Qhov sib txawv ntawm Inconel 690 thiab Inconel 600
Qhov sib txawv ntawm Inconel 690 thiab Inconel 600
Qhov sib txawv tseem ceeb yog tias Inconel 690 yog siab -chromium version ntawm Inconel 600, tsim los muab kev tiv thaiv zoo tshaj rau kev ntxhov siab corrosion tawg (SCC) thiab kev xeb dav dav hauv ib puag ncig tshwj xeeb. Inconel 690 muaj cov ntsiab lus chromium ntau dua (27-31%) thiab qis dua cov ntsiab lus nickel tsawg (58%); thaum Inconel 600 muaj cov ntsiab lus nickel ntau dua (tsawg kawg 72%) thiab cov ntsiab lus chromium qis (14-17%).
Qhov txawv ntawm Inconel 600 thiab Inconel 625 yog dab tsi?
Inconel 625 alloy muaj cov ntsiab lus chromium ntau dua li Inconel 600 alloy. Chromium cov ntsiab lus yog qhov tseem ceeb ntawm kev txiav txim siab oxidation tsis kam ntawm cov hlau. Yog li ntawd, Inconel 625 muaj oxidation zoo dua li Inconel 600.
Chemical Composition Comparison: Inconel 600 vs Inconel 690 (wt.%)
| Element | Inconel 600 (Standard / Hom) | Inconel 690 (Standard / Hom) | Qhov tseem ceeb sib txawv / cuam tshuam |
|---|---|---|---|
| Nickel (Ni) | Yam tsawg kawg nkaus: 72.0% Yam:Bal. |
Yam tsawg kawg nkaus: 58.0% Yam:Bal. |
Thawj qhov sib txawv . 690 tau qis dua Ni cov ntsiab lus kom haum rau siab dua Cr. |
| Chromium (Cr) | Ntau yam: 14.0 - 17.0% Yam: ~15.5% |
Ntau yam: 27.0 - 31.0% Yam: ~29% |
Qhov tseem ceeb sib txawv.690's ntau dua Cr cov ntsiab lus muab qhov zoo tshaj plaws oxidation thiab corrosion kuj, tshwj xeeb tshaj yog tiv thaiv SCC. |
| Hlau (Fe) | Qhov siab tshaj plaws: 6.0 - 10.0% Yam: 6-10% |
Qhov siab tshaj plaws: 7.0 - 11.0% Yam: 8-11% |
Zoo sib xws, me ntsis siab dua nyob rau hauv 690 kom sib npaug cov muaj pes tsawg leeg nrog tsawg Ni. |
| Manganese (Mn) | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 1.00% | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.50% | Kev tswj nruj dua hauv 690 kom txhim kho metallurgical stability. |
| Copper (Cu) | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.50% | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.50% | Cov kev txwv qis zoo sib xws kom tsis txhob muaj kev puas tsuaj rau hauv ib puag ncig corrosive. |
| Silicon (Si) | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.50% | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.50% | Cov kev txwv zoo sib xws. |
| Cov pa roj carbon (C) | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.15% Yam: 0.05-0.10% |
Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.05% Yam:Tsawg dua lossis sib npaug li 0.02% |
Feem ntau qis dua hauv 690, tshwj xeeb tshaj yog rau cov ntawv siv nuclear, txhawm rau txhim kho kev tawm tsam rau kev nkag siab thiab kev tawm tsam intergranular. |
| Sulfur (S) | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.015% | Qhov siab tshaj plaws:Tsawg dua lossis sib npaug li 0.015% | Zoo sib xws tsis tshua muaj kev txwv rau kub workability thiab purity. |
| Aluminium (Al) | Qhov siab tshaj plaws:Tsawg dua los yog sib npaug li 0.30% (Hom) | Qhov siab tshaj plaws:Tsawg dua los yog sib npaug li 0.50% (Hom) | Me ntsis nyiaj pub dawb hauv 690. |
| Titanium (Ti) | Qhov siab tshaj plaws:Tsawg dua los yog sib npaug li 0.30% (Hom) | Qhov siab tshaj plaws:Tsawg dua los yog sib npaug li 0.50% (Hom) | Me ntsis nyiaj pub dawb hauv 690. |
Mechanical Properties Comparison: Inconel 600 vs Inconel 690
| Khoom | Qhov xwm txheej | Inconel 600 | Ib 690 | Lus Cim / Qhov Tseem Ceeb Qhov txawv |
|---|---|---|---|---|
| Tensile zog | Chav ntsuas kub | Ntau dua lossis sib npaug rau 550 MPa (80 ksi)(Hom: 620-690 MPa) | Ntau dua lossis sib npaug rau 550 MPa (80 ksi)(Hom: 620-720 MPa) | Yam tsawg kawg nkaus uas yuav tsum tau muaj zoo sib xws . 690 feem ntau nthuav tawm me ntsis siab dua lub zog vim yog cov tshuaj muaj zog ntxiv los ntawm cov ntsiab lus Cr siab dua. |
| Yield zog (0.2% Offset) | Chav ntsuas kub | Ntau dua lossis sib npaug rau 240 MPa (35 ksi)(Hom: 270-350 MPa) | Ntau dua lossis sib npaug rau 240 MPa (35 ksi)(Hom: 280-380 MPa) | Qhov tsawg kawg nkaus zoo sib xws . 690 feem ntau muaj 20-50 MPa siab dua yield zog nyob rau hauv cov mob annealed. |
| Elongation | Chav ntsuas kub | Ntau dua lossis sib npaug li 30%(Tswj: 40-55%) | Ntau dua lossis sib npaug li 30%(Tswj: 45-60%) | Ob lub alloys pom zoo ductility . 690 tuaj yeem tswj tau me ntsis elongation dua txawm tias nws lub zog ntau dua. |
| Hardness (Annealed) | Chav ntsuas kub | RB 65 - RB 90(Siv: RB 75-85) | RB 65 - RB 90(Siv: RB 80-90) | Hom hardness ntau yam zoo sib xws, nrog 690 tending mus rau qhov kawg siab dua. |
| Creep zog | Kub kub (piv txwv li, 650℃/ 1200℃F) | Zoo | Zoo heev | Qhov tseem ceeb sib txawv.690's superior Cr cov ntsiab lus muab kev tiv thaiv zoo dua rau kev nkag mus deformation thiab rupture nyob rau hauv kev ntxhov siab ntawm qhov kub thiab txias, tshwj xeeb tshaj yog nyob rau hauv oxidizing ib puag ncig. |
| Siab -Tsub Muaj Zog | Mus txog 1095℃(2000℃F) | Zoo oxidation tsis kam, tab sis lub zog txo qis dua ~ 870℃(1600℃F) | Zoo heev oxidation tsis kam, tuav lub zog muaj txiaj ntsig rau ~ 980℃(1800℃F) | 690's siab dua Cr tsim muaj qhov ruaj khov thiab tiv thaiv oxide nplai, muab kev thauj khoom zoo dua - muaj peev xwm ntawm qhov kub thiab txias. |
| Kev qaug zog | Chav ntsuas kub | Zoo heev | Zoo heev | Ob leeg alloys muaj kev qaug zog zoo heev. Nyob rau hauv ib puag ncig corrosive, 690's superior SCC kuj txhais tau zoo dua corrosion- qaug zog ua haujlwm. |
| Modulus ntawm Elasticity | Chav ntsuas kub | 207 GPa (30 x 10^6 psi) | 210 GPa (30.5 x 10^6 psi) | Yeej tseem zoo tib yam. |
Sib piv: Inconel 600 vs. Inconel 690
| Feature | Inconel 600 | Ib 690 |
|---|---|---|
| Cov ntsiab lus tseem ceeb ntawm Nickel | Tsawg kawg 72% | Tsawg kawg 58% |
| Chromium Cov ntsiab lus | 14-17% | 27-31% |
| Corrosion Resistance | Zoo heev corrosion kuj, tab sis tuaj yeem raug kev nyuaj siab corrosion cracking (SCC) | Superior resistance to SCC thiab general corrosion nyob rau hauv siab -kub aqueous ib puag ncig (xws li, nuclear chav generators) |
| Cov ntawv thov tseem ceeb | Chemical processing, furnace Cheebtsam, nuclear engineering | Nuclear steam generators, pickling kev ua haujlwm, reprocessing ntawm nuclear fuels |
| Kev loj hlob | Tus qauv, dav dav - lub hom phiaj alloy | Tsim los ntawm Inconel 600 los hais txog nws cov kev txwv hauv qee qhov kev siv corrosive, tshwj xeeb yog SCC |
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