Masimbi asina tsvina anouya mumagiredhi mazhinji, rimwe nerimwe rakagadzirwa kuti ripe chaiwo maitiro ekuita. Pakati pavo,440C simbi isina tsvinainomira seahigh-carbon, high-chromium martensitic simbi isina tsvinainozivikanwa nokuda kwayokuomarara kwakanakisa, kusamira kwekusapfeka, uye kusagadzikana kwekuora. Inoshandiswa zvakanyanya mumashandisirwo epamusoro-soro apo kuchengetedzwa kwemupendero, simba, uye kusimba kwakakosha.
Isu tinoongororahunhu, michina zvimiro, uye yakajairika mashandisiroye440C simbi isina tsvina. Kunyangwe iwe uchibatanidzwa mukugadzira maindasitiri, kugadzira, midziyo, kana kugadzirwa kwemidziyo yekurapa, chinyorwa ichi chinopa ruzivo rwakakosha kuti nei 440C Stainless simbi iri sarudzo yakakurumbira yekuda maapplication.
At sakysteel, isu tine hunyanzvi hwekugovera premium-mhando 440C simbi isina tsvina mumhando dzakasiyana siyana uye saizi, kusangana nezvinodiwa nemaindasitiri pasi rese. Contactsakysteelyerutsigiro rwenyanzvi, kutsvagisa kwakavimbika, uye zvakagadzirirwa zvigadziriso zvezvinhu.
1. Chii chinonzi 440C Stainless Steel?
440C simbi isina tsvinaari amartensitic Stainless simbi alloynepamusoro pekabhoni uye chromium. Icho chikamu chemazana mana akatevedzana uye ndiro giredhi risingaite ngura pakati pe440 stainless steels (440A, 440B, uye 440C).
Yakajairwa Kuumbwa kwe440C:
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Kabhoni (C)0.95% - 1.20%
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Chromium (Cr): 16.0% - 18.0%
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Manganese (Mn): ≤ 1.0%
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Silicon (Si): ≤ 1.0%
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Molybdenum (Mo): Optional mune dzimwe shanduro dzekuwedzera kuoma
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Nickel (Ni): Tsvaga huwandu
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Simbi (Fe): Balance
Ichi chinyorwa chinobvumira 440C kusvikakuoma kwakanyanya (kusvika ku60 HRC)painogadziriswa kupisa, ichiri kupa yakanaka corrosion resistance.
2. Hunhu Hunokosha hwe440C Stainless Steel
a) High Kuoma uye Simba
Kana yakanyatsogadziriswa kupisa, 440C inogona kubudiriraRockwell kuoma kwemazinga pakati pe58 kusvika 60 HRC, zvichiita kuti ive imwe yesimbi yakaoma isina tsvina inowanikwa. Izvi zvinoita kuti ive yakakodzera kune:
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Zvishandiso zvekucheka
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Kutakura zvikamu
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Precision zvikamu
b) Yakanakisa Kupfeka uye Abrasion Resistance
Nekuda kwekuwanda kwayo kabhoni,440Canoratidzakupikisa kunoshamisa pakupfeka kwepamusoro, edge deformation, uye mechanical kuneta - yakanakira kutsvedza kana kutenderera maapplication.
c) Good Corrosion Resistance
Kunyangwe isingadzivirirwe nekuora se300 akatevedzana masimbi asina tsvina, 440C inoita zvakanaka munzvimbo dzakapfava kusvika pakati nepakati. Inogona kuramba:
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Unyoro
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Food acids
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Mild chemicals
Zvisinei, ndizvohazvikurudzirweyemvura kana yakakwira-chloride application pasina kurapwa kwakaringana pamusoro.
d) Magnetic uye Kupisa-Kunorapwa
440C ndizvomagneticmumamiriro ese ezvinhu uye zvinogona kuvayakaomeswa kuburikidza neyakajairwa kupisa kurapwa, zvichiita kuti zvive nyore kuchinjika kune akasiyana siyana emakanika uye zvimiro zvekushandisa.
3. Mechanical Properties ye440C
| Property | Kukosha (Yakajairika, Yakaomeswa Mamiriro) |
|---|---|
| Tensile Simba | 760 - 1970 MPa |
| Goho Simba | 450 - 1860 MPa |
| Elongation paBreak | 10 - 15% |
| Kuoma (Rockwell HRC) | 58 - 60 |
| Modulus yeElasticity | ~200 GPA |
| Density | 7.8 g/cm³ |
Aya maitiro anogona kusiyana zvichienderana nekupisa kurapwa uye maitiro ekugadzira.
4. Kupisa Kurapa Maitiro
Kuita kwe440C simbi isina tsvina ndikoyakawedzerwa zvakanyanya kuburikidza nekupisa kurapwa. Iyo nzira inowanzo sanganisira:
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Kuomesa: Kupisa kusvika 1010–1065°C (1850–1950°F)
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Quenching: Oiri kana mhepo inodzima kuomesa zvinhu
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Tempering: Kazhinji kushatirwa pa150–370°C (300–700°F) kuderedza brittleness uye kuwedzera kuoma
Kupisa-yakagadziriswa 440C inoratidzayakanyanya kuoma uye yakanakisa mechanic simba, iyo yakakosha kune chaiyo maturusi uye kucheka mipendero.
5. Zvakajairwa Zvishandiso zve440C Stainless Steel
Nekuda kwehuremu hwayo hwakasiyana hwekuoma, kuramba kupfeka, uye pakati nepakati corrosion kuramba, 440C inowanikwa mune dzakasiyana siyana dzinoda maapplication:
a) Kucheka Zvishandiso
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Mashizha ekuvhiya
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Razor blades
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Industrial mapanga
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Zvigero
b) Bearings uye Valve Components
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Mabhora ebhora
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Zvigaro zvevhavha uye madzinde
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Tsono roller bearings
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Pivot pini
c) Aerospace uye Dziviriro
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Ndege actuator zvikamu
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Mapini ekuvakwa
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Zvombo nemidziyo yepfuti
d) Zvishandiso zvekurapa
440C's biocompatibility uye kugona kuchengetedza mipendero yakapinza inoita kuti ive yakakodzera:
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Zvishandiso zvemazino
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Zvishandiso zvekuvhiya
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Orthopedic implants (kwete-permanent)
e) Mold uye Die Indasitiri
Kuramba kwayo kupfeka kunoita kuti ive yakakodzera:
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Plastic jekiseni molds
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Kugadzira kunofa
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Zvishandiso zvekushandisa
sakysteelinopa 440C simbi isina tsvina mumashiti, mahwendefa, tsvimbo, uye mbariro kune izvi nezvimwe zvinoshandiswa. Nekutevera kuzere uye vimbiso yemhando,sakysteelinovimbisa kushanda kwepamusoro kwemapurojekiti akakosha.
6. Kugumira kwe440C Stainless Steel
Nepo 440C iri yepamusoro-inoshanda zvinhu, haina kunaka kune ese mamiriro:
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Corrosion resistance inogumiramunzvimbo dzemugungwa kana chloride-rakapfuma
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Lower kuomazvichienzaniswa neaustenitic mamakisi
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Inogona kuva brittlepakuoma kwakanyanya kunze kwekunge wanyatsodzikamiswa
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Machina anogona kuva akaomamukuoma
Pamaapplication anoda yakakwirira ductility kana corrosion resistance, 316 kana duplex stainless simbi dzinogona kunge dziri nani dzimwe nzira.
7. Surface Finishing Options
440C simbi isina tsvina inogona kupihwa munzvimbo dzakasiyana dzekupedza, zvichienderana nekupera-kushandiswa zvinodiwa:
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Annealed: Kuti zvive nyore kugadzira uye kugadzira kusati kwaoma
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Pasi kana kukwenenzverwa: Zvekunaka kana kushanda chaiko
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Yakaomeswa uye yakapfava: Zvematurusi uye maapplication ekupfeka
At sakysteel, tinopacustomized surface finishes uye dimensionsye440C simbi isina tsvina kuti ienderane nezvinodiwa nemutengi.
8. 440C vs Mamwe Masimbi asina Stainless
| Giredhi | Kuoma | Corrosion Resistance | Applications |
|---|---|---|---|
| 304 | Low | Excellent | General structural kushandiswa |
| 316 | Low | Superior | Marine, chikafu, pharma |
| 410 | Pakati nepakati | Pakati nepakati | Zvishandiso zvekutanga, fasteners |
| 440C | High | Pakati nepakati | Precision zvishandiso, mabheya |
440C ndiyohardestuye zvizhinjikupfeka-resistantpakati peizvi, kunyangwe paine kushomeka kwekudzikira zvishoma.
Mhedziso
440C simbi isina tsvinaisarudzo yepamusoro-tier kanakuomarara kwakasiyana, kusakara, uye kusimba kuri pakati nepakatizvinodiwa. Inoshandiswa zvakanyanya mumaindasitiri kubva kune aerospace uye mota kune zvekurapa uye zvekushandisa. Kugona kwayo kuomeswa kusvika kumazinga akanyanya uku ichichengetedza zvine musoro kuchengetedzwa kwecorrosion kunoita kuti ive imwe yeakanyanyaversatile martensitic Stainless simbiiripo.
Kunzwisisa hunhu hwayo kunobvumira mainjiniya nevatengi kuita yakanakisa kusarudzwa kwezvinhu zvekugara kwenguva refu, yepamusoro-kuita maapplication.
Yemhando yepamusoro 440C simbi isina tsvina ine zvitupa zvakazara uye kukosha-kwakawedzerwa masevhisi senge tsika yekucheka, kupukuta, uye kupisa kupisa,sakysteelndiye mutengesi wako waunovimba naye. Contactsakysteelnhasi kuti uwane quote kana kukurukura zvaunoda purojekiti.
Nguva yekutumira: Jul-28-2025