Austenitic u'amea u'amea o se tasi o ituaiga e masani ona fa'aaogaina o u'amea u'amea i totonu o alamanuia ona o le lelei tele o le tete'e, foliga, ma mea e le maneta. Pe e te a'afia i le faufale, gaosiga o mea'ai, gaosiga o vaila'au, po'o le gaosiga o meafaigaluega fa'afoma'i, e foliga mai e te mauaina le u'amea austenitic e aunoa ma lou iloaina.
I lenei tusiga atoa, o le a matou faʻamatalainao le a le austenitic stainless steel, ona uiga autu, pe faʻafefea ona faʻatusatusa i isi ituaiga o uʻamea uʻamea, ma ona faʻaoga. Afai o oe o se tagata fa'atau mea po'o se inisinia e su'e le manino i le filifilia o le u'amea sa'o, o lenei ta'iala maisakysteelo le a fesoasoani ia te oe i le faia o filifiliga atamai.
1. Fa'amatalaga: O le a le Austenitic Stainless Steel?
Austenitic u'amea u'amea o se vaega o u'amea u'amea fa'amatalaina e lonafausaga tioata fa'atatau i foliga (FCC)., ua ta'ua o levaega austenite. O lenei fausaga e mautu i vevela uma ma e tumau pea e tusa lava pe maeʻa le malulu mai le maualuga o le vevela.
Austenitic uamea uamea ee le fa'amaneta i le tulaga fa'amaneta, mauamaualuga chromium (16–26%)manikeli (6–22%)anotusi, ma le ofosili atu le malosi o le pala, aemaise lava pe a faatusatusa i isi aiga uamea stainless.
2. Fa'asu'esu'ega o vaila'au
O mea uiga ese o austenitic stainless steel e sau mai lona vailaʻau vailaʻau:
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Chromium: E maua ai le fa'a'ele'ele ma fa'atupu ai se fa'amafu fa'asao puipui i luga.
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Nikeli: Faʻamautu le fausaga austenitic ma faʻaleleia le ductility.
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Molybdenum (filifiliga): Fa'aleleia atili le tete'e atu i pitting ma fa'a'ele'ele i totonu ole si'osi'omaga chloride.
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Nitrogen: Faʻaleleia le malosi ma le faʻafefe.
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Carbon (matua maualalo): Puleaina ina ia aloese mai timuga carbide ma faatumauina le pala.
Fa'ailoga masani e pei o le 304 ma le 316 u'amea u'amea o se vaega o lenei vaega.
3. Uiga Autu ole Austenitic Stainless Steel
1. Lelei Fa'asalaina Tetee
Austenitic u'amea u'amea e sili ona tetee atu i le tele o si'osi'omaga pala. E aofia ai le a'a o le ea, mea'ai ma meainu, ma vaila'au vaivai ma feololo.
2. Meatotino le-Maneta
I le tulaga fa'apipi'i, austenitic u'amea u'amea masani e le maneta. Ae ui i lea, o le galue malulu e mafai ona faʻaalia ai sina magnetism ona o le faʻavaeina o le martensite.
3. Lelei lelei
O nei uʻamea e mafai ona faigofie ona faʻaogaina e faʻaaoga ai auala masani masani. Atonu e mana'omia le tausiga fa'apitoa e 'alofia ai le timu carbide i nisi vasega.
4. Maualuluga Maua ma Malosi
Austenitic togi e mafai ona tusia, punou, ma faia i ni foliga eseese e aunoa ma le ta'e. Latou te faatumauina le malosi i le maualuga ma le maualalo o le vevela.
5. Leai se vevela vevela
E le pei o u'amea u'amea martensitic, o togi austenitic e le mafai ona fa'ama'a'a e ala ile vevela. E masani ona fa'ama'a'a e ala ile galue malulu.
4. Vasega masani o Austenitic Stainless Steel
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304 (UNS S30400)
E sili ona fa'aaoga lautele uamea stainless. Lelei le corrosion tetee, lelei formability, talafeagai mo le tele o alamanuia. -
316 (UNS S31600)
O lo'o iai le molybdenum mo le fa'aleleia atili o le pala, aemaise lava ile chloride si'osi'omaga pei ole gataifale po'o le gataifale. -
310 (UNS S31000)
Tete'e maualuga o le vevela, fa'aaogaina i vaega o le ogaumu ma mea fa'afefe vevela. -
321 (UNS S32100)
Fa'amautu i le titanium, e fetaui lelei mo fa'aoga maualuga-vevela lea e popole ai le timu o le carbide.
O nei togi ta'itasi e maua i ituaiga eseese e pei o laupepa, paipa, fa'amau, ma mea fa'apipi'i, ma e mafai ona tu'uina atu esakysteelmo ou mana'oga poloketi.
5. Fa'aoga o Austenitic Stainless Steel
Faʻafetai i a latou mea paleni, austenitic stainless steels e faʻaaogaina i le tele o vaega:
1. Alamanuia o Mea'ai ma Meainu
304 ma le 316 e masani ona faʻaogaina mo meaʻai gaosi meaʻai, tane, ma mea faʻapipiʻi ona o lo latou tumama ma le faʻafefe.
2. Alamanuia tau vaila'au ma vaila'au
316L e sili ona lelei mo reactors, paipa, ma valve faʻaalia i vailaʻau ona o lona tetee maualuga i chlorides.
3. Mea Fa'afoma'i ma Ta'otoga
Ona o lo latou mama ma le biocompatibility, austenitic stainless steels e faʻaaogaina mo mea faigaluega taʻavale, faʻapipiʻi, ma meafaigaluega a le falemaʻi.
4. Faufale ma Faufale
Faʻaaogaina i le faʻapipiʻiina, faʻaulu lima, facades, ma alalaupapa ona o le matagofie o le apili ma le teteʻe i le siosiomaga.
5. Taavale ma Felauaiga
O fa'aoga fa'avevela, tipi, ma vaega fa'avae e fa'amanuiaina mai le tu'ufa'atasiga o le malosi ma le fa'a'ele'ele.
6. Su'e Avela ma Fauvela
O togi maualuga e pei o le 310 o loʻo faʻaaogaina i siosiomaga maualuga-vevela ona o lo latou faʻamaʻi faʻamaʻi.
6. Fa'afefea Austenitic Fa'atusatusa ma Isi Uamea Fa'atauva'a
| Ituaiga | Fauga | Maneta | Tete'e a'e | Malosi | Fa'ailoga masani |
|---|---|---|---|---|---|
| Austenitic | FCC | No | Maualuga | No | 304, 316, 321 |
| Ferritic | BCC | Ioe | feololo | No | 430, 409 |
| Martensitic | BCC | Ioe | feololo | Ioe (e mafai ona togafitia le vevela) | 410, 420 |
| Duplex | Fa'afefiloi (FCC+BCC) | Vaega | Maualuga Maualuga | feololo | 2205, 2507 |
Austenitic u'amea u'amea o lo'o tumau pea le filifiliga sili ona fa'aogaina mo fa'amoemoega lautele ma fa'aoga e a'afia.
7. Luitau ma Manatuga
E ui lava i le tele o latou lelei, austenitic stainless steels ei ai ni nai tapulaʻa:
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Maualuga Tau: O le faʻaopoopoga o le nickel ma le molybdenum e sili atu le taugata nai lo ituaiga ferritic poʻo martensitic.
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Fa'amamafa A'a Ta'e: I lalo o nisi tulaga (maualuga le vevela ma le chloride i ai), e mafai ona tupu le ta'e a'a fa'apopoleina.
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Galuega Fa'ama'a'a: O le galue malulu e fa'atuputeleina ai le ma'a'a ma e ono mana'omia ai le fa'ama'i fa'avaitaimi ile taimi ole fa'againa.
sakysteelofo atu le lagolago fa'apitoa e fesoasoani ia te oe e filifili le vasega austenitic sa'o e fa'atatau i lou si'osi'omaga ma mana'oga fa'ainisinia.
8. Aisea e Filifili ai Austenitic Stainless Steel mai sakysteel
At sakysteel, matou te faʻapitoa i oloa maualuga austenitic stainless steel e fetaui ma tulaga faʻavaomalo e pei o ASTM, EN, JIS, ma DIN. Pe e te manaʻomia 304 uʻamea uʻamea poʻo 316L paipa mo se vailaʻau vailaʻau, matou te ofoina atu:
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Mea fa'amaonia ma lipoti su'ega 3.1/3.2 mill
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Tau fa'atauva'a ma le tu'uina atu i taimi talafeagai
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Au'aunaga tipi ma fa'agaioiga
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Fesoasoani fa'apitoa fa'apitoa e fesoasoani ile filifilia ole vasega
O matou austenitic stainless steel o loʻo faʻaaogaina e tagata faʻatau i pisinisi uma e aofia ai le gataifale, fomaʻi, petrochemical, ma le gaosiga o meaʻai.
9. Fa'ai'uga
Austenitic u'amea u'amea o le alu-i filifiliga mo talosaga e manaʻomia le tumau, teteʻe corrosion, ma foliga sili ona lelei. O lona lautele o togi ma le fegalegaleai e talafeagai ai mo mea uma mai mea umukuka e o'o atu i vaila'au fa'amalama.
Afai o lo'o e su'eina meafaitino ma mana'omia se fa'atau oloa fa'atuatuaina mo le 304, 316, po'o isi austenitic stainless grades,sakysteelua i ai iinei e lagolago lou manuia i mea aupito sili ona lelei ma auaunaga poto.
E iai pea ni fesili e uiga i austenitic stainless steel? Fa'afeso'ota'i lesakysteel'au i aso nei ma o le a matou fesoasoani ia te oe e saili le fofo sili mo lau poloketi.
Taimi meli: Iul-24-2025