sij hawm ruaj khov, xws li chav tshuab hluav taws xob sib faib thiab cov kab hauv ob sab hauv nuclear fais fab nroj tsuag, siv cov khoom siv roj reprocessing, siab -kub cov hlab ntsha, thiab siab - lub zog alkaline ib puag ncig. Nws yog ib qho saum toj kawg nkaus -tier daim ntawv cov ntaub ntawv kev daws teeb meem los ua kom muaj kev nyab xeeb ntawm lub zog nuclear thiab kev ntseeg siab ntawm kev xav tau kev lag luam.
Cov tshuaj muaj pes tsawg leeg ntawm Inconel 600 thiab Inconel 690 alloy daim hlau
| Element | Inconel 600 Phaj (UNS N06600) | Inconel 690 Phaj (UNS N06690) |
|---|---|---|
| Nickel (Ni) | Ntau dua lossis sib npaug li 72.0% | Ntau dua lossis sib npaug li 58.0% |
| Chromium (Cr) | 14.0 – 17.0 % | 27.0 – 31.0 % |
| Hlau (Fe) | 6.0 – 10.0 % | 7.0 – 11.0 % |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.15% | Tsawg dua lossis sib npaug li 0.05% |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 1.0% | Tsawg dua lossis sib npaug li 0.50% |
| Silicon (Si) | Tsawg dua los yog sib npaug li 0.5% | Tsawg dua lossis sib npaug li 0.50% |
| Copper (Cu) | Tsawg dua los yog sib npaug li 0.5% | Tsawg dua lossis sib npaug li 0.50% |
| Aluminium (Al) | – | Tsawg dua lossis sib npaug li 0.50% |
| Titanium (Ti) | – | Tsawg dua lossis sib npaug li 0.50% |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.015% | Tsawg dua lossis sib npaug li 0.015% |
| Phosphorus (P) | – | Tsawg dua lossis sib npaug li 0.025% |
| Cobalt (zeeg) | – | Tsawg dua lossis sib npaug li 0.10% |
| Nitrogen (N) | – | Tsawg dua lossis sib npaug li 0.10% |
Lub cev muaj zog ntawm Inconel 600 thiab Inconel 690 alloy daim hlau
| Lub cev khoom | Inconel 600 Phaj | Inconel 690 Phaj |
|---|---|---|
| Qhov ceev (g / cm³) | 8.47 | 8.19 |
| Melting Range (zeeg) | 1370 – 1425 | 1343 – 1377 |
| Modulus ntawm Elasticity (GPa) | 214 | 211 |
| Thermal conductivity (W / m · K) | 14.8 (ntawm 20 degree) | 13.0 (ntawm 20 degree) |
| Coefficient ntawm Thermal Expansion (× 10⁻⁶/K) | 13.3 (20-100 degree) | 13.1 (20-100 degree) |
| Hluav taws xob tiv thaiv (μΩ·m) | 1.02 (ntawm 20 degree) | 1.18 (ntawm 20 degree) |
| Thaum tshav kub kub tshwj xeeb (J / kg·K) | 444 (ntawm 20 degree) | 450 (ntawm 20 degree) |
| Sib nqus Permeability | Feem ntau tsis yog-magnetic | Feem ntau tsis yog-magnetic |
| Poisson tus ratio | 0.29 | 0.29 |
Yog vim li cas vim li cas 690 alloy daim hlau yog superior rau Inconel 600 alloy daim hlau:
Corrosion resistance: Cov ntsiab lus siab chromium ntawm 690 alloy daim hlau muab lawv zoo dua corrosion kuj rau corrosive media, tshwj xeeb tshaj yog muaj zog oxidizing acids thiab siab - dej kub.
Kev nyuaj siab corrosion cracking: Qhov zoo heev tsis kam ntawm 690 alloy daim hlau rau kev ntxhov siab corrosion cracking ua rau lawv cov khoom zoo tagnrho rau cov tshuab hluav taws xob nuclear, qhov 600 alloy feem ntau ua tsis tau raws li qhov kev hwm no.
Daim ntawv thov hloov pauv: Inconel 690 alloy daim hlau tau hloov pauv Inconel 600 thiab 601 alloy daim hlau hauv qhov chaw hnyav hnyav, dhau los ua cov khoom siv rau kev thov hauv kev lag luam nuclear thiab tshuaj lom neeg.
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