Yini Eyenza I-304 vs 316 Ithandwe Kangaka?
Amazinga aphezulu e-chromium ne-nickel atholakala ensimbi engagqwali engu-304 kanye ne-316 anikeza ukumelana okunamandla nokushisa, ukuguguleka, kanye nokugqwala. Awaziwa nje kuphela ngokumelana nokugqwala, kodwa futhi aziwa nangokubukeka kwawo okuhlanzekile kanye nokuhlanzeka okuphelele.
Zombili izinhlobo zensimbi engagqwali zivela ezimbonini ezahlukahlukene. Njengezinga elivame kakhulu lensimbi engagqwali, i-304 ibhekwa njengensimbi engagqwali ejwayelekile "ye-18/8". Insimbi engagqwali ye-304 isetshenziswa kabanzi ngoba ihlala isikhathi eside futhi kulula ukuyibumba ibe izinhlobo ezahlukene njengeshidi lensimbi engagqwali, ipuleti lensimbi engagqwali, ibha yensimbi engagqwali, kanye neshubhu lensimbi engagqwali. Ukumelana kwensimbi ye-316 kumakhemikhali nasezindaweni zasolwandle kwenza kube ukukhetha okuthandwayo phakathi kwabakhiqizi.
Zihlukaniswa Kanjani Ngezigaba?
Izigaba ezinhlanu zensimbi engagqwali zihlelwe ngokusekelwe esakhiweni sazo sekristalu (indlela ama-athomu azo ahlelwe ngayo). Kulezi zigaba ezinhlanu, insimbi engagqwali engu-304 kanye nengu-316 isekilasini lebanga le-austenitic. Isakhiwo sezinsimbi ezingagqwali zebanga le-austenitic senza zingabi namandla kagesi futhi sizivimbele ekubeni ziqine ngokwelashwa ngokushisa.
1. Izakhiwo ze-304 Stainless Steel
● Ukwakheka Kwamakhemikhali Kwensimbi Engagqwali engu-304
| Ikhabhoni | I-Manganese | I-Silicon | I-Phosphorus | I-Sulphur | I-Chromium | I-Nickel | I-nitrogen | |
| 304 | 0.08 | 2 | 0.75 | 0.045 | 0.03 | 18.0/20.0 | 8.0/10.6 | 0.1 |
● Izakhiwo Ezibonakalayo ze-304 SS
| Indawo Yokuncibilika | 1450℃ |
| Ubuningi | 8.00 g/cm^3 |
| Ukwanda Kokushisa | 17.2 x10^-6/K |
| I-Modulus ye-Elasticity | 193 GPa |
| Ukuqhuba Okushisayo | 16.2 W/mK |
● Izakhiwo Zemishini Zensimbi Engagqwali engu-304
| Amandla Okudonsa | 500-700 Mpa |
| Ukuphakama okungu-A50 mm | 45 Ubuncane % |
| Ubulukhuni (Brinell) | 215 Max HB |
● Ukusetshenziswa kwe-304 Stainless Steel
Imboni yezokwelapha ivame ukusebenzisa i-304 SS ngoba ibekezelela amakhemikhali okuhlanza anamandla ngaphandle kokugqwala. Njengenye yezinhlobo ezimbalwa ze-alloy ezihlangabezana nemithethonqubo yezempilo ye-Food and Drug Administration yokulungiselela ukudla, imboni yokudla ivame ukusebenzisa i-304 SS.
Ukulungiselela ukudla: Ama-fryer, amatafula okulungiselela ukudla.
Imishini yasekhishini: izitsha zokupheka, izinto zesiliva.
Ezokwakha: izindonga, ama-lifti, izindawo zokugezela.
Ezokwelapha: amathileyi, amathuluzi okuhlinza.
2. Izakhiwo ze-316 Stainless Steel
I-316 iqukethe izakhiwo eziningi zamakhemikhali nezomshini ezifana nensimbi engagqwali engu-304. Ngamehlo enyama, lezi zinsimbi ezimbili zibukeka zifana. Kodwa-ke, ukwakheka kwamakhemikhali kwe-316, okwakhiwa yi-16% chromium, 10% nickel, kanye ne-2% molybdenum, umehluko omkhulu phakathi kwensimbi engagqwali engu-304 kanye ne-316.
● Izakhiwo Ezibonakalayo ze-316 SS
| Indawo yokuncibilika | 1400℃ |
| Ubuningi | 8.00 g/cm^3 |
| I-Modulus ye-Elasticity | 193 GPa |
| Ukwanda Kokushisa | 15.9 x 10^-6 |
| Ukuqhuba Okushisayo | 16.3 W/mK |
● Izakhiwo Zemishini ze-316 SS
| Amandla Okudonsa | 400-620 Mpa |
| Ukuphakama okungu-A50 mm | 45% iminithi |
| Ubulukhuni (Brinell) | I-HB ephezulu engu-149 |
Izicelo ze-316 Stainless Steel
Ukwengezwa kweMolybdenum ku-316 kwenza ukuthi imelane nokugqwala kakhulu kune-alloys efanayo. Ngenxa yokumelana kwayo nokugqwala okuphezulu, i-316 ingenye yezinsimbi eziyinhloko zezindawo zasolwandle. Insimbi engagqwali i-316 isetshenziswa nasezibhedlela ngenxa yokuqina kwayo nokuhlanzeka.
Ukuphathwa kwamanzi: ama-boiler, ama-heater amanzi
Izingxenye zasolwandle - izinsimbi zesikebhe, intambo yocingo, izitebhisi zesikebhe
Imishini Yezokwelapha
Imishini yokucubungula amakhemikhali
Insimbi Engagqwali engu-304 vs 316: Ukumelana Nokushisa
Ukumelana nokushisa kuyisici esibalulekile okufanele sicatshangelwe lapho kuqhathaniswa amazinga ahlukene ensimbi engagqwali. Ububanzi bokuncibilika obungu-304 bungama-degree Fahrenheit angaba ngu-50 kuya ku-100 ngaphezu kuka-316. Nakuba ububanzi bokuncibilika obungu-304 buphakeme kuno-316, bobabili banokumelana okuhle nokungcoliswa kwe-oxidation ekusetshenzisweni okuvamile okufika ku-870°C (1500℉) kanye nasekusetshenzisweni okuqhubekayo ku-925°C (1697℉).
304 SS: Iphatha kahle ukushisa okuphezulu, kodwa ukusetshenziswa okuqhubekayo ku-425-860 °C (797-1580 °F) kungabangela ukugqwala.
316 SS: Isebenza kahle kakhulu emazingeni okushisa angaphezu kuka-843 ℃ (1550 ℉) nangaphansi kuka-454 ℃ (850°F)
Umehluko Wentengo we-304 Stainless Steel vs 316
Yini eyenza i-316 ibize kakhulu kune-304 stainless steel?
Ukwanda kokuqukethwe kwe-nickel kanye nokwengezwa kwe-molybdenum ku-316 kwenza kubize kakhulu kune-304. Ngokwesilinganiso, intengo yensimbi engagqwali engu-316 iphakeme ngo-40% kunentengo ye-304 SS.
Insimbi Engagqwali engu-316 vs 304: Yikuphi Okungcono?
Uma kuqhathaniswa insimbi engagqwali engu-304 vs 316, zombili zinezinzuzo kanye nokubi okufanele zicatshangelwe lapho kunqunywa ukuthi iyiphi okufanele isetshenziswe ezinhlotsheni ezahlukene. Isibonelo, insimbi engagqwali engu-316 imelana kakhulu nosawoti kanye nezinye izinto ezibolayo kune-304. Ngakho-ke, uma ukhiqiza umkhiqizo ovame ukubhekana nokuchayeka kumakhemikhali noma endaweni yasolwandle, i-316 iyindlela engcono kakhulu.
Ngakolunye uhlangothi, uma ukhiqiza umkhiqizo ongadingi ukumelana nokugqwala okunamandla, i-304 iyisinqumo esisebenzayo nesingambi eqolo. Ezinhlelweni eziningi, i-304 kanye ne-316 empeleni ziyashintshana.
I-Jindalai Steel Group ingumhlinzeki ochwepheshe futhi ohamba phambili kwensimbi nensimbi engagqwali. Thumela umbuzo wakho futhi sizokujabulela ukubonisana nawe ngobuchwepheshe.
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Isikhathi sokuthunyelwe: Disemba 19-2022
