Uma ukhetha izinto zensimbi engagqwali, i-3Cr12 kanye ne-410S yizinketho ezimbili ezivame ukusetshenziswa. Nakuba zombili ziyizinsimbi ezingagqwali, zibonisa umehluko omkhulu ekwakhiweni kwamakhemikhali, ukusebenza, kanye nezindawo zokusetshenziswa. Lesi sihloko sizohlola umehluko oyinhloko phakathi kwalezi zingcwecwe ezimbili zensimbi engagqwali kanye nezinhlelo zazo zokusebenza, sikusize wenze izinqumo ezinolwazi ngamaphrojekthi akho.
Iyini insimbi engagqwali engu-3Cr12?
Ishidi lensimbi engagqwali elingu-3Cr12iyinsimbi engagqwali ye-ferritic equkethe u-12% Cr, okulingana nebanga laseYurophu elingu-1.4003. Iyinsimbi engagqwali ye-ferritic engabizi esetshenziselwa ukufaka esikhundleni sensimbi yekhabhoni ehlanganisiwe, insimbi eshintshashintshayo kanye ne-aluminium. Inezici zokucubungula nokukhiqiza okulula, futhi ingashiselwa ngobuchwepheshe bokushisela obujwayelekile. Ingasetshenziswa ukwenza: ozimele bezimoto, i-chassis, ama-hopper, amabhande okuhambisa, izikrini ze-mesh, imigqomo yokuhambisa, amabhini amalahle, izitsha namathangi, amashimoni, imibhobho yomoya, kanye nezembozo zangaphandle, Amaphaneli, izindlela zokuhamba ngezinyawo, izitebhisi, imisele, njll.
Iyini insimbi engagqwali engu-410S?
Insimbi engagqwali engu-410Siwukuguqulwa kwensimbi engagqwali ye-martensitic 410 okunekhabhoni ephansi, okungaqini kakhulu. Iqukethe cishe i-chromium engu-11.5-13.5% kanye nenani elincane lezinye izinto ezifana ne-manganese, i-phosphorus, i-sulfur, i-silicon, futhi ngezinye izikhathi i-nickel. Okuqukethwe kwekhabhoni okuphansi kwe-410S kuthuthukisa ukushibilika kwayo futhi kunciphisa ingozi yokuqina noma ukuqhekeka ngesikhathi sokushibilika. Kodwa-ke, lokhu kusho nokuthi i-410S inamandla aphansi uma kuqhathaniswa ne-410 ejwayelekile. Inikeza ukumelana okuhle kokugqwala, ikakhulukazi ezindaweni ezithambile, kodwa ayimelani kakhulu nezinsimbi ezingagqwali ze-austenitic ezifana ne-304 noma i-316.
Ukwakheka Kwamakhemikhali Kwepuleti Lensimbi le-Ⅰ.3Cr12 kanye ne-410S
Ngokusho kwe-ASTM A240.
| Ibanga | Ni | C | Mn | P | S | Si | Cr |
| 3Cr12 | 0.3-1.0 | 0.03 | 2.0 | 0.04 | 0.030 | 1.0 | 10.5-12.5 |
| 3Cr12L | 0.3-1.0 | 0.03 | 1.5 | 0.04 | 0.015 | 1.0 | 10.5-12.5 |
| 410S | 0.75 | 0.15 | 1.0 | 0.04 | 0.015 | 1.0 | 11.5-13.5 |
Izakhiwo zePleti Lensimbi engu-Ⅱ.3Cr12 kanye ne-410S
Insimbi Engagqwali engu-3Cr12:Ibonisa ukuqina okuhle kanye nokushiselwa, ifanelekela izindlela ezahlukene zokucubungula.Inikeza amandla aphakathi kanye nokumelana nokuguguleka, okwenza ikwazi ukumelana nokucindezeleka okuthile kwemishini.
Insimbi Engagqwali engu-410S:Inobulukhuni obuphezulu, okwenza ifaneleke ukusetshenziswa kwezinga lokushisa eliphezulu, kodwa ayikwazi ukushibilika kahle. Amandla ayo nokumelana nokushisa kuyenza iphumelele ezimweni zokushisa okuphezulu.
| Ibanga | I-Rm(MPa) | Ukuqina Okuphezulu (BHN) | Ukwelulwa |
| 3Cr12 | 460 | 220 | 18% |
| 3Cr12L | 455 | 223 | 20% |
| 410S | 415 | 183 | 20% |
Izindawo Zokufaka Isicelo Sepuleti Lensimbi engu-Ⅲ.3Cr12 kanye ne-410S
3Cr12:Isetshenziswa kakhulu emishinini yamakhemikhali, emishinini yokucubungula ukudla, kanye nezinto zokwakha. Ukumelana kwayo nokugqwala okuhle kwenza kube kuhle kakhulu ezindaweni ezinomswakama nezine-asidi.
410S:Ivame ukusetshenziswa ezingxenyeni ze-turbine, kuma-boiler, kanye nama-heat exchanger ezindaweni ezishisa kakhulu. Ifanele izinhlelo zokusebenza ezidinga ukushisa nokumelana nokuguguleka.
Ⅳ. Isifinyezo Sokuqhathanisa
Izici Eziyinhloko ze-3Cr12:
• Ukwakheka: Okuqukethwe kwe-Chromium okungu-11.0–12.0%, okuqukethwe kwekhabhoni ≤ 0.03%.
• Ukumelana Nokugqwala: Kufanelekile ezindaweni ezigqwala kancane, njengezingxenye zesakhiwo, imishini yokumba, kanye nezicelo ezijwayelekile zezimboni.
• Ukushibilika: Ukusebenza kahle kokushibilika ngenxa yokuqukethwe kwayo okuphansi kwekhabhoni.
| Okujwayelekile | Ibanga |
| Izinga laseNingizimu Afrika | 3Cr12 |
| Izinga laseYurophu | 1.4003 |
| Izinga lase-US | I-UNS S41003 (410S) |
| Izinga Lomhlaba Wonke | I-X2CrNi12 |
• 410S: Ubulukhuni obuphezulu kodwa ukuqina okuphansi kancane, akunawo ama-titanium, kulula ukuwashisela, futhi kufanelekile ukusetshenziswa okuvamile okumelana nokugqwala.
• 3Cr12: Ikhabhoni ephansi, engabizi kakhulu, ifaneleka ezindaweni ezingcolisa kancane, futhi ikwazi ukushibilika kahle.
Isikhathi sokuthunyelwe: Okthoba-24-2024