Inconel 617 vs. Inconel 625: Cov hlau twg ua tau zoo dua ntawm qhov kub thiab txias?
Inconel 617 vs. Inconel 625: Cov hlau twg ua tau zoo dua ntawm qhov kub thiab txias?
Inconel 617 ua tau zoo dua ntawm qhov kub thiab txias vim nws qhov kev nkag siab zoo heev, oxidation tsis kam, thiab lub zog mus txog 1100 degree. Hauv qhov sib piv, Inconel 625 yog qhov tsim nyog rau corrosive thiab nruab nrab - qhov kub thiab txias ib puag ncig, vim nws qhov siab - qhov kub thiab txias zog txo qis dua 900℃.
Qhov siab tshaj plaws ua haujlwm kub ntawm Inconel 625 yog dab tsi?
INCONEL npib tsib xee-chromium alloy 625 (UNS N06625/W.Nr. 2.4856) yog siv dav vim nws lub zog siab, kev ua haujlwm zoo heev (suav nrog cov khoom sib koom), thiab kev tiv thaiv corrosion zoo dua. Nws qhov kev ua haujlwm kub yog los ntawm qhov kub qis mus rau 1800℃F (982 degree).
Kev sib piv tshuaj lom neeg
| Element | INCONEL 617 (%) | INCONEL 625 (%) | Muaj nuj nqi hauv Alloy |
|---|---|---|---|
| Nickel (Ni) | Qhov nyiaj tshuav (Ntau dua lossis sib npaug rau 44.5) | Tshuav (58.0 min) | Base hlau, corrosion thiab kub kuj |
| Chromium (Cr) | 20.0 – 24.0 | 20.0 – 23.0 | Txhim kho oxidation thiab scaling kuj |
| Molybdenum (hli) | 8.0 – 10.0 | 8.0 – 10.0 | Muab lub zog thiab pitting kuj |
| Cobalt (zeeg) | 10.0 – 15.0 | - | Txhim khu lub zog ntawm qhov kub thiab txias heev |
| Hlau (Fe) | Tsawg dua los yog sib npaug rau 3.0 | 5.0 max | Lub zog me me |
| Niobium (Nb + Ta) | - | 3.15 – 4.15 | Ntxiv cov khoom-kev daws teeb meem thiab nag lossis daus hardening |
| Aluminium (Al) | 0.8 – 1.5 | 0.40 max | Txhim kho oxidation tsis kam |
| Titanium (Ti) | Tsawg dua lossis sib npaug li 0.6 | 0.40 max | Pab txhawb rau stabilization thiab lub zog |
| Cov pa roj carbon (C) | 0.05 – 0.15 | 0.10 max | Nce creep rupture zog |
Mechanical Properties Sib piv
| Khoom | TIAB SA 617 | TIAB SA 625 |
|---|---|---|
| Qhov ntom | 8.36 g / cm³ | 8.44 g / cm³ |
| Tensile zog (Room Temp) | 890 MPa ua | 930mpa ua |
| Yield zog (0.2% offset) | 440 MPa rau | 450 MPa |
| Elongation | 45% | 45% |
| Hardness (Brinell) | ~ 170 HB | ~ 200 HB |
| Kev khiav hauj lwm kub txwv | Mus txog 1100 degree | Mus txog 980 degree |
| Melting Range | 1330-1380 degree | 1290-1350 degree |
INCONEL 617 tuav nws lub zog thiab ruaj khov siab tshaj 1000 degree, thaum INCONEL 625 nthuav tawm lub zog zoo heev thiab kev tiv thaiv corrosion hauv qab 980 degree.
High Temperature Performance
TIAB SA 617
Tsim tshwj xeeb rau cov ntawv thov kub siab heev -.
Vim nws cov ntsiab lus cobalt thiab txhuas, nws tuav lub zog txhua yam txawm tias siab tshaj 1000 degree.
Exhibits oxidation zoo heev thiab creep kuj nyob rau hauv huab cua los yog combustion gas ib puag ncig.
Feem ntau siv nyob rau hauv cov roj turbines, kev hloov kho, thiab cov khoom siv hluav taws xob.
TIAB SA 625
Ua tau zoo tshaj plaws hauv qhov kub thiab txias hauv qab 980 degree.
Tshaj qhov ntsuas kub no, nws lub zog txo qis dua INCONEL 617.
Haum rau nruab nrab - qhov kub thiab txias corrosive ib puag ncig, xws li cov nroj tsuag tshuaj, cov khoom siv sab nrauv, thiab cov khoom hauv nkoj.
Oxidation Resistance thiab Corrosion Resistance
Oxidation Resistance
INCONEL 617: Zoo heev oxidation kuj vim nws cov ntsiab lus chromium thiab txhuas; tsim cov oxide zaj duab xis muaj zog, tiv thaiv kev ntsuas kub txog 1100 degree.
INCONEL 625: oxidation kuj zoo heev, tab sis kev ua tau zoo txo qis dua 1000 degree.
Corrosion Resistance
INCONEL 625: Ua tau zoo nyob rau hauv aqueous, chloride, thiab acidic ib puag ncig (tshwj xeeb tshaj yog dej hiav txwv thiab tshuaj nroj tsuag).
INCONEL 617: Ua tau zoo tshaj plaws hauv oxidizing thiab carburizing cua, tab sis nws cov corrosion kuj nyob rau hauv acidic tej yam kev mob tsis zoo li 625.
Cov ntsiab lus:
Thaum tshav kub kub Resistance: Xaiv INCONEL 617; Corrosion Resistance: Xaiv INCONEL 625.
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