Rau siab - kub, siab - kev nyuaj siab kev lag luam ib puag ncig, nickel-raws li superalloys yog cov khoom nyiam rau Gnee Steel. Ntawm lawv,INCONEL 617 thiab INCONEL 718yog cov neeg nyiam tshaj plaws, ob qho tib si muaj npe nrov rau lawv lub zog tshwj xeeb, oxidation tsis kam, thiab corrosion kuj.
Txawm hais tias lawv koom nrogINCONEL hlautsev neeg, lawv cov yam ntxwv ua tau zoo thiab cov ntsiab lus alloying sib txawv heev.TIAB SA 617yog optimized rau siab -kub lub zog thiab oxidation kuj, thaumTIAB SA 718ua tiav lub zog zoo heev los ntawm cov txheej txheem nag lossis daus hardening ntawm nruab nrab mus rau qhov kub thiab txias.
Kab lus no muab ib qho kev sib piv ntawmInconel 617 thiab 718, qhia txog lawv cov muaj pes tsawg leeg, cov khoom, cov ntawv thov, thiab cov txheej txheem xaiv.
Cov ntsiab lus sib piv ntawm Inconel 617 thiab Inconel 718
Cov ntsiab lus sib piv ntawm Inconel 617 thiab Inconel 718
Inconel 617 thiab 718 yog siab -kev ua tau zoo npib tsib xee-raws li superalloys tsim los rau qhov chaw huab cua, tab sis lawv qhov sib txawv tseem ceeb nyob hauv lawv qhov kub thiab txias thiab kev siv zog. Inconel 617 yog ib qho kev daws teeb meem zoo- ua kom muaj zog alloy nrog kev nkag siab zoo thiab ruaj khov, thiab tuaj yeem ua haujlwm ntawm qhov kub txog li 1100℃(xws li, rau cov khoom siv hluav taws xob). Inconel 718 yog nag lossis daus{12}} muaj zog alloy nrog lub zog zoo heev ntawm qhov kub thiab txias (txog 650 degree) thiab feem ntau yog siv hauv cov tshuab aerospace.
Qhov zoo ntawm Inconel 718 yog dab tsi?
Inconel 718 yog lub siab -lub zog, corrosion{2}}resistant nickel-raws li superalloy. Nws muaj cov khoom siv kho tshuab zoo heev, siab - qhov kub thiab txias, thiab tiv thaiv oxidation thiab corrosion. Inconel 718 yog dav siv nyob rau hauv ntau yam lag luam, xws li aerospace, roj thiab roj, tsheb, thiab lub zog tsim.
1. Inconel 617 thiab 718 Txheej txheem cej luam
Inconel 617 - Zoo heev -Kev Ua Haujlwm Kub
Inconel 617 yog npib tsib xee-chromium-cobalt- molybdenum alloy tsim los muab lub zog zoo thiab oxidation tsis kam ntawm qhov kub txog li 1100 degree. Nws yog ib qho kev daws teeb meem ntxiv dag zog rau alloy, txhais tau tias nws lub zog los ntawm kev faib tawm ntawm cov hlau alloying hauv cov nickel matrix, es tsis yog nag lossis daus.
Qhov no ua rau Inconel 617 zoo tagnrho rau cov roj turbines, tshav kub exchangers, thiab hloov kho, qhov ntev -lub sij hawm stability thiab oxidation kuj tseem ceeb heev.
Inconel 718 - Siab -Ntaus alloy
Inconel 718 yog npib tsib xee -chromium- hlau alloy ntxiv dag zog nrog niobium thiab molybdenum, thiab fortified nrog titanium thiab txhuas. Nws yog nag lossis daus - txhawb zog siab - kub alloy tsim los muab lub zog zoo thiab zoo dua weldability ntawm qhov kub txog li 700℃.
Inconel 718 yog dav siv nyob rau hauv aerospace, lub zog tsim, thiab roj thiab roj kev lag luam, tshwj xeeb tshaj yog nyob rau hauv cov khoom uas yuav tsum tau muaj zog qaug zog thiab tsis kam mus rau kev nyuaj siab puas.
2. Kev sib piv ntawm cov tshuaj muaj pes tsawg leeg (qhov hnyav feem pua) ntawm inconel 617 thiab inconel 718
| Element | INCONEL 617 (%) | INCONEL 718 (%) |
|---|---|---|
| Nickel (Ni) | Qhov nyiaj tshuav (≈ 44.5) | 50.0 – 55.0 |
| Chromium (Cr) | 20.0 – 24.0 | 17.0 – 21.0 |
| Cobalt (zeeg) | 10.0 – 15.0 | Tsawg dua los yog sib npaug rau 1.0 |
| Molybdenum (hli) | 8.0 – 10.0 | 2.8 – 3.3 |
| Niobium (Nb + Ta) | - | 4.75 – 5.50 |
| Hlau (Fe) | Tsawg dua los yog sib npaug rau 3.0 | Balance (>18%) |
| Aluminium (Al) | 0.8 – 1.5 | 0.2 – 0.8 |
| Titanium (Ti) | Tsawg dua lossis sib npaug li 0.6 | 0.6 – 1.15 |
| Cov pa roj carbon (C) | 0.05 – 0.15 | Tsawg dua lossis sib npaug li 0.08 |
Qhov txawv tseem ceeb
TIAB SA 617muaj cobalt thiab ntau molybdenum, ua rau nws yog ib yam khoom uas zoo heev - kub oxidation kuj thiab creep kuj.
TIAB SA 718siv niobium, titanium, thiab txhuas, thiab tuaj yeem ua tiav lub zog siab heev ntawm qhov kub thiab txias los ntawm nag lossis daus hardening.
3. Kev sib piv ntawm cov khoom siv kho tshuab ntawm Inconel 718 thiab Inconel 617
| Khoom | TIAB SA 617 | TIAB SA 718 |
|---|---|---|
| Qhov ntom | 8.36 g / cm³ | 8.19 g / cm³ |
| Tensile zog (Room Temp) | 890 MPa ua | 1375 MPa rau |
| Yield zog (0.2% offset) | 440 MPa rau | 1100 MPa |
| Elongation | 45% | 30% |
| Hardness (HRC) | ~25 | 35–40 |
| Qhov Kev Pab Cuam Siab Tshaj Plaws | 1100 degree | 700 degree |
| Creep Resistance | Zoo heev | Nruab nrab |
| Fatigue Resistance | Zoo | Zoo heev |
Kev tsom xam:
Inconel 617 nthuav tawm kev ua tau zoo ntawm qhov kub thiab txias (txog 1100 degree).
Inconel 718 muaj zog dua thiab qaug zog ua haujlwm ntawm qhov nruab nrab mus rau qhov kub thiab txias (txog 700 degree).
4. Oxidation thiab Corrosion Resistance
PIB 617:Exhibits oxidation zoo heev thiab scaling kuj ntawm kub txog li 1100 degree.
Ua tau zoo hauv oxidizing, carburizing, thiab nitriding atmospheres.
Feem ntau siv nyob rau hauv turbine tso tshuab thiab tshuaj reactors.
PIB 718:Exhibits zoo heev corrosion kuj nyob rau hauv acidic thiab marine ib puag ncig.
Ua tau zoo tshwj xeeb nyob rau hauv chloride stress cracking tej yam kev mob.
Vim tsis ruaj tsis khov precipitates, nws tsis haum rau kev siv tas mus li saum 700 degree.
5. Cov txheej txheem kho cua sov
PIB 617:Kev daws annealing: 1175-1205 degree, cua txias.
Feem ntau cov tshuaj annealing yog siv kom tau txais kev pom zoo ductility thiab oxidation tsis kam.
Tsis muaj nag lossis daus hardening.
PIB 718:Kev kho mob: Tuav ntawm 955℃rau 1 teev, ces cua txias.
Kev laus kev kho mob: Tuav ntawm 720℃rau 8 teev, tom qab ntawd lub qhov cub txias rau 620℃thiab tuav rau 8 teev.
Ob - cov txheej txheem kev laus no tuaj yeem ua rau ' thiab ″ theem, yog li txhim kho cov khoom siv zog.
6. Kev siv ntawm INCONEL 617
INCONEL 617 qhov tshwj xeeb siab tshaj -kub tsis kam thiab oxidation kuj ua rau nws zoo tagnrho rau lub zog, tshuaj, thiab aerospace kev lag luam.
Tej kev siv
Gas turbine Cheebtsam -combustion chamber linings, hloov kav dej, thiab turbine tso casings.
Thaum tshav kub kub exchangers -rau siab -kub roj lossis chav ib puag ncig.
Petrochemical nroj tsuag -chav hloov kho cov kav dej thiab cov khoom siv hluav taws xob ua kom sov.
Aerospace –dav hlau cav afterburners thiab tso pa system.
Nuclear zog -reactor internals thiab tshav kub exchanger piping.
INCONEL 617 tus qauv ruaj khov tso cai rau kev siv sijhawm ntev - ntawm qhov kub thiab txias tshaj qhov txwv ntawm feem ntau cov alloys.
Inconel 617 thiab Inconel 718
7. Daim ntawv thov ntawm INCONEL 718
INCONEL 718 sib xyaw ua ke lub zog thiab kev tiv thaiv corrosion, ua rau nws yog ib qho ntawm cov khoom siv dav tshaj plaws siab - kub alloys hauv aerospace thiab roj thiab roj kev lag luam.
Tej kev siv
Aerospace
Dav hlau cav discs, shafts, thiab fasteners.
Turbine hniav thiab compressor Cheebtsam.
Roj thiab Roj
Cov yam ntxwv ntawm lub qhov dej, qhov valve, thiab cov cuab yeej downhole.
Lub zog tiam
Chav turbine casings thiab bolts.
Marine Engineering
Subsea fasteners thiab springs.
Khoom siv
Cryogenic tanks thiab springs rau corrosive ib puag ncig.
8. Cov qauv thiab specifications rau 718 thiab 617 alloys
| Alloy | ASTM / ASME Specifications |
|---|---|
| TIAB SA 617 | ASTM B166, B167, B168, B564 / ASME SB167 |
| TIAB SA 718 | ASTM B443 B444 B446 B637 / ASME SB637 |
9. Cov lus xaus
Ob leeg INCONEL 617 thiab INCONEL 718 yog siab -kev ua tau zoo nickel-raws li alloys, tab sis lawv muaj qhov sib txawv hauv kev siv engineering:
INCONEL 617 yog qhov zoo tagnrho rau siab -kub lub zog, oxidation tsis kam, thiab ntev - lub sij hawm kev ruaj ntseg.
INCONEL 718 yog qhov zoo- haum rau kev ua tiav lub zog siab, qaug zog tiv thaiv, thiab corrosion kuj nyob rau hauv nruab nrab - thiab siab - qhov kub thiab txias.
Nrog nws cov kev tswj xyuas zoo thiab kev tshaj tawm thoob ntiaj teb, Gnee Steel tseem muab siab - zoo INCONEL alloys rau kev lag luam nrhiav kev ua tau zoo-los ntawm aerospace turbines mus rau lub zog cog hluav taws xob hloov hluav taws xob.
Hais txog Gnee Steel
Gnee Steel yog cov chaw tsim khoom ntawm nickel-raws li alloys, suav nrog Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel 600, Inconel 625, Inconel 718, Inconel X, Inconel 718, Inconel X. 800H / HT, Incoloy 825, Monel 400, Monel K500, thiab lwm yam khoom siv kub kub. Peb tshwj xeeb hauv kev tsim khoom thiab muag khoom ntawm cov ntaub ntawv alloy. Gnee Steel cov khoom siv dav siv hauv aerospace, tshuaj, hluav taws xob tsim hluav taws xob, tsheb, nuclear zog, thiab lwm yam, thiab peb tuaj yeem muab cov khoom siv alloy customized raws li cov neeg siv khoom xav tau. Yog xav paub ntxiv txog cov nqi ntawm cov khoom siv alloy lossis customized alloy cov ntaub ntawv daws teeb meem, thov koj xav tiv tauj peb ntawm email ntawmss@gneemetal.comrau ib nqe lus.
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