Nhanganyaya
Duplex 2205 simbi isina tsvina (zvese ferritic uye austenitic) inoshandiswa zvakanyanya mumashandisirwo ayo anoda yakanaka corrosion resistance uye simba.S31803 giredhi Stainless simbi yakagadziridzwa zvakati wandei zvichikonzera UNS S32205, uye yakabvumidzwa mugore ra 1996. Iri giredhi rinopa kupikisa kwepamusoro kune corrosion.
Pakupisa kwepamusoro pe300 ° C, brittle micro-constituents yegiredhi iyi inonaya, uye patembiricha iri pasi -50 ° C madiki-constituents anoenda kune ductile-to-brittle transition;saka iyi giredhi resimbi isina simbi haina kukodzera kushandiswa patembiricha idzi.
Key Properties
Stainless Simbi - Giredhi 2205 Duplex (UNS S32205)
Izvo zvivakwa zvakataurwa mumatafura ari pazasi zvine chekuita nezvigadzirwa zvakatenderedzwa senge mahwendefa, mashiti uye makoiri eASTM A240 kana A240M.Izvi zvinogona kunge zvisina kufanana pane zvimwe zvigadzirwa zvakaita semabhawa nemapombi.
Composition
Stainless Simbi - Giredhi 2205 Duplex (UNS S32205)
Tafura 1 inopa mitsara yekuumbwa kwegiredhi 2205 duplex simbi isina tsvina.
Tafura 1-Kuumbwa kwezvikamu zve2205 giredhi simbi isina tsvina
| Giredhi | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 2205 (S31803) | Min Max | - 0.030 | - 2.00 | - 1.00 | - 0.030 | - 0.020 | 21.0 23.0 | 2.5 3.5 | 4.5 6.5 | 0.08 0.20 |
| 2205 (S32205) | Min Max | - 0.030 | - 2.00 | - 1.00 | - 0.030 | - 0.020 | 22.0 23.0 | 3.0 3.5 | 4.5 6.5 | 0.14 0.20 |
Mechanical Properties
Iyo yakajairwa michina zvimiro zvegiredhi 2205 simbi isina tsvina yakanyorwa mutafura pazasi.Giredhi S31803 ine zvakafanana zvemakanika zvivakwa kune zveS32205.
Tafura 2- Mechanical zvimiro zve2205 giredhi Stainless simbi
| Giredhi | Tensile Str | Goho Simba | Elongation | Kuoma | |
| Rockwell C (HR C) | Brinell (HB) | ||||
| 2205 | 621 | 448 | 25 | 31 max | 293 max |
Zvinhu Zvenyama
Stainless Simbi - Giredhi 2205 Duplex (UNS S32205)
Izvo zvemuviri zvimiro zvegiredhi 2205 simbi isina tsvina zvakarongwa pazasi.Giredhi S31803 ine zvimiro zvemuviri zvakafanana kune zveS32205.
Tafura 3-Zvimiro zvemuviri zve2205 giredhi simbi isina tsvina
| Giredhi | Density | Elastic (GPA) | Kureva Co-eff yeThermal | Thermal | Specific (J/kg.K) | Zvemagetsi | |||
| 0-100°C | 0-315°C | 0-538°C | pa100°C | pa500°C | |||||
| 2205 | 7800 | 190 | 13.7 | 14.2 | - | 19 | - | 418 | 850 |
Giredhi Specification Kuenzanisa
Stainless Simbi - Giredhi 2205 Duplex (UNS S32205)
Tafura 4 inopa kuenzaniswa kwegiredhi kune 2205 simbi isina tsvina.Izvo zvakakosha kuenzanisa kwezvinhu zvinoshanda zvakafanana.Chaicho chakaenzana chinogona kuwanikwa kubva pane zvakatemwa zvepakutanga.
Tafura 4-Giredhi yakatarwa kuenzanisa ye2205 giredhi Stainless simbi
| Giredhi | UNS | Old British | Euronorm | ChiSwedish SS | ChiJapanese JIS | ||
| BS | En | No | Zita | ||||
| 2205 | S31803 / S32205 | 318S13 | - | 1.4462 | X2CrNiMoN22-5-3 | 2377 | SUS 329J3L |
Possible Alternative Grades
Yakapihwa pazasi rondedzero yemamwe mamakisi anogona kusarudzwa panzvimbo ye2205.
Tafura 5-Giredhi yakatarwa kuenzanisa ye2205 giredhi Stainless simbi
| Giredhi | Zvikonzero zvekusarudza giredhi |
| 904L | Kuumbika kuri nani kunodiwa, nekuramba kwecorrosion kwakafanana uye kuderera kwesimba. |
| UR52N+ | Kunyanya kusaita ngura kunodiwa, semuenzaniso kuramba tembiricha yepamusoro yemvura yegungwa. |
| 6%Mo | Yepamusoro corrosion kuramba inodiwa, asi nesimba rakaderera uye nani kuumbwa. |
| 316L | Iyo yakakwira corrosion kuramba uye simba re2205 hazvidiwi.316L mutengo wakaderera. |
Corrosion Resistance
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Giredhi 2205 simbi isina tsvina inoratidzira yakanakisa kushora kuramba, yakakwirira kwazvo kupfuura iyo yegiredhi 316. Inopikisa marudzi ekuora kwenzvimbo senge intergranular, crevice uye gomba.Iyo CPT yerudzi urwu rwesimbi isina tsvina inosvika 35°C.Giredhi iri rinoshingirira ku chloride stress corrosion cracking (SCC) patembiricha ye150°C.Giredhi 2205 masimbi asina tsvina anokodzera kutsiva kune austenitic mamakisi, kunyanya munzvimbo dzepamberi yekutadza uye nharaunda dzemugungwa.
Heat Resistance
Iyo yakakwira oxidation kuramba chivakwa cheGiredhi 2205 chakashatiswa nekumisikidzwa kwayo pamusoro pe300 ° C.Iyi embrittlement inogona kugadziridzwa nemhinduro yakazara annealing kurapwa.Giredhi iri rinoita zvakanaka patembiricha iri pasi pe300°C.
Kupisa Kurapa
Mushonga wakanyatsokodzera kupisa kwegiredhi iri mhinduro yekurapa (annealing), pakati pe1020 - 1100 ° C, ichiteverwa nekutonhora nekukurumidza.Giredhi 2205 rinogona kuomeswa nebasa asi harigone kuomeswa nenzira dzekupisa.
Welding
Mazhinji akajairwa mawelding nzira anoenderana negiredhi iri, kunze kwekunge welding isina masimbi ekuzadza, izvo zvinoguma nekuwanda ferrite.AS 1554.6 pre-qualifying welding for 2205 with 2209 rods or electrodes kuitira kuti simbi yakaiswa ive neright balanced duplex structure.
Kuwedzera nitrogen kune gasi rekudzivirira kunovimbisa kuti austenite yakakwana inowedzerwa kune chimiro.Iko kupinza kwekupisa kunofanira kuchengetedzwa pamwero wakaderera, uye kushandiswa kwekutanga kana kwemashure kupisa kunofanira kudziviswa.Iko-efficient yekuwedzera kwekushisa kwegiredhi iyi yakaderera;saka kukanganisa uye kushushikana kuri kushoma pane izvo mumagiredhi austenite.
Machining
Iko machinability yegiredhi iyi yakaderera nekuda kwekusimba kwayo kukuru.Mamhanyiro ekucheka angangoita 20% akaderera pane aya egiredhi 304.
Fabrication
Kugadzirwa kwegiredhi iyi kunokanganisawo nekusimba kwayo.Kupeta nekuumbwa kwegiredhi iri kunoda midziyo ine hukuru hukuru.Ductility yegiredhi 2205 idiki pane austenitic mamakisi;saka, musoro unotonhora haugoneki pagiredhi iri.Kuti uite mabasa anotonhora emusoro pagiredhi iri, yepakati annealing inofanira kuitwa.
Applications
Zvimwe zvezvakajairwa zvekushandisa duplex simbi giredhi 2205 zvakanyorwa pazasi:
- Oiri uye gasi kuongorora
- Processing midziyo
- Kutakura, kuchengetedza uye kushandiswa kwemakemikari
- High chloride uye nzvimbo dzemugungwa
- Michina yemapepa, matangi edoro, pulp nemapepa digester
Nguva yekutumira: Mar-11-2023