Inconel 601 vs 602 - Qhov txawv yog dab tsi
Vim qhov sib ntxiv ntawm txhuas (Al), Inconel 601 nthuav tawm zoo heev -kub oxidation tsis kam, ua rau nws zoo tagnrho rau siv rau hauv qhov cub thiab kilns. Inconel 602 (feem ntau 602CA), ntawm qhov tod tes, muaj ntau dua cov npib tsib xee (Ni), chromium (Cr), thiab titanium (Ti), uas ua rau muaj kev nkag siab zoo dua, tiv thaiv sulfidation, thiab tiv thaiv kom tsis txhob muaj huab cua corrosion. Yog li ntawd, nws yog qhov tsim nyog rau kev lag luam petrochemical thiab cov tshuab tso pa uas xav tau kev ua haujlwm hnyav, tshwj xeeb tshaj yog nyob rau hauv hnyav, sulfur - nplua nuj, lossis qis - oxygen ib puag ncig. Hauv luv luv, 601 yog qhov tsim nyog rau kev kub siab / oxidizing ib puag ncig, thaum 602 yog qhov tsim nyog rau kev xav tau tshuaj lom neeg / sulfidizing ib puag ncig.
Puas yog Inconel 600 xeb?
Cov ntsiab lus siab nickel nyob rau hauv cov tshuaj muaj pes tsawg leeg ntawm INCONEL 600 alloy ua rau nws tiv thaiv corrosion los ntawm ntau yam organic thiab inorganic tebchaw thiab ua rau nws yuav luag tsis muaj zog tiv thaiv chloride kev nyuaj siab corrosion cracking.
Inconel 601 yog npib tsib xee-chromium- hlau alloy muaj zog thiab tiv thaiv ntawm qhov kub thiab txias los ntawm kev sib ntxiv ntawm txhuas. Nws cov yam ntxwv tseem ceeb yog nws qhov tshwj xeeb tsis kam rau oxidation, carburization, thiab sulfidation ntawm huab cua kub txog li 1250 degree, thaum tuav tau zoo heev - kub lub zog thiab thermal stability. Nws yog tsim los rau cov ntawv thov uas yuav tsum tau ntev - lub sij hawm raug rau siab - kub corrosive cua, xws li siab - cov khoom siv kho cua sov, cov khoom siv hluav taws xob, cov tshuab hluav taws xob combustion, petrochemical cracking tubes, thiab aerospace kub- cov khoom siv kawg. Nws yog tshwj xeeb tshaj yog haum rau hnyav tej yam kev mob uas muaj xws li alternating oxidation thiab txo, ua rau nws yog ib tug saum toj kawg nkaus -tier cov ntaub ntawv rau kev daws teeb meem siab - kub oxidation thiab thermal qaug zog.
Inconel 602 yog npib tsib xee -chromium- hlau alloy ntxiv dag zog rau ultra- kub kub los ntawm kev sib ntxiv ntawm cov qib siab dua ntawm txhuas thiab yttrium. Nws cov yam ntxwv tseem ceeb yog nws qhov kev tsis sib haum xeeb rau oxidation, carburization, thiab sulfidation ntawm huab cua kub txog li 1300 degree, thaum tswj kev nkag tau zoo heev thiab siab - kub stability. Nws yog tsim los rau ultra-siab- kub kho cua sov rauv, muaj combustion systems, petrochemical cracking units, thiab aerospace kub{10}}kawg Cheebtsam uas yuav tsum tau ntev{11}}lub sij hawm raug rau oxidizing loj heev{12}}txo cua sov thiab thermal cycling. Nws ua tau zoo nyob rau hauv kev tiv thaiv thermal cycling qaug zog thiab siab -kub corrosion, ua rau saum toj kawg nkaus -tier cov ntaub ntawv rau qhov siab tshaj plaws siab tshaj - kub.
Cov tshuaj muaj pes tsawg leeg ntawm Inconel 601 thiab Inconel 602
| Element | Inconel 601 (UNS N06601) | Inconel 602 (UNS N06025) Cov. |
|---|---|---|
| Nickel (Ni) | 58.0 – 63.0 % | Ntau dua lossis sib npaug li 60.0% |
| Chromium (Cr) | 21.0 – 25.0 % | 24.0 – 26.0 % |
| Hlau (Fe) | Tshuav | 8.0 – 11.0 % |
| Aluminium (Al) | 1.0 – 1.7 % | 1.8 – 2.4 % |
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.10% | 0.15 – 0.25 % |
| 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 lossis sib npaug li 1.0% | Tsawg dua lossis sib npaug li 0.50% |
| Titanium (Ti) | Tsawg dua lossis sib npaug li 0.15% | – |
| Zirconium (Zr) | – | 0.01 – 0.10 % |
| Yttrium (Y) | – | 0.05 – 0.12 % |
| 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 0.020% |
Mechanical zog ntawm Inconel 601 thiab Inconel 602
| Khoom | Inconel 601 (Annealed) | Inconel 602 (Annealed) |
|---|---|---|
| Tensile zog (MPa, min) | 655 – 895 | 650 – 850 |
| Yield zog (0.2% Offset, MPa, min) | 345 | 300 – 400 |
| Elongation (% hauv 50 hli, min) | 30 | 30 |
| Hardness (Rockwell B) | 95 HRB max | 85-100 IB |
| Hardness (Brinell HB) | 150-220 HB | 150-210 HB |
| Qhov ceev (g / cm³) | 8.11 | 7.95 |
| Melting Range (zeeg) | 1300 – 1370 | 1350 – 1380 |
| Modulus ntawm Elasticity (GPa) | 210 | 205 |
| Qhov Kev Pab Cuam Siab Tshaj Plaws (Nruam, Hauv Huab Cua) | ~ 1250 degree | ~ 1200 degree |
| Thermal conductivity (W / m·K, ntawm 20 degree) | 11.2 | 10.5 |
| Coefficient ntawm Thermal Expansion (× 10⁻⁶ / K, 20-100 degree) | 12.6 | 13.0 |
| Creep Resistance | Zoo heev | Zoo heev |
| Oxidation Resistance | Zoo heev (siab Al) | Tshwj xeeb (Al + Y / Zr) |
| Carburization Resistance | Zoo | Zoo heev |
| Thermal Fatigue Resistance | Zoo | Zoo heev |
| Impact Toughness (Charpy V-Notch, J) | Zoo | Zoo |
Corrosion Resistance:
Ib qho tseem ceeb tshaj plaws thaum xaiv ib qho Inconel alloy yog nws cov corrosion kuj. Inconel 601 paub txog nws zoo heev corrosion kuj nyob rau hauv ntau qhov chaw, nrog rau acidic ib puag ncig. Nws muaj pes tsawg leeg, uas suav nrog txhuas, ua rau nws tshwj xeeb tshaj yog haum rau sulfur- nplua nuj ib puag ncig. Ntawm qhov tod tes, Inconel 602 muaj qhov tsis zoo corrosion kuj piv rau Inconel 601.
Kev kho cua sov:
Ib qho tseem ceeb ntawm txhua qhov siab -kub alloy yog nws lub peev xwm los tiv thaiv thermal cycling. Inconel 601 nthuav tawm cov cua kub zoo heev, muaj peev xwm tiv taus kub txog 1150 degree. Nws kuj tseem tuaj yeem ua tau yooj yim welded siv cov txheej txheem ib txwm ua, ua rau nws yog ib qho kev xaiv rau kev tsim khoom nyob rau hauv siab - qhov kub thiab txias. Hauv qhov sib piv, Inconel 602 muaj peev xwm kho cua sov tsawg thiab tsis pom zoo rau cov ntawv thov kub siab -.
Inconel 601 thiab 602 Daim ntawv thov sib piv
Muab qhov sib txawv no, Inconel 601 thiab 602 txhua tus muaj lawv qhov chaw thov tshwj xeeb. Inconel 601 feem ntau yog siv nyob rau hauv siab - qhov kub ntawm lub cub tawg Cheebtsam, cov khoom siv kho cua sov, thiab lwm yam kev siv hauv kev lag luam uas xav tau kev tiv thaiv oxidation siab heev. Nws tuav nws cov qauv kev ncaj ncees txawm tias qhov kub thiab txias, ua rau nws yog qhov kev xaiv txhim khu kev qha hauv cov kev xav tau no.
Ntawm qhov tod tes, Inconel 602 yog qhov tsim nyog rau cov ntawv thov uas xav tau oxidation thiab sulfidation tsis kam. Cov hlau no feem ntau pom muaj nyob rau hauv cov khoom siv petrochemical, cov tshuab tso pa tawm, thiab lwm qhov chaw feem ntau raug txo qis hauv huab cua thiab sulfide ib puag ncig.
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