Ndeupi Musiyano Uripo Pakati Pesimbi Isina Kushanda 309 neSS316?

Muindasitiri yesimbi isina ngura,309uye316mhando mbiri dzakakurumbira dzinoshandiswa zvakanyanya mumaindasitiri nepagungwa. Kunyange zvazvo dzose dzichipa zvinhu zvakanaka kwazvokuramba ngurauyesimba remakanika, zvakagadzirirwa mamiriro akasiyana ebasa. Kunzwisisa kusiyana kwadzo kwakakosha kune mainjiniya, vagadziri, uye nyanzvi dzekutenga dziri kutsvaga mashandiro akanakisa nemutengo unoshanda zvakanyanya.

Mugwaro iri rine ruzivo rwakadzama kubvaSAKYSTEL, mugadziri wepasi rose wesimbi isingasvibi uye mutengesi anovimbwa naye, tichatsananguramusiyano mukuru pakati peStainless Steel 309 neSS316, zvichifukidza maumbirwo azvo, magadzirirwo madiki, kuramba ngura, miganhu yekupisa, uye mashandisirwo akakodzera.

1. Nhanganyaya yeSimbi Isina Zvisimbiso 309

Simbi Isina Kushanda 309(UNS S30900)ichiwanikwa chinodzivirira kupisa che austeniticyakagadzirirwa zvakanyanyabasa rekupisa kwakanyanyaIne huwandu hwakakwira hwechromium (23%)uyenickel (13%)kupfuura 304 kana 316 simbi dzisingatsvi, zvichiita kuti irambe yakasimba pakuoxidation, scaling, uye carburization pakupisa kwakakwira.

Kusiyana nemamwe magiredhi mazhinji, 309 haina kugadzirwa kuti irambe ngura mumvura kana kuti inodzivirira asidhi asi kuti inodzivirira ngura.kugadzikana kwekupisa uye kuramba kwe oxidationmumaovheni, mumaovheni, uye mumidziyo yekurapa kupisa.

Maumbirwo ayo anoramba ari echinyakare kunyangwe pakupisa kwakanyanya, achiramba akasimba uye aine simba remuchina pasi pemamiriro ekupisa anotenderera.

2. Nhanganyaya yeSimbi Isina Zvisimbiso 316

Stainless Simbi 316 (UNS S31600)ndeimwe yeanonyanya kushandiswa pasi rosesimbi dzisina ngura dzinoshandiswa neausteniticInozivikanwa sechiwanikwa chemhando yegungwa, inopa kudzivirira kwakanaka kwazvongura yechloride, maasidhi, uye kurwiswa kwemakemikari.

Chinhu chikuru cheSS316 ndechekuwedzera kwayo2–3% molybdenum (Mo), izvo zvinowedzera zvakanyanya kuramba kwengura ine makomba uye ngura yemupata— kunyanya mumvura ine munyu kana munzvimbo dzine chloride yakawanda.

SS316 inogona kushandiswa zvakasiyana-siyana, inonamirwa, haina magineti, uye inochengetedza simba uye kugona kuchinjika mukupisa kwakasiyana-siyana. Inoshandiswa zvakanyanya mukugadzira makemikari, kuvaka ngarava, maindasitiri ezvekudya, uye emishonga.

3. Kusiyana Kwemakemikoro

Kunyangwe ese ari maviri esimbi dzisina ngura dzinoshandiswa ne austenitic, zvinhu zvavo zvinoumba alloying zvinotsanangura maitiro avo uye mashandisirwo azvo.

  • Simbi Isina Kushanda 309 Kuumbwa:

    • Chromium: 22–24%

    • Nickel: 12–15%

    • Molybdenum: ≤0.75%

    • Kabhoni: ≤0.08%

    • Manganese: ≤2%

    • Silikoni: ≤1%

  • Simbi Isina Kushanda 316 Kuumbwa:

    • Chromium: 16–18%

    • Nickel: 10–14%

    • Molybdenum: 2–3%

    • Kabhoni: ≤0.08%

    • Manganese: ≤2%

    • Silikoni: ≤1%

Ruzivo Rukuru:

  • SS309inechromium yakawanda uye nickelasimolybdenum shoma kana kuti isina, zvichiita kuti ive yakakodzeraoxidation uye kuramba kupisa kwakanyanya.

  • SS316zvinosanganisiramolybdenum, izvo zvinoita kuti ive yepamusorokuramba ngura kwechloride neasidhi, yakakodzera maindasitiri emugungwa nemakemikari.

4. Zvimiro zveMicrostructure neMetallurgical

SS309 neSS316 dzose dziri mbiriinochengetedza zvizeresimbi dzisina ngura dzine chimiro chekristaro checubic (FCC) chakakomberedza chiso.

Zvisinei, huwandu hwakakwira hwe chromium ne nickel hwe SS309 hunodzikamisa chimiro pakupisa kwakanyanya, zvichidzivirira kunzwa kwemuganhu wegorosi uye kuchengetedza kusimba mushure mekutenderera kwekupisa.

Maumbirwo eSS316, akasimbiswa ne molybdenum, anopafirimu risingashandiswi zvakanyanyainodzivirira kubva mukuora kunokonzerwa ne chloride uye ngura inokonzerwa ne chloride — chinhu chisina 309.

5. Zvimiro zveMichina

Magiredhi ese ari maviri anoratidza kushanda kwakasimba kwemuchina, kunyangwe akagadzirirwa tembiricha dzakasiyana.

Hunhu hwemakanika hwakajairika (mamiriro akavharirwa):

  • Simba reKusimba:

    • SS309: 620 MPa

    • SS316: 515 MPa

  • Simba reGoho (0.2% kuderedzwa):

    • SS309: 310 MPa

    • SS316: 205 MPa

  • Kureba:

    • SS309: 40%

    • SS316: 40%

Dudziro:
SS309 inesimba rakakwirira pakupisa kwakakwirira, nepo SS316 ichipaductility iri nani uye kuramba nguramumamiriro emvura, ane chloride.

6. Kuramba Kuora

6.1 SS316 - Mhare yeMarine neChemical

Chinhu chinoshamisa cheSS316 ndechekutikuramba chloride pitting uye crevice corrosion, nekuda kwe molybdenum. Inoshanda zvakanaka kwazvo mu:

  • Kusangana nemvura yegungwa

  • Zvirimwa zvemakemikari nemishonga

  • Acids dzakadai seacetic, phosphoric, uye sulfuric (dilute)

ZvayoPREN (Nhamba Yakaenzana Yekuramba Kuramba Kunotsvedza)kazhinji kacho i24–26, zvichiita kuti ive yepamusoro kupfuura 309 muzvinhu zvinoparadza.

6.2 SS309 - Mutambi Anodzivirira Kupisa

SS309 inodzivirira oxidation uye carburization patembiricha inosvika kusvika1000–1100°C (1830–2010°F)Yakanakira:

  • Mapendi emoto uye machubhu anopenya

  • Zvinochinja-chinja kupisa

  • Midziyo yekupisa

Zvisinei, 309 ndiyoisinganyanyi kubatwa nengura ye chlorideuyehazvikurudzirwikugara mumvura yegungwa kwenguva refu kana munyu wakazara.

7. Kuramba Kupisa

Uyu ndeumwe wemutsauko mukurupakati pemagiredhi maviri:

  • SS309:Inodzivirira zvakanyanya kuokisijeni uye kukura kusvika 1100°C. Inoramba yakasimba uye yakagadzikana pamusoro payo kana ichidziya nguva dzose.

  • SS316:Inoshanda zvakanaka kusvika 870°C (1600°F), asi pamusoro pezvo, inogona kutanga kukura uye kurasikirwa nesimba rechimiro.

Naizvozvo,SS309 ndiyo sarudzo iri nani yekushandisa tembiricha yepamusoro, panguva iyoSS316 yakanakira mamiriro engura uye ngura yemakemikari.

8. Kugona Kubatanidza Uye Kugadzira

SS309 neSS316 dzose dziri mbiriinonamirwa nyore nyoreuchishandisa maitiro akajairwa akadai seTIG, MIG, uye SMAW.

Zvisinei, zvimwe zvinhu zvakakosha zvekugadzira zvinosanganisira:

  • SS309 inodakutonhora kunodzorwamushure mekusondera kudzivirira kunaya kwekabhoni.

  • SS316, sezvo iri nyore kushandisa, iri nyore kushandisazviri nyore kugadzira nekupukuta, zvichiita kuti ive yakakurumbira pakushandiswa kwezvivakwa uye zvekushongedza.

Kuchenesa mushure mekusveta uye kupfavisa zvinokurudzirwa kuti zvese izvi zvidzorerwe kudzivirira ngura.

9. Kurapa Kupisa

Magiredhi ese ari maviri ndeayaisingaomeswi nekupisauye dzinoiswa pakati pe1010–1120°C zvichiteverwa nekutonhorera nekukurumidza.

SS309 inobatsira kubva mukugadzirwa kwesimbi mushure mekugadzirwa kana yaiswa pakupisa kwemhepo, zvichiita kuti ma carbide asingadiwe abviswe.

SS316 inoda kunyungudutswa kwesimbi kunyanya mushure mekutonhora zvakanyanya kana kusungirirwa kuti idzorere hunyanzvi hwayo.

10. Zvimiro zveMagineti

SS309 neSS316 dzose dziri mbiriisina magineti muchimiro chakanamirwa, kunyange zvazvo zvingaratidza simba remagineti mushure mekushanda nechando kana kupinza.

Pamashandisirwo anoda maitiro asingashandise magineti (akadai sekushandisa zvishandiso, zvishandiso zvekudya, kana masisitimu e cryogenic), zvese zviri zviviri zvakakodzera, asiSS316 ndiyo inonyanya kufarirwanekuda kwekudzika kwemvura inoyerera uye kugadzikana kuri nani.

11. Mutengo uye Kuwanikwa

Zvichienderana nemutengo, SS309 inowanzo kuveinodhura zvakanyanya pataninekuda kwekukwirira kwayonickel ne chromiumzviri mukati. Zvisinei, zvinopa kuchengetedza kwenguva refu mumidziyo inodziya zvakanyanyauko simbi dzisina ngura dzaizokundikana.

SS316 inowanikwa zvakanyanya uye inoshandiswa mumaindasitiri akasiyana-siyana, zvichiita kuti ivezviri nyore kuwana pasi roseuye kazhinji inodhura zvishoma pakugadzira zvakawanda.

Kana nzvimbo yekushanda ichisanganisirakupisa pamusoro pe900°C, sarudzaSS309Kana dambudziko ririmvura yemunyu kana kuti acidity, SS316ndiye anokunda zviri pachena.

12. Mashandisirwo Akajairika eSS309

  • Zvikamu zvechoto uye mabhasikiti ekurapa kupisa

  • Maburi emoto uye maburi emoto

  • Masisitimu ekuburitsa hutsi nemakiln

  • Zvinochinja-chinja kupisa zvinoshanda pakupisa kwakanyanya

  • Maboiler emumaindasitiri uye zvibatiso zvinoramba kushanda

Muchidimbu, SS309 inoshandiswa kupikudzivirira kupisazvakakosha kupfuura kuramba ngura.

13. Mashandisirwo Akajairika eSS316

  • Zvishandiso zvegungwa uye zvikamu zvechikepe

  • Midziyo yekugadzirisa chikafu

  • Michina yemishonga

  • Matangi ekuchengetera makemikari nemapombi

  • Mafaçade ekuvaka uye ma handrails

  • Zvinochinja-chinja kupisa uye midziyo yekumanikidza

SS316 inosarudzwa kana painemakemikari anoparadza, hunyoro, kana munyundiwo matambudziko makuru.

14. SS309 vs SS316: Musiyano Mukuru Wakapfupikiswa

  • Chinangwa:

    • SS309 → Yakagadzirirwabasa rekupisa kwakanyanya

    • SS316 → Yakagadzirirwamakemikari/basa remugungwa rinoparadza

  • Chinhu Chikuru Chekusanganisa:

    • SS309 → Chromium & Nickel Yakawanda

    • SS316 → Ine Molybdenum

  • Muganho wekupisa:

    • SS309 → Kusvika 1100°C

    • SS316 → Kusvika 870°C

  • Kuramba Chloride:

    • SS309 → Pakati nepakati

    • SS316 → Yakanaka kwazvo

  • Simba Pakupisa Kwakakwirira:

    • SS309 → Yepamusoro

    • SS316 → Pakati nepakati

  • Mutengo:

    • SS309 → Yakakwira zvishoma

    • SS316 → Inowanikwa zvakanyanya, isingadhuri zvakanyanya

Misiyano iyi inoita kuti giredhi rega rega rive rakasiyana nemunda waro warakaronga.

15. Maitiro Ekusarudza Pakati Pesimbi Isina Kushanda 309 ne316

Pakusarudza pakati pesimbi mbiri idzi dzisina ngura, funga nezve:

  1. Kupisa Kunoshanda:Kana sisitimu ichishanda pamusoro pe900°C, 309 ndiyo sarudzo chaiyo.

  2. Nzvimbo Inoparadza:Kana paine chloride kana acid yakawanda, sarudza 316.

  3. Zvinodiwa pakugadzira:Kune maumbirwo akaomarara uye magadzirirwo akakwenenzverwa, 316 iri nyore kushanda nayo.

  4. Bhajeti uye Kuwanikwa Kwazvo:316 iri nyore kuwana uye inodhura zvishoma pakushandiswa muindasitiri yese.

Nekuenzanisa zvinhu zvechigadzirwa nemamiriro ebasa, unogona kuwana nguva yakareba yekushanda uye kuderedza mari yekugadzirisa.

16. Sei Uchifanira Kusarudza SAKYSTEL Semubatsiri Wako weSimbi Isina Kusara

Nemakumi emakore eruzivo mukugadzira nekutumira simbi isina ngura,SAKYSTELinopa zveseSimbi Isina Kushanda 309uyeSimbi Isina Kushanda 316mumhando dzakasiyana dzezvigadzirwa:

  • Maplate neMapepa

  • Mabhawa neTsvimbo dzakatenderera

  • Machubhu nemapombi

  • Zvishandiso uye Flanges

  • Zvikamu Zvakagadzirwa Nemichina

Zvigadzirwa zvese zvinouya neEN 10204 3.1/3.2 zvitupa, kuve nechokwadi chekuti makemikari nemidziyo zvinoenderana nezvinodiwaASTM, ASME, uye EN zviyero.

Vatengi vedu muEurope, Middle East, neAsia vanovimba nesuSAKYSTELye:

  • Kudzora kwakasimba kwemhando

  • Mitengo yemakwikwi

  • Nguva dzekutumira nekukurumidza

  • Magwaro ehunyanzvi uye mishumo yeNDT

Kunyangwe uchida 309 isingapisi kana 316 isingaparadzike nengura, tinovimbisa hunhu hwakavimbika uye kutevedzera mitemo yepasi rose.

17. Pfungwa Dzekupedzisira

Iyomusiyano uripo pakati peSimbi Isina Kushanda 309 neSS316zviri mukutarisa kwavo pakugadzira:kuramba tembiricha kana ngura.

  • ShandisaSS309yemavira, mautsi, uye michina yekupisa zvakanyanya.

  • ShandisaSS316yematangi emakemikari, zvivakwa zvemugungwa, uye masisitimu anowanzo nyorova.

Kusarudza alloy chaiyo kunovimbisa kuchengetedzeka, kushanda zvakanaka, uye kushanda zvakanaka kwemari.

Munyika inoda kugara kwenguva refu uye kuvimbika,SAKYSTELinoramba ichipa zvinhu zvesimbi isingatsvi zvemhando yepamusoro zvinosangana nezvinodiwa zvepasi rose uye zvinopa zvinodiwa zvakasiyana-siyana zvemaindasitiri.

Nguva yekutumira: Gumiguru-22-2025