Ndeupi Musiyano Uripo Pakati peSS 329 neSS316?

Kuenzanisa Kwakadzama naSAKYSTEEL

Simbi dzisina ngura dzakakosha mumaindasitiri emazuva ano, kubva kumafekitori emakemikari nekuvaka ngarava kusvika kumasisitimu emafuta negasi. Pakati pemhando dzakawanda dziripo,SS 316uyeSS 329zvinhu zviviri zvinoshandiswa kazhinji zvinowanzokonzera kuvhiringidzika pakati pevatengi nemainjiniya. Zvese zvinozivikanwa nekunaka kwazvokuramba nguraasi zvakasiyana zvakanyanya mumagadzirirwo emukati memuviri, hunhu hwemakanika, uye mashandiro.

Chinyorwa chino, chakagadzirwa naSAKYSTEL, kambani yepasi rose inotengesa simbi isingasvibi, inotsanangura zvakadzama nezvemusiyano uripo pakati peSS 329 neSS316, zvichisanganisira makemikari azvo, kuramba ngura, simba, uye mashandisirwo akakodzera. Kunzwisisa musiyano uyu kunobatsira mainjiniya nenyanzvi dzekutenga kusarudza zvinhu zvakakodzera munzvimbo dzakasiyana dzebasa.

1. Pfupiso yeSS316 Stainless Steel

SS316, inozivikanwawo seAISI 316 or UNS S31600, isimbi isina ngura inogadzirwa neausteniticNdiyo chikamu chemhuri ye300-series uye inoshandiswa zvakanyanya nekuda kwayokuramba kwakanaka kwengura, kugona kuumbwa zvakanakauyenyore kwekushongedza.

Chinhu chinotsanangura SS316 ndechemolybdenum (2–3%), izvo zvinovandudza kuramba kwengura ine makomba uye ngura yemupata, kunyanya munzvimbo dzine chloride dzakadai semvura yegungwa. SS316 inowanzonzi “simbi isina ngura yemhando yegungwa,” kunyangwe kuramba kwayo mvura ine munyu kuri pakati nepakati kana tichienzanisa ne duplex grades.

Haina simba remagetsi kana yaiswa mudenga uye inoramba yakasimba kunyangwe pakupisa kwakanyanya, zvichiita kuti ive chinhu chinoshandisika uye chakavimbika chemakemikari, chikafu, uye maindasitiri egungwa.

2. Pfupiso yeSS329 Stainless Steel

SS329, kanaUNS S32900, isimbi isina ngura mbiri, zvichireva kuti ine musanganiswa wakaenzana weaustenite (γ)uyeferrite (α)Magadzirirwo aya ane zvikamu zviviri anopa SS329 musanganiswa wakasiyana wesimba guruuyekuramba kwakanaka kwengurakunyanya kurwisakupwanya kwe chloride stress corrosion (SCC).

Ne chromium yakakwira (≈25%) uye nickel yakaderera (≈4%) ​​zvichienzaniswa ne SS316, SS329 inogona kushanda munzvimbo umo simbi dzakajairwa dze austenitic stainless steels dzakadai se316L dzingatadza kushanda.

Inoshandiswa zvakanyanya mumapuratifomu ekunze, nzvimbo dzinobvisa munyu, zvinochinja-chinja kupisa, uye mapaipi ane simba guru, uko simba remakanika uye kushanda kwengura zvakakosha.

3. Kusiyana Kwemakemikoro

Kuenzana kwemakemikari kunotsanangura mashandiro anoita simbi yega yega. Pazasi pane kupatsanurwa kuri nyore (pasina tafura, sezvakakumbirwa):

  • Kuumbwa kweSS316:16–18% Chromium, 10–14% Nickel, 2–3% Molybdenum, ine huwandu hushoma hweManganese, Silicon, uye Carbon (<0.08%).

  • Kuumbwa kweSS329:23–28% Chromium, 2.5–5% Nickel, kusvika ku1.5% Molybdenum, uye kachikamu keNitrogen kuti isimbise chimiro cheduplex.

Chinhu Chinokosha Chekudzidza:

  • SS329 inechromium yakakwira zvikuruuyenickel shoma, zvichiita kuti idzivirire ngura zvakanyanya uye iwane simba guru rekugadzira.

  • SS316, ine nickel nemolybdenum yakakwira, yakawandaductile uye inoumbwa, yakakodzera maumbirwo akaomarara uye magadzirirwo akakwenenzverwa.

4. Kuenzanisa kweMicrostructure

Musiyano mukuru uripo pakati peSS329 neSS316iri mumagadzirirwo emukati mediki:

  • SS316zvizereaustenitic, zvichireva kuti chimiro chayo chekristaro chine face-centered cubic (FCC). Izvi zvinoita kuti ive yakasimba, iite zvinhu zvisina magineti, uye inokwanisa kusveta zvakanaka.

  • SS329 is duplex, inoumbwa ne ferrite inosvika 50% uye austenite inosvika 50%. Chimiro cheferritic (cubic iri pakati pemuviri) chinowedzerasimba uye chloride inopwanyika, nepo chikamu che austenitic chichichengetedzaductility.

Nekuda kweizvi, SS329 yava kudasimba rakapetwa kaviriseSS316 asi zviri nyore kugadzira uye kugadzira muchina.

5. Zvimiro zveMichina

Kusiyana kwemakanika kwakakosha:

  • Simba reKubereka:SS316 ≈ 205 MPa, SS329 ≈ 450 MPa

  • Simba reKusimba:SS316 ≈ 515 MPa, SS329 ≈ 620 MPa

  • Kureba:SS316 ≈ 40%, SS329 ≈ 25%

Izvi zvinorevaSS329inopa simba rakawanda rekutakura mutoro uye kuramba kuneta, zvichiita kuti ive yakakodzeramidziyo yekumanikidza uye zvikamu zvekunze kwegungwa. SS316, kune rumwe rutivi, inopa kuchinjika kukuru, kupedzisa pamusoro zviri nani, uye kushanda zviri nyore kutonhora pakushandisa zvinhu zvekushongedza kana zvisinganyanyi kushushikana.

6. Kuenzanisa Kuramba Kuora

Magiredhi ese ari maviri haapindi ngura, asinharaunda dzakasiyana:

a) Kuora kweChloride Stress

  • SS316 inogona kutsemuka kana yakabatwa nechloride kwenguva yakareba pakupisa kwakanyanya.

  • SS329 inodzivirira kuputika kwe chloride stress corrosion, zvichiita kuti ikodzere kushandiswakushandiswa kwemvura yegungwa nemunyu.

b) Kupwanyika kwegomba uye Kuora kwemupata

  • Molybdenum yeSS316 inovandudza kusimba kwehuni, asi inosvika pamazinga echloride ari pakati nepakati (≈300 ppm).

  • SS329 inoshanda zvirinani kunyangwe muhuwandu hwakawanda hwe chloride nekuda kwehuwandu hwayo hwe chromium ne duplex phase.

c) Kuramba Asidhi

  • SS316 yakanakira maacid akaita seacetic, phosphoric, uye sulfuric (dilute).

  • SS329 inobata zviri nani oxidizing acids uye alkalis, kunyanya mumamiriro ezvinhu akasanganiswa e chloride-acid.

d) Kuora kwepakati pegranular

  • Zvese zvinotsungirira kana zvikapiswa zvakanaka. Zvisinei, SS329 inofanira kugadziriswa nokungwarira kudzivirirakuumbwa kwechikamu che sigmaizvo zvinogona kuderedza kuomarara.

Muchidimbu:
Zvekushandiswa kwemakemikari kana zvemugungwa, SS316 inoshanda zvakanaka muhuwandu hwechloride huri pakati nepakati, ukuwoSS329 ndiyo sarudzo iri naniyekumahombekombe kana kubvisa munyu mugungwanharaunda.

7. Kushongedza nekugadzira

Kuwelda SS316 kuri nyore pamaitiro ese echinyakare (TIG, MIG, SMAW), uye kurapwa kwekupisa mushure mekuwelda hakudiwi zvakanyanya.

SS329, iri duplex, inodakudzora kupisa kwakanyatsojekapanguva yekunamira kuti irambe yakabatana. Kupisa kwakanyanya kunogona kukonzera kuputsika kwezvikamu izvo zvinoderedza kuramba kwengura. Kushandisa simbi dzinoenderana nefiller uye magasi anodzivirira akakodzera kwakakosha.

Kana zvasvika pakugadzira nekugadzira:

  • SS316 iri nyore kupeta, kumonera, uye kupukuta.

  • Simba guru reSS329 rinoita kuti zviome kuumbwa asi zvakakodzera zvivakwa zvakasimba.

8. Kuramba Kupisa

SS316 inoramba iine simba rayo uye inodzivirira ngura kusvika pa870°C (1600°F)mubasa rinoenderera mberi.

SS329, kunyange zvazvo yakasimba patembiricha yemumba, inogona kuita mafungu asina kusimba kana ikaiswa patembiricha yakakwira kwenguva refu (inopfuura 300°C). Zvisinei, inoshanda zvakanaka kwazvo mutembiricha iri pakati nepakatinharaunda dzine simba remakanika uye dzine chloride.

Saka, SS316 ndiyo inonyanya kufarirwabasa rekupisa kwakanyanya, nepo SS329 yakanakiranzvimbo dzine kushushikana kwakanyanya, tembiricha yepakati, uye dzinoparadza.

9. Mutengo uye Kuwanikwa

Kazhinji,SS329 inodhura zvakanyanyakupfuura SS316 nekuda kwemaitiro ayo akaomarara ekugadzira uye zvinodiwa zvekurapa kupisa zvinodzorwa. Zvisinei, inopahupenyu hwebasa hwakareba uye mari shoma yekugadzirisamunzvimbo dzine hasha, zvichiita kuti zvisadhure zvakanyanya nekufamba kwenguva.

SS316 inowanikwa zvakanyanya uye inogadzirwa pasi rose, zvichiita kuti ivesarudzo yakajairika uye isingadhurikushandiswa kwakajairika.

Kana purojekiti yako ichisanganisiramapaipi emvura yegungwa, matangi emakemikari, kana migodhi yemafuta, kuisa mari muSS329 kuchachengetedza mari yekugadzirisa mune ramangwana.midziyo yekicheni, mapaneru ekuvaka, kana kushandiswa zvishoma kwegungwa, SS316 ichiri sarudzo inoshanda uye inodhura zvishoma.

10. Mashandisirwo eSS316

SS316 inowanikwa muindasitiri dzinenge dzese nekuda kwekuenzana kwayo mukudzivirira ngura, kushanda kwayo, uye runako rwayo. Mashandisirwo akajairika anosanganisira:

  • Zvishandiso zvegungwa nezvisungo

  • Zvishandiso zvekudya nezvinwiwa

  • Maitiro emakemikari nemishonga

  • Zvinochinja-chinja kupisa uye zvinobvisa mvura

  • Mafacade ekuvaka nesimbi dzekuvaka

  • Zvishandiso zvekurapa uye zvishandiso zvekuvhiya

Kupenya kwayo uye kugona kwayo kugadzira zvinhu zvinoita kuti ive yakakurumbira zvikuru mumaindasitiri anoda zvese zviri zviviribasa uye chitarisiko.

11. Mashandisirwo eSS329

Nekuda kwesimba rayo uye kuramba kwayo ngura mumamiriro ekunze ane hasha,SS329inosarudzwa mu:

  • Mapaipi emafuta negesi ari kunze kwenyika

  • Midziyo yekubvisa munyu uye masisitimu emvura yegungwa

  • Zvigayi zvemapundu nemapepa

  • Matangi emakemikari

  • Zvinochinja-chinja kupisa zvinosangana ne chloride solutions

  • Zvikamu zvechivakwa mumapuratifomu egungwa

Chimiro chayo cheduplex chinovimbisasimba guru remakanikakunyangwe pasi pemitoro inoshanduka uye kuchinja kwekumanikidzwa.

12. Pfupiso yeKushanda

SS316:

  • Rudzi: Austenitic

  • Simba: Rine mwero

  • Kuramba Kuora: Yakanaka kwazvo (ma chloride ari pakati nepakati)

  • Kugadzirwa: Zvakanaka kwazvo

  • Kushongedza: Zviri nyore

  • Mashandisirwo Akajairika: Chikafu, makemikari, zvekuvaka, zvegungwa zvisina kusimba

SS329:

  • Rudzi: Duplex

  • Simba: Rakakwirira kwazvo

  • Kuramba Kuora: Yakakwirira (machloride akawanda, mvura yegungwa)

  • Kuumbwa: Pakati nepakati

  • Kukwesha: Zvinoda kudzorwa

  • Mashandisirwo Akajairika: Oiri negesi, gungwa, kubvisa munyu, maindasitiri

Muchidimbu, musiyano mukuru uripo pakati peSS316 neSS329 ndewekutikuenzana pakati pesimba uye kuramba nguraSS329 inopa simba guru rekudzivirira chloride nekakani, nepo SS316 ichipa simba riri nani rekugadzira uye kugadzikana kwekupisa.

13. Kusarudza Pakati peSS329 neSS316

Kusarudza simbi isina ngura yakakodzera zvinoenderana nemamiriro ekushanda:

  • Kana simba uye kuramba chloride zviri zvinhu zvinokosha, sarudzaSS329.

  • Kana zviri nyore kugadzira uye kupedzisa pamusoro zvichikosha zvakanyanya, sarudzaSS316.

  • Zvemakemikari, masisitimu ekubvisa munyu, kana kusvibiswa nemvura yegungwa, SS329 ndiyo iri nani.

  • Zvemidziyo yekicheni, zvikamu zvekuvaka, kana maitiro emakemikari ane chloride shoma, SS316 yakakwana.

Kushanda nemutengesi ane ruzivo kunobatsira kuona kuti zvinhu zvakasarudzwa zvakanaka, nzira dzekunamira dzakafanira, uye mhando yacho inogara iripo.

14. Sei Uchifanira Kusarudza SAKYSTEL yeDuplex neAustenitic Stainless Steels

Semugadziri wesimbi isina ngura ane ruzivo uye mutengesi,SAKYSTELinopa zveseSS316uyeSS329muchimiro chakaita sematanda akatenderera, maplate, machira, uye machubhu.

Tinopa:

  • Zvinhu zvakabvumidzwa (EN 10204 3.1 / 3.2)

  • Kutevedzera NACE MR0175 uye ISO 15156 pabasa remafuta negasi

  • Machine chaiyo uye marefu akagadziriswa

  • Kutumirwa nekukurumidza pasi rose uye rutsigiro rwehunyanzvi

Zvigadzirwa zvedu zvinoshandiswa zvakanyanya mumaindasitiri egungwa, petrochemical, uye ekuvaka muEurope, Middle East, uye Southeast Asia.

Pabasa rega rega,SAKYSTELinoita kuti zviongororwe zvakanaka, kuti zvinhu zvisaonekwe zvakanaka, uye kuti zvinhu zvinotengeswa kunze kwenyika zviri nyore sei.

15. Pfungwa Dzekupedzisira

Musiyano uripo pakatiSS 329 neSS316zvinopfuura kemesitiri - zvinotsanangura zvavanoitakushanda, kugara kwenguva refu, uye nzvimbo yekushandisaSS316 inoramba iri indasitiri inoshanda zvakanyanya mukugadzira zvinhu zvinodzivirira ngura uye zvinogadzirwa zviri nyore, nepo SS329 ichimiririra simba rayo repamusoro uye kuvimbika munzvimbo dzakaoma.

Kunzwisisa misiyano iyi kunobvumira mainjiniya nevatengi kusarudza alloy yakakodzera basa rakakodzera - kuderedza kugadziriswa, kuwedzera hupenyu hurefu, uye kuona kuchengetedzeka mumamiriro ezvinhu akaoma.

Pakutsvaga zvinhu zvesimbi isingatsvi, sarudza vatengesi vane hunyanzvi hwakaratidzwa uye vane vimbiso yemhando yepamusoro.SAKYSTELkune simbi dzisingapindi ngura dzinoshanda zvakanaka uye dzinosangana nezvinodiwa pasi rose uye dzinopfuura zvaunotarisira.

Nguva yekutumira: Gumiguru-22-2025