2205 duplex bakin karfe ne duplex bakin karfe hada da 21% chromium, 2.5% molybdenum da 4.5% nickel-nitrogen gami. Tsarin ferrite da austenite kowanne yana lissafin kusan 50%. Yana da babban ƙarfi, tasiri mai kyau tauri da kyau gabaɗaya da juriya na lalata na gida. Ƙarfin yawan amfanin ƙasa na 2205 duplex bakin karfe sau biyu na austenitic bakin karfe. Wannan fasalin yana ba masu zanen kaya damar rage nauyi lokacin zayyana samfuran, yin wannan gami ya fi tsada fiye da 316 da 317L. Wannan gami ya dace musamman don kewayon zafin jiki na -50°F/+600°F. Don aikace-aikacen da suka wuce wannan kewayon zafin jiki, ana iya yin la'akari da wannan gami, amma akwai wasu iyakoki, musamman idan aka yi amfani da su akan sigar walda.
Idan aka kwatanta da 316L da 317L austenitic bakin karfe, 2205 duplex bakin karfe yana da kyakkyawan aiki a juriya ga lalata lalata da lalata. Yana da babban juriya na lalata. Idan aka kwatanta da austenitic, ƙimar haɓakar haɓakar thermal yana da ƙasa kuma ƙarancin wutar lantarki ya fi girma. Idan aka kwatanta da austenitic bakin karfe, duplex bakin karfe 2205 gami yana da sau biyu ta matsa lamba ƙarfi. Idan aka kwatanta da 316L da 317L, mai zane zai iya rage nauyinsa. Alloy 2205 ya dace musamman don kewayon zafin jiki na -50°F/+600°F. Ƙarƙashin ƙaƙƙarfan ƙuntatawa (musamman don tsarin walda), kuma ana iya amfani dashi a ƙananan yanayin zafi.
Duplex bakin karfe simintin gyaran kafayana nufin simintin gyare-gyaren da aka yi da bakin karfe mai duplex. Duplex Bakin Karfe (DSS) yana nufin bakin karfe tare da ferrite da austenite kowane lissafin kusan kashi 50%. Gabaɗaya, abun ciki na ƙananan matakai yana buƙatar zama aƙalla 30%. A cikin yanayin ƙarancin abun ciki na C, abun cikin Cr shine 18% zuwa 28%, kuma abun cikin Ni shine 3% zuwa 10%. Wasu bakin karfen duplex kuma sun ƙunshi abubuwa masu haɗaka kamar Mo, Cu, Nb, Ti, da N.
DSS na da halayen austenitic da ferritic bakin karfe. Idan aka kwatanta da ferrite, yana da mafi girma plasticity da ductility, babu dakin zafin jiki brittleness, kuma muhimmanci inganta intergranular lalata juriya da waldi yi, yayin da har yanzu rike brittleness, high thermal watsin, da superplasticity kamar ferrite bakin karfe. Idan aka kwatanta da bakin karfe na austenitic, DSS yana da babban ƙarfi kuma yana da matukar haɓaka juriya ga lalatawar intergranular da lalata damuwa na chloride. Bakin karfe Duplex yana da kyakkyawan juriyar lalata kuma shima bakin karfe ne mai ceton nickel.
A cikin samar da simintin gyare-gyare, yawancin simintin bakin karfe ana kammala suzuba jari. Filayen simintin gyare-gyaren bakin karfe da aka samar ta hanyar zuba jari ya fi santsi kuma daidaiton girman yana da sauƙin sarrafawa. Hakika, kudin nazuba jari simintin bakin karfe sassayana da inganci idan aka kwatanta da sauran matakai da kayan aiki.
▶ Abubuwan iyawaZuba Jari Cemin Foundry
• Girman Girma: 1,000 mm × 800 mm × 500 mm
• Nauyin Nauyi: 0.5 kg - 100 kg
• Yawan Shekara: ton 2,000
• Kayayyakin Lantarki don Gina Shell: Silica Sol, Gilashin Ruwa da haɗe-haɗensu.
Haƙuri: Akan Buƙatar.
▶ Babban Tsarin Samar da Zuba Jari
• Ƙirƙirar ƙirar kakin zuma ko kwafi
• Sanya ƙirar kakin zuma
• Saka hannun jari na kakin zuma
• Cire samfurin kakin zuma ta hanyar kona shi (cikin tanderun ko a cikin ruwan zafi) don ƙirƙirar mold.
• Ƙaddamar da narkakkar ƙarfe a zuba a cikin ƙura
• sanyaya da ƙarfi
• Cire sprue daga simintin gyaran kafa
• Kammala da goge ƙãre simintin saka hannun jari
