Machira esimbi isina ngura ane pamusoro wakatsetseka, akasimba, akaomarara, uye ane simba remakanika, uye anodzivirira ngura kubva kumagasi ane acidic nealkaline, mhinduro, nezvimwe zvinoshandiswa. Isimbi ye alloy isingakurumidzi ngura, asi hairambi ngura zvachose. Machira esimbi isina ngura anoreva mashizha esimbi anodzivirira ngura kubva muzvinhu zvisina simba zvakaita semhepo, utsi, nemvura, nepo mashizha esimbi anodzivirira acid anoreva mashizha esimbi anodzivirira ngura kubva muzvinhu zvinoshandiswa kushandisa makemikari zvakadai seacids, alkalis, uye munyu.
Machira esimbi isina ngura anouya mumhando dzakasiyana-siyana, ane mhando dzakakosha dzekutengeserana dzinosanganisira austenitic, ferritic, duplex, uye martensitic. Mhando yega yega ine hunhu hwakasiyana hwemakanika uye inodzivirira ngura, zvichiita kuti ive yakakodzera kushandiswa kwakanangana.
Simbi Isina Kugayiwa yeAustenitic (Nhevedzano 300)
304/304L: Simbi isingapindi ngura inoshandiswa zvakanyanya. Inodzivirira ngura zvakanaka, inogadzirwa zvakanaka, uye inokwanisa kusundirwa.
316/316L: Nekuwedzera 2-3% molybdenum, ine simba rakanaka rekudzivirira machloride (mvura yegungwa, munyu wekubvisa icing).
321: Nekuwedzera titanium stabilizers, zvinodzivirira kunzwa panguva yekunamira.
310S: Tembiricha yepamusoro (kusvika 1100°C), yakakodzera zvikamu zvechoto.
Simbi Isina Kugayiwa yeFerritic (400 series, semuenzaniso, 430, 409, 439) Machira esimbi isina kugayiwa yeFerritic ane 10.5%–27% chromium, ine kabhoni shoma kwazvo (<0.1%), uye nickel shoma kana kuti hapana. Ane magineti uye anodzivirira ngura, asi kuumbwa kwawo uye kusimba kwawo kwakaderera pane simbi isina kugayiwa yeaustenitic. Haagone kusimbiswa nekupisa. Mashandisirwo akajairika: masisitimu emagetsi emotokari, mapaneru ekuvaka, uye midziyo yemagetsi yemukati. Munzvimbo dzakapfava, giredhi 430 inzira yakajairika inodhura zvishoma pane giredhi 304.
Simbi Isina Kugayiwa Duplex (semuenzaniso, 2205, 2507) Simbi Isina Kugayiwa Duplex ine chimiro chidiki chine musanganiswa wezvinhu zve austenitic ne ferritic (inenge 50/50). Nekuda kwehuwandu hwayo hwe chromium yakawanda (21-26%), huwandu hwe nickel huri pakati nepakati (4-7%), uye huwandu hwe molybdenum (0-4%), simbi Isina Kugayiwa 2205 ine simba rekugadzira rinopeta kaviri kupfuura simbi Isina Kugayiwa Duplex, uku ichiramba ichidzivirira chloride stress corrosion cracking. 2205 Stainless Steel inoshandiswa zvakanyanya mumatangi emakemikari, desalination yemvura yegungwa, uye pulp digesters. Simba rayo rakakwirira rinobvumira kushandiswa kwemachira akatetepa, nokudaro zvichideredza huremu nemutengo.
Simbi isina ngura yeMartensitic (semuenzaniso, 410, 420) ine 11-17% chromium uye kabhoni yakawanda (0.1-1.2%), zvichiita kuti iome kuburikidza nekupisa. Iine magineti, yakasimba, uye haipfeki, asi kuramba kwayo ngura kwakaderera pane kwesimbi dzisina ngura dzeaustenitic kana duplex.
Musiyano mukuru uripo pakati pemaplate esimbi isina ngura e304 ne316: 304 simbi isina ngura, yatinosangana nayo zuva nezuva, ndiyo chiyero chesimbi isina ngura yepamusoro pechikafu uye zvakare ndiyo mambo wekushandisa zvakanaka mudzimba. Inodzivirira ngura zvakanyanya, kudzivirira ngura, uye kudzivirira kupisa kwakanyanya. Kune makapu anodzivirirwa, zvinwiwa zvetafura, masinki ekicheni, michina yekugadzira chikafu, uye midziyo yekugezera, 304 ndiyo sarudzo yakakwana. Yakachengeteka, haina chepfu, uye inodzivirira ngura kushandiswa kwezuva nezuva, yakakodzera kune akawanda mamiriro epamba, uye inogara kwenguva refu.
Simbi isina ngura ye316, kune rumwe rutivi, imhando yepamusoro yezvigadzirwa zvemaindasitiri zvemhando yepamusoro. Inowedzera molybdenum ku304, zvichivandudza zvakanyanya kusimba kwayo mukuora, kusimba kweasidhi nealkali, uye zvichiita kuti irambe zvakanyanya kudziya kwakanyanya uye ngura yemvura yegungwa. Inoshandiswa zvakanyanya mumidziyo yekicheni yepamusoro, zvishandiso zvekurapa, mapaipi emakemikari, uye zvivakwa zvekunze zvemahombekombe. Kunyange zvazvo isingakoshi pakushandiswa kwemazuva ese mudzimba, 316 ndiyo mhinduro yakanakisisa yezvishandiso zvinoda kusimba kwakanyanya kwekuora.
Mumwe musiyano mukuru uri pamutengo; nekuda kwehuwandu hwayo hwakawanda hwe nickel ne molybdenum, 316 stainless steel inowanzo kudhura kupfuura 304 stainless steel. Nokudaro, sarudzo pakati pesimbi idzi mbiri inowanzoenderana nezvinodiwa zvekushandisa, kusanganisira bhajeti shoma uye zvinhu zvakatipoteredza.
Simbi isina ngura chinhu chinoshandiswa muinjiniya chinoshanduka-shanduka, kunyanya 304 ne316 grades, izvo zvinoita basa rakakosha mumaindasitiri akasiyana-siyana nekuda kwehunhu hwazvo hwakasiyana uye mashandisirwo azvo. Ingave mukugadzira chikafu, kuvaka, mota, zvekurapa, zvemakemikari, kana zvemagetsi, machira esimbi asina ngura agara ari sarudzo yakavimbika kune mainjiniya nevagadziri. Sezvo maindasitiri achiramba achichinja uye kudiwa kwezvinhu zvinogara kwenguva refu, zvisingakuvadzi ngura kuri kuramba kuchikura, kukosha kwemachira esimbi asina ngura kuchawedzera chete.
Kana muchida kutenga zvigadzirwa zvesimbi isingatsvi, ndapota tinya kuti mutibate kuti tikubvunzei. Jindalai Steel Group Co., Ltd. ichakupai mhinduro dzehunyanzvi.
Nguva yekutumira: Chivabvu-11-2026
