Zitsulo zosapanga dzimbiri zimabwera m'magiredi ambiri, chilichonse chimapangidwa kuti chipereke mawonekedwe ake enieni. Mwa iwo,440C chitsulo chosapanga dzimbiriimaonekera ngati ahigh-carbon, high-chromium martensitic chitsulo chosapanga dzimbiriwodziwika chifukwa chakekuuma kwambiri, kukana kuvala, komanso kukana dzimbiri. Amagwiritsidwa ntchito kwambiri pamapulogalamu apamwamba kwambiri pomwe kusungika m'mphepete, mphamvu, ndi kulimba ndizofunikira.
Timafufuza zamawonekedwe, makina, ndi momwe amagwiritsidwira ntchitowa 440C zitsulo zosapanga dzimbiri. Kaya mumagwira nawo ntchito yopanga mafakitale, kupanga, kugwiritsa ntchito zida, kapena kupanga zida zachipatala, nkhaniyi ipereka chidziwitso chofunikira chifukwa chake 440C chitsulo chosapanga dzimbiri ndi chisankho chodziwika bwino pamagwiritsidwe ntchito ambiri.
At sakysteel, timakhazikika popereka zitsulo zosapanga dzimbiri za 440C zamtundu wamtundu ndi makulidwe osiyanasiyana, kukwaniritsa zosowa zamafakitale padziko lonse lapansi. ContactsakysteelThandizo la akatswiri, kufufuza kodalirika, ndi mayankho azinthu zogwirizana.
1. Kodi 440C Stainless Steel ndi chiyani?
440C chitsulo chosapanga dzimbirindi amartensitic chitsulo chosapanga dzimbiri aloyindi misinkhu yapamwamba yacarbon ndi chromium. Ndi gawo la mndandanda wa 400 ndipo ndi gawo losagwira dzimbiri pakati pa zitsulo zosapanga dzimbiri 440 (440A, 440B, ndi 440C).
Mapangidwe Okhazikika a 440C:
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Mpweya (C)0.95% - 1.20%
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Chromium (Cr)16.0% - 18.0%
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Manganese (Mn)≤ 1.0%
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Silicon (Si)≤ 1.0%
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Molybdenum (Mo): Zosankha m'mabaibulo ena kuti muwonjezere kulimba
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Nickel (Ndi): Tsatani ndalama
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Chitsulo (Fe): Kusamala
Izi zimapangitsa kuti 440C ifikekuuma kwakukulu (mpaka 60 HRC)ikatenthedwa, ikuperekabe kukana kwa dzimbiri.
2. Makhalidwe Ofunika a 440C Stainless Steel
a) Kulimba Kwambiri ndi Mphamvu
Mukatenthedwa bwino, 440C imatha kukwaniritsaKuuma kwa Rockwell pakati pa 58 mpaka 60 HRC, kupangitsa kuti ikhale imodzi mwazitsulo zolimba kwambiri zosapanga dzimbiri. Izi zimapangitsa kuti zikhale zoyenera:
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Zida zodulira
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Kubereka zigawo
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Zigawo zolondola
b) Kuvala Kwabwino Kwambiri ndi Kukaniza Abrasion
Chifukwa cha kuchuluka kwa carbon,440Camasonyezakukana kwambiri kuvala pamwamba, kupindika kwa m'mphepete, ndi kutopa kwamakina - koyenera kwa mapulogalamu otsetsereka kapena kuzungulira.
c) Kukana kwabwino kwa Corrosion
Ngakhale kuti 440C siichita dzimbiri ngati zitsulo zosapanga dzimbiri 300, 440C imachita bwino m'malo owononga pang'ono kapena pang'ono. Ikhoza kukana:
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Chinyezi
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Zakudya zidulo
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Mankhwala ofatsa
Komabe, zili chonchoosavomerezekakwa madzi am'madzi kapena okwera-chloride popanda chithandizo choyenera chapamwamba.
d) Maginito ndi Kutentha-Kuchiza
440c ndimaginitom'mikhalidwe yonse ndipo ikhoza kukhalawowumitsidwa mwa muyezo kutentha mankhwala, kupangitsa kuti ikhale yosavuta kusinthira pamakina osiyanasiyana komanso kapangidwe kake.
3. Zida Zamagetsi za 440C
| Katundu | Mtengo (Wanthawi zonse, Woumitsa) |
|---|---|
| Kulimba kwamakokedwe | 760 - 1970 MPa |
| Zokolola Mphamvu | 450 - 1860 MPa |
| Elongation pa Break | 10 - 15% |
| Kulimba (Rockwell HRC) | 58-60 |
| Modulus of Elasticity | ~200 GPA |
| Kuchulukana | 7.8g/cm³ |
Makhalidwewa amatha kusiyanasiyana malinga ndi chithandizo cha kutentha ndi kupanga.
4. Njira Yochizira Kutentha
Kuchita kwa 440C chitsulo chosapanga dzimbiri ndikwambiri kumatheka kudzera kutentha mankhwala. Ndondomekoyi imaphatikizapo:
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KuwumitsaKutenthetsa mpaka 1010–1065°C (1850–1950°F)
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Kuzimitsa: Mafuta kapena mpweya kuzimitsa kuumitsa zinthu
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Kutentha: Nthawi zambiri amatenthedwa pa 150-370 ° C (300-700 ° F) kuti achepetse brittleness ndikuwonjezera kulimba
Mawonetsero otenthedwa ndi 440Cpazipita kuuma ndi kwambiri makina mphamvu, zomwe ndizofunikira pazida zolondola komanso zodula.
5. Ntchito Wamba za 440C Stainless Steel
Chifukwa cha kuuma kwake kwapadera, kukana kuvala, komanso kukana kwa dzimbiri pang'onopang'ono, 440C imapezeka m'mitundu yosiyanasiyana yofunikira:
a) Zida Zodulira
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Opaleshoni masamba
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Lumo
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Mipeni ya mafakitale
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Mkasi
b) Ma Bearings ndi Ma Valve Components
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Zovala za mpira
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Mipando ya valve ndi zimayambira
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Zovala za singano
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Pivot pini
c) Zamlengalenga ndi Chitetezo
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Zigawo zoyendetsa ndege
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Zikhomo zamapangidwe
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Zida ndi zida zamfuti
d) Zida Zachipatala
440C's biocompatibility ndi kuthekera kosunga m'mphepete lakuthwa kumapangitsa kuti ikhale yoyenera:
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Zida zamano
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Zida zopangira opaleshoni
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Ma implants a mafupa (osakhalitsa)
e) Makampani a Mold ndi Die
Kukana kwake kuvala kumapangitsa kukhala koyenera:
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pulasitiki jekeseni nkhungu
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Kupanga kufa
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Zida zigawo
sakysteelamapereka 440C zitsulo zosapanga dzimbiri m'mapepala, mbale, ndodo, ndi mipiringidzo kwa izi ndi ntchito zina. Ndi kutsatiridwa kwathunthu ndi chitsimikizo chaubwino,sakysteelimatsimikizira magwiridwe antchito apamwamba pama projekiti ofunikira.
6. Zochepa za 440C Stainless Steel
Ngakhale 440C ndi zinthu zogwira ntchito kwambiri, sizoyenera pazochitika zilizonse:
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Kulimbana ndi dzimbiri ndikochepam'malo am'madzi kapena okhala ndi chloride
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Pansi kulimbapoyerekeza ndi masukulu austenitic
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Itha kukhala yolimbapa kuuma kwapamwamba kwambiri pokhapokha mutapsa mtima
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Kupanga makina kungakhale kovutamu mkhalidwe wowumitsidwa
Pazinthu zomwe zimafuna kulimba kwambiri kapena kukana dzimbiri, zitsulo zosapanga dzimbiri 316 kapena duplex zitha kukhala njira zina zabwinoko.
7. Zosankha Zomaliza Pamwamba
Chitsulo chosapanga dzimbiri cha 440C chimatha kuperekedwa pazomaliza zosiyanasiyana, kutengera zofunikira pakumaliza:
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Annealed: Kwa makina osavuta ndi kupanga musanawumitse
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Pansi kapena kupukutidwa: Kwa zokongoletsa kapena magwiridwe antchito mwatsatanetsatane
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Wowumitsidwa ndi kupsya mtima: Za zida ndi ntchito zovala
At sakysteel, timaperekamakonda pamwamba amamaliza ndi miyesokwa 440C zitsulo zosapanga dzimbiri kuti zigwirizane ndi zosowa zamakasitomala.
8. 440C vs Zitsulo Zina Zosapanga dzimbiri
| Gulu | Kuuma | Kukaniza kwa Corrosion | Mapulogalamu |
|---|---|---|---|
| 304 | Zochepa | Zabwino kwambiri | Kagwiritsidwe ntchito kamangidwe |
| 316 | Zochepa | Wapamwamba | Marine, chakudya, pharma |
| 410 | Wapakati | Wapakati | Zida zoyambira, zomangira |
| 440C | Wapamwamba | Wapakati | Zida zolondola, zonyamula |
440C ndichovuta kwambirindi ambiriosavalapakati pa izi, ngakhale ndi kukana kutsika pang'ono kwa dzimbiri.
Mapeto
440C chitsulo chosapanga dzimbirindi kusankha pamwamba pamenekuuma kwapadera, kukana kuvala, komanso kukana dzimbiri pang'onozofunika. Amagwiritsidwa ntchito kwambiri m'mafakitale kuyambira pazamlengalenga ndi magalimoto mpaka zamankhwala ndi zida. Kukhoza kwake kuumitsidwa mpaka kufika pamlingo wokulirapo ndikusunga chitetezo chokwanira cha dzimbiri kumapangitsa kukhala imodzi mwazambirizitsulo zosapanga dzimbiri za martensitickupezeka.
Kumvetsetsa mawonekedwe ake kumalola mainjiniya ndi ogula kuti azisankha zinthu zabwino kwambiri zokhalitsa, zogwira ntchito kwambiri.
Kwa zitsulo zosapanga dzimbiri za 440C zokhala ndi ziphaso zonse ndi ntchito zowonjezera mtengo monga kudula, kupukuta, ndi chithandizo cha kutentha,sakysteelndi wothandizira wanu wodalirika. Contactsakysteellero kuti mutenge mtengo kapena kukambirana zomwe mukufuna polojekiti yanu.
Nthawi yotumiza: Jul-28-2025