Anozivikanwa nokuda kwemaitiro avo akanaka, kushora kurara uye kushungurudzika kunokonzera kupisa, mafuta e-ferritic anowanzoshandiswa mumagetsi ekushandisa, kitchenware, nemichina yekushanda.
Mifananidzo yeFerritic Stainless Steel
Mukuenzanisa nemafisi ekuchengetedza , ane chinyorwa chinonzi face cubic (FCC) chigadzirwa chezviyo, ferritic steels zvinorondedzerwa ne-body-centered cubic (BCC).
Mune mamwe mazwi, kristall yakarongeka yezviiti zvakadaro inosanganisira cubic atomu cell neatomu mukati.
Ichi chigadzirwa chezviyo chinowanzoitwa alpha iron uye ndicho chinopa ferritic steels magnetic properties .
Ferritic steels haigoni kuomeswa kana kusimbiswa nekushisa kwekupisa, asi vane maitiro akanaka ekumanikidzwa kwepfungwa-kupisa. Zvinogona kutonhora zvakashanda uye zvinyoroveswa nekuwedzera.
Kunyange zvazvo isiri yakasimba kana kusagadzikana kwechirungu semakero ekudzivirira, chikoro che ferritic chinowanzova nehunijini huri nani. Kunyange zvazvo kazhinji iine weldable, imwe ferritic steel makira inogona kunge yakagadziriswa kusimbisa nzvimbo yakasvibiswa inopisa uye weld tsvina inopisa. Saka kusagadzikana kusakwana, saka, zvinorega kushandiswa kwezvivigiro kuti zvive zvishoma.
Nemhaka yechromium yavo yakaderera uye nickel zvakagadziriswa, standard ferritic iron makirasi inowanzosvitsa kudarika yavanoda.
Chromium yakagadzikana inogona kubva kubva pa10,5 kusvika ku27 muzana uye, seyakadai semartensitic, kazhinji kazhinji pane zvisikwa zve nickel. Zvikwereti zvakakosha zvinowanzobatanidza molybdenum , uye kusvika kuduku duku kushandisa saruminium uye titanium .
Ferritic ye-alliys ye-stainless iron inogona kuiswa muzvikwata zvishanu, mhuri nhatu dzemakero akaenzana (Makira 1 kusvika ku3 pasi) uye mhuri mbiri dzezvipfeko zvezvikwata zvemazana (Makira 4 ne5 pasi).
Kunyange zvazvo mashizha eti ferritic ari, kusvika kure, boka guru rinotengeswa maererano nehutoni, kudiwa kwezvinhu zvakasiyana-siyana zvisingabatsiri mashizha asina kuwedzera.
Mitambo yeFerritic Stainless Steel
- Boka 1 (rudzi rwa 409 / 410L): Izvo zvine chinyorwa chepasi chakanyanya kuderera chezvinhu zvose zvisingasviki uye zvakakonzerwa nemamiriro ezvinhu anonyangadza apo inharaunda yakagamuchirwa inogamuchirwa. Iko yakanyanya kudhura yemashizha ose asina tsvina, rudzi rwe 409 rwakatanga kusikwa nokuda kwekuchenesa motokari zvigadziri zvinyararire, asi iye zvino inogona kuwanika mumotokari kuneta tubing uye catalytic converter casings. Ropa 410L rinowanzoshandiswa kumigodhi, mabhasi uye maLF frame mafaira.
- Boka 2 (rudzi rwechina 430): Inonyanya kushandiswa inonzi ferritic iron, rudzi rwechina 430 rine yakakwirira yekromium uye inokonzerwa naizvozvo, inopikisa kurrosi ne nitric acids, sulfuri gasses uye akawanda organic uye kudya acids. Mune mamwe maitiro, girasi rino rinogona kushandiswa sechinzvimbo chekuchengetedza grade 304. Rudzi rwe 430 runowanikwa mukati memidziyo yemidziyo, kusanganisira kushambidza madhishi, mashizha ekicheni, kuchema, mapurisa emapuranga, mazhenesheni nemimwe midziyo yekubika.
- Boka 3 (rudzi rwechina 430Ti, 439 uye 441): Kuva nehuwandu hwekudzivirira uye kugadzirisa maitiro kupfuura Cheki 2 ferritic mapepa esimbi, Girasi yesimbi 3 inogona kushandiswa kutora mhando yezvinyorwa zvekuti 304 austenitic mumhando yakawanda yemashandisirwo, kusanganisira mumadzika, kutengesa tubes , kupedza magetsi uye nhengo dzakashambiswa dzemashamba ekuchenesa.
- Boka 4 (rudzi rwema 434, 436, 444): Nehuwandu hwakanyanya hwemolybdenum, idzi ferritic stainless steel grades dzakasimbiswa kugadzirisa kushandiswa uye dzinoshandiswa mumatangi emvura anotonhora, kupisa kwemazuva, kupera kwenhengo, magetsi emagetsi, michina yevheni microwave, se pamwe nerwendo rwemotokari. Bhizinesi 444, kunyanya, ine pitting resistance resistance (PRE) kuGear 316, ichibvumira kuti ishandiswe mune dzimwe nzvimbo dzakashata dziri kunze
- Girasi 5 (446, 445, 447): Boka iri rezvinhu zvakasiyana-siyana risina zvisikwa risina ganda rinoratidzirwa nehuwandu hwekromium. Chigumisiro isimbi ine hutachiona hwakanaka uye kuwedzerwa (kana kusvibiswa) kurwisana. Kutaura zvazviri, kurwisana kwegorosi yeBanga 447 kunofanana neyeti titanium metal. Molybdenum inowanzowedzerwa pakuvandudza kutuka kwehurosi. Zvikumbiro zveGulu resimbi 5 rinowanika munzvimbo dzakanyanya kukwikwidza kugungwa uye kumhenderekedzo yegungwa.
Sources
South Africa Stainless Steel Development Association. Aina.
URL: www.sassda.co.za
International Stainless Steel Forum (ISSF). The Ferritic Solution .
URL: www.worldstainless.org