Awọn irin alloy alabọde ati kekere jẹ ẹgbẹ nla ti awọn irin alloy pẹlu awọn eroja alloying (paapaa awọn eroja kemikali gẹgẹbi silikoni, manganese, chromium, molybdenum, nickel, Ejò ati vanadium) akoonu ti o kere ju 8%. Awọn simẹnti irin alloy alabọde ati kekere ni lile lile, ati awọn ohun-ini ẹrọ ti o dara le ṣee gba lẹhin itọju ooru to dara.
Awọn Itọju Itọju Ooru ti Awọn Simẹnti Alloy Alloy Kekere ati Alabọde
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| Ipele | Irin Ẹka | Awọn pato ti Itọju Ooru | |||
| Ọna itọju | Iwọn otutu / ℃ | Ọna Itutu | Lile / HBW | ||
| ZG16Mn | Manganese Irin | Deede | 900 | Itutu ni afẹfẹ | / |
| Ìbínú | 600 | ||||
| ZG22Mn | Manganese Irin | Deede | 880-900 | Itutu ni afẹfẹ | 155 |
| Ìbínú | 680-700 | ||||
| ZG25Mn | Manganese Irin | Annealing tabi tempering | / | / | 155-170 |
| ZG25Mn2 | Manganese Irin | 200 - 250 | |||
| ZG30Mn | Manganese Irin | 160-170 | |||
| ZG35Mn | Manganese Irin | Deede | 850-860 | Itutu ni afẹfẹ | / |
| Ìbínú | 560-600 | ||||
| ZG40Mn | Manganese Irin | Deede | 850-860 | Itutu ni afẹfẹ | 163 |
| Ìbínú | 550-600 | Itutu ninu ileru | |||
| ZG40Mn2 | Manganese Irin | Annealing | 870-890 | Itutu ninu ileru | 187-255 |
| Pipa | 830-850 | Itutu ninu epo | |||
| Ìbínú | 350-450 | Itutu ni afẹfẹ | |||
| ZG45Mn | Manganese Irin | Deede | 840-860 | Itutu ni afẹfẹ | 196-235 |
| Ìbínú | 550-600 | Itutu ninu ileru | |||
| ZG45Mn2 | Manganese Irin | Deede | 840-860 | Itutu ni afẹfẹ | ≥ 179 |
| Ìbínú | 550-600 | Itutu ninu ileru | |||
| ZG50Mn | Manganese Irin | Deede | 860-880 | Itutu ni afẹfẹ | 180 - 220 |
| Ìbínú | 570-640 | Itutu ninu ileru | |||
| ZG50Mn2 | Manganese Irin | Deede | 850-880 | Itutu ni afẹfẹ | / |
| Ìbínú | 550-650 | Itutu ninu ileru | |||
| ZG65Mn | Manganese Irin | Deede | 840-860 | / | 187-241 |
| Ìbínú | 600 - 650 | ||||
| ZG20SiMn | Siliko-Manganese Irin | Deede | 900-920 | Itutu ni afẹfẹ | 156 |
| Ìbínú | 570-600 | Itutu ninu ileru | |||
| ZG30SiMn | Siliko-Manganese Irin | Deede | 870-890 | Itutu ni afẹfẹ | / |
| Ìbínú | 570-600 | Itutu ninu ileru | |||
| Pipa | 840-880 | Itutu ninu epo / omi | / | ||
| Ìbínú | 550-600 | Itutu ninu ileru | |||
| ZG35SiMn | Siliko-Manganese Irin | Deede | 860-880 | Itutu ni afẹfẹ | 163-207 |
| Ìbínú | 550-650 | Itutu ninu ileru | |||
| Pipa | 840-860 | Itutu ninu epo | 196-255 | ||
| Ìbínú | 550-650 | Itutu ninu ileru | |||
| ZG45SiMn | Siliko-Manganese Irin | Deede | 860-880 | Itutu ni afẹfẹ | / |
| Ìbínú | 520-650 | Itutu ninu ileru | |||
| ZG20MnMo | Manganese Molybdenum Irin | Deede | 860-880 | / | / |
| Ìbínú | 520-680 | ||||
| ZG30CrMnSi | Chromium Manganese Silikoni Irin | Deede | 800 - 900 | Itutu ni afẹfẹ | 202 |
| Ìbínú | 400 - 450 | Itutu ninu ileru | |||
| ZG35CrMnSi | Chromium Manganese Silikoni Irin | Deede | 800 - 900 | Itutu ni afẹfẹ | ≤217 |
| Ìbínú | 400 - 450 | Itutu ninu ileru | |||
| Deede | 830-860 | Itutu ni afẹfẹ | / | ||
| 830-860 | Itutu ninu epo | ||||
| Ìbínú | 520-680 | Itutu ni air / ileru | |||
| ZG35SiMnMo | Siliko-manganese-molybdenum irin | Deede | 880-900 | Itutu ni afẹfẹ | / |
| Ìbínú | 550-650 | Itutu ni air / ileru | |||
| Pipa | 840-860 | Itutu ninu epo | / | ||
| Ìbínú | 550-650 | Itutu ninu ileru | |||
| ZG30Cr | Chrome Irin | Pipa | 840-860 | Itutu ninu epo | ≤212 |
| Ìbínú | 540-680 | Itutu ninu ileru | |||
| ZG40Cr | Chrome Irin | Deede | 860-880 | Itutu ni afẹfẹ | ≤212 |
| Ìbínú | 520-680 | Itutu ninu ileru | |||
| Deede | 830-860 | Itutu ni afẹfẹ | 229-321 | ||
| Pipa | 830-860 | Itutu ninu epo | |||
| Ìbínú | 525-680 | Itutu ninu ileru | |||
| ZG50Cr | Chrome Irin | Pipa | 825-850 | Itutu ninu epo | ≥ 248 |
| Ìbínú | 540-680 | Itutu ninu ileru | |||
| ZG70Cr | Chrome Irin | Deede | 840-860 | Itutu ni afẹfẹ | ≥ 217 |
| Ìbínú | 630-650 | Itutu ninu ileru | |||
| ZG35SiMo | Silikoni Molybdenum Irin | Deede | 880-900 | / | / |
| Ìbínú | 560-580 | ||||
| ZG20Mo | Molybdenum Irin | Deede | 900-920 | Itutu ni afẹfẹ | 135 |
| Ìbínú | 600 - 650 | Itutu ninu ileru | |||
| ZG20CrMo | Chrome-molybdenum irin | Deede | 880-900 | Itutu ni afẹfẹ | 135 |
| Ìbínú | 600 - 650 | Itutu ninu ileru | |||
| ZG35CrMo | Chrome-molybdenum irin | Deede | 880-900 | Itutu ni afẹfẹ | / |
| Ìbínú | 550-600 | Itutu ninu ileru | |||
| Pipa | 850 | Itutu ninu epo | 217 | ||
| Ìbínú | 600 | Itutu ninu ileru | |||
Awọn abuda ti Itọju Ooru ti Alabọde ati Awọn Simẹnti Alloy Alloy:
1. Alabọde ati kekere simẹnti irin alloy ni a lo julọ ni awọn ile-iṣẹ ẹrọ gẹgẹbi awọn ọkọ ayọkẹlẹ, awọn tractors, awọn ọkọ oju-irin, awọn ẹrọ ikole, ati awọn ọna ẹrọ hydraulic. Awọn ile-iṣẹ wọnyi nilo simẹnti pẹlu agbara to dara ati lile. Fun awọn simẹnti to nilo agbara fifẹ ti o kere ju 650 MPa, deede + itọju igbona otutu ni a lo ni gbogbogbo; fun alabọde ati kekere alloy irin simẹnti ti o nilo a fifẹ agbara ti o tobi ju 650 MPa, quenching + ga otutu tempering ooru itọju ti lo. Lẹhin quenching ati tempering, awọn metallurgical be ti awọn irin simẹnti ti wa ni tempered sorbite, ki o le gba ti o ga agbara ati ti o dara toughness. Bibẹẹkọ, nigbati apẹrẹ ati iwọn ti simẹnti ko dara fun piparẹ, deede + tempering yẹ ki o lo dipo quenching ati tempering.
2. O ti wa ni dara lati ṣe normalizing tabi normalizing + tempering pretreatment ṣaaju ki o to quenching ati tempering ti alabọde ati kekere alloy irin simẹnti. Ni ọna yii, ọkà gara ti simẹnti irin le jẹ isọdọtun ati aṣọ igbekalẹ, nitorinaa imudara ipa ti piparẹ ikẹhin ati itọju iwọn otutu, ati tun ṣe iranlọwọ lati yago fun awọn ipa buburu ti aapọn simẹnti inu simẹnti naa.
3. Lẹhin ti itọju quenching, awọn alabọde ati kekere alloy irin simẹnti yẹ ki o gba awọn martensite be bi o ti ṣee. Lati le ṣaṣeyọri ibi-afẹde yii, iwọn otutu pipa ati alabọde itutu yẹ ki o yan ni ibamu si ite irin simẹnti, lile, sisanra odi simẹnti, apẹrẹ ati awọn ifosiwewe miiran.
4. Ni ibere lati ṣatunṣe awọn quenching be ti awọn simẹnti, irin ati ki o imukuro awọn quenching wahala, awọn alabọde ati kekere alloy irin simẹnti yẹ ki o wa tempered lẹsẹkẹsẹ lẹhin quenching.
5. Labẹ ipilẹ ti ko dinku agbara ti awọn simẹnti irin, alabọde-carbon kekere alloy ti o ni agbara ti o ga julọ ti awọn simẹnti irin le jẹ lile. Itọju lile le mu ṣiṣu ati lile ti awọn simẹnti irin pọ si.
Iwọn otutu ati Lile ti Irin Alloy Low lẹhin Itọju Ooru QT
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| Kekere ati Alabọde Alloy Irin ite | Pipa otutu / ℃ | Iwọn otutu / ℃ | Lile / HBW |
| ZG40Mn2 | 830-850 | 530-600 | 269-302 |
| ZG35Mn | 870-890 | 580-600 | ≥ 195 |
| ZG35SiMnMo | 880-920 | 550-650 | / |
| ZG40Cr1 | 830-850 | 520-680 | / |
| ZG35Cr1Mo | 850-880 | 590-610 | / |
| ZG42Cr1Mo | 850-860 | 550-600 | 200 - 250 |
| ZG50Cr1Mo | 830-860 | 540-680 | 200 - 270 |
| ZG30CrNiMo | 860-870 | 600 - 650 | ≥ 220 |
| ZG34Cr2Ni2Mo | 840-860 | 550 -600 | 241-341 |
Akoko ifiweranṣẹ: Oṣu Keje-31-2021