Cikakken jagora ga bakin karfe 17-4PH
Menene bakin karfe 17-4PH?
Bakin karfe 17-4PH, wanda kuma aka sani da SUS630, hazo ne mai taurare bakin karfe.1 Ta hanyar kara abubuwa kamar jan karfe, molybdenum, da niobium, ana samun taurin hazo, ta yadda zai iya kiyaye tauri da karfi bayan quenching. Yana da kyawawan kaddarorin inji da kaddarorin sarrafawa kuma ana amfani da su sosai a sararin samaniya, kayan aikin sinadarai, kayan aikin likita da sauran fannoni.
Chemical abun da ke ciki na bakin karfe 17-4PH
| Na lokaci-lokaci | Abun ciki |
| C | ≤0.07 |
| Kuma | ≤1.00 |
| Mn | ≤1.00 |
| C | 15.00-17.50 |
| A ciki | 3.00-5.00 |
| P | ≤0.04 |
| S | ≤0.03 |
| Tare da | 3.00-5.00 |
| Nb | 0.15-0.45 |
Kaddarorin jiki na bakin karfe 17-4PH
| Kayayyaki | Darajoji |
| Yawan yawa | 7.75 g/cm³ (0.280 lbs/in³) |
| Takamaiman Zafi | 0.46 J/g°C |
| Juriya na Lantarki | 6.4 x 10^-7 m |
| Rage Narkewa | 1400-1440°C (2560-2625°F) |
| Thermal Conductivity (a 100 ° C) | 18 W/m·K |
| Modul na roba | 190-210 GPA |
| Matsakaicin Ƙididdigar Ƙarfafawar Thermal | 10.8 x 10^-6 /C |
Kayayyakin Injini na Bakin Karfe 17-4PH
Bakin Karfe 17-4PH yana da babban ƙarfi da tauri, yayin da kuma yana nuna kyakkyawan tauri da ductility. Babban kayan aikin injiniya sune kamar haka:
- Ƙarfin Ƙarfi: 1100-1300 MPa
- Ƙarfin HaɓakaSaukewa: 950-1050MPa
- Yawan Ragewa A Yanki: ≥40%
- Tsawaitawa: 10-15%
- Tauri: 28-38 HRC
Amfanin Bakin Karfe 17-4PH
- Babban Ƙarfi da Tauri: Bayan hazo hardening jiyya, 17-4PH iya cimma sosai high ƙarfi da taurin, tare da yawan amfanin ƙasa ƙarfi har zuwa 1100-1300 MPa (160-190 ksi).
- Kyakkyawan Juriya na Lalata: A mafi yawan lalatattun wurare, 17-4PH bakin karfe gami yana nuna juriya mafi girma, wanda ya zarce sauran daidaitattun ƙarfe na ƙarfe. Saboda haka, ana amfani da shi sosai a kayan aikin shirya abinci, abubuwan haɗin sararin samaniya, mai da iskar gas, da masana'antar sarrafa sinadarai.
- Kyakkyawan Machinability da Weldability: Ana iya sarrafa shi cikin sauƙi ta hanyar amfani da hanyoyin sarrafa kayan gargajiya kamar yanke da walda.
- Ƙarfafa Ayyukan Jiyya na Heat: Za'a iya daidaita kaddarorinsa na injiniya ta hanyoyi daban-daban na maganin zafi.
- Babban Daidaitawa: 17-4PH bakin karfe ne sosai customizable. Musamman ta hanyar foda karfe allura gyare-gyare, da gami za a iya keɓance ga takamaiman aiki bukatun, yin shi manufa zabi ga daban-daban masana'antu aikace-aikace.
- Kyakkyawan Dorewa: 17-4PH bakin karfe sananne ne don samar da kyakkyawan ƙarfi da ƙarfi a yanayin zafi daban-daban. Yana da ƙarancin haɓakar haɓakar thermal kuma yana iya cimma babban ƙarfin maganadisu, yana sa ya dace da aikace-aikacen manyan ayyuka, gami da muryoyi da ingantattun lamination na mota.
Lalacewar Bakin Karfe 17-4PH
- Babban farashi: Saboda kyakkyawan aikinsa, farashin 17-4PH yana da inganci.
- Yana Bukatar Madaidaicin Tsarin Magani Zafi: Don cimma kyakkyawan aiki, tsarin kula da zafi yana buƙatar kulawa sosai.
- Ƙarfin Ƙarfi: Ko da yake yana da ƙarfin ƙarfi, ƙarfinsa yana da ƙananan ƙananan, wanda zai iya haifar da karaya a ƙarƙashin nauyin tasiri.
Maganin Bakin Karfe 17-4PH
Tauraruwar shekarun, wanda kuma aka sani da taurin hazo, yana amfani da ɓangarorin da ke akwai ko ƙazanta masu ƙarfi don ƙara ƙarfin gami. 17-4 bakin karfe ya dace sosai don wannan tsari.
Don tsufa 17-4 bakin karfe PH, ana amfani da maganin maganin da farko, sannan quenching da tsufa. Ana yin maganin a 1050 ° C na minti 30. Don kammala taurin hazo, kewayon zafin jiki shine 480 ° C zuwa 760 ° C, yawanci yana buƙatar sa'o'i biyu zuwa huɗu.
Wadannan sune kaddarorin inji na 17-4PH bakin karfe a karkashin yanayi daban-daban na maganin zafi:
Abubuwan Jiki | |||||
Yanayi | Tashin hankali | yawa | Tsawaitawa | Rage Yanki | Tauri |
H900 | 190 KSI | 170 KSI | 10% | 35% | Farashin 35HRC |
H1025 | 155 KSI | 145 KSI | 12% | 45% | 40HRC |
H1075 | 145 | 125 | 13 | 45 | 33-39HRC |
H1150 | 135 | 105 | 16 | 50 | 28-37HRC |
H1150D | 125 | 105 | 16 | 50 | 25-33HRC |
Hanyoyin sarrafawa
- Zafafa Forming: Don zafi kafa bakin karfe 17-4PH, da kafa zazzabi ya kamata a sarrafa. Ana iya yin zafi mai zafi a 1100-1200 ° C, amma ana buƙatar sanyaya da sauri don guje wa ƙananan hatsi.
- Samuwar sanyi: Saboda tsananin ƙarfinsa, sanyin kafa yana da wahala kuma yawanci yana buƙatar kumburin tsaka-tsaki.
- Laser Yankan: Ya dace da ma'auni na ma'auni na 17-4PH, yankan laser yana ba da madaidaicin madaidaici da babban sauri, yana sa ya dace don yanke siffofi masu rikitarwa.
- Walda: Bakin karfe 17-4PH yana da kyau weldability kuma zai iya amfani da low zafi shigar waldi matakai, kamar TIG waldi ko Laser waldi.
- Farashin CNC: Kayan aiki masu ƙarfi sun dace da mashin ɗin CNC, amma ana buƙatar kayan aiki masu ƙarfi.
- Farashin EDM: Wire Electrical Discharge Machining (EDM) ya dace da madaidaicin yankan kayan aiki mai ƙarfi, cimma daidaito mai kyau da inganci mai kyau.
- Nika: Ana iya amfani da niƙa don kammala sassa, cimma babban madaidaici da kyakkyawan ƙarewa, yana buƙatar kayan aiki mai ƙarfi mai ƙarfi.
- NI:Ƙarfe Molding (MIM)ya dace da kera ƙananan sassa masu rikitarwa.
Teburin aiki na bakin karfe 17-4Ph abu a cikin tsarin MIM
| Kayan abu | Yawan yawa(g/cm³) | Ƙarfin Ƙarfi(MPa) | Ƙarfin Haɓaka(MPa) | Tsawaitawa(%) | Tauri(HRC) | Thermal Conductivity(W/m·K) | Juriya na Lantarki(Ωm) |
| 17-4PH Bakin Karfe | 7.75 | 1100-1300 | 950-1050 | 10-15 | 28-38 | 18 | 6.4 x 10^-7 |
| 316L Bakin Karfe | 7.99 | 480-620 | 170-310 | 30-40 | 20-25 | 16.3 | 7.4 x 10^-7 |
| 304L Bakin Karfe | 7.85 | 515-740 | 210-310 | 40-50 | 20-25 | 16.2 | 7.2 x 10^-7 |
| 440C Bakin Karfe | 7.70 | 760-2000 | 450-1900 | 2-3 | 57-60 | 24.2 | 5.5 x 10^-7 |
| 420 Bakin Karfe | 7.74 | 520-700 | 400-600 | 10-20 | 50-55 | 24 | 5.3 x 10^-7 |
| 430 Bakin Karfe | 7.74 | 450-700 | 310-345 | 22-30 | 35-45 | 25 | 5.8 x 10^-7 |
Aikace-aikace na 17-4PH a cikin Samfuran MIM
Fasahar Injection Molding (MIM) ta ba da damar yin amfani da kayan 17-4PH da yawa a cikin samar da ƙananan sassa masu rikitarwa. Ana amfani da waɗannan sassa sosai a cikin na'urorin lantarki, kayan aikin likita, masana'antar kera motoci, da sararin samaniya. Misali:
- Na'urorin likitanci: Ana amfani da shi don kera kayan aikin tiyata, dasawa, da sauran abubuwan da ake buƙata.
- Na'urorin LantarkiAn yi amfani da shi don samar da madaidaicin sassa a cikin wayoyin hannu, kwamfutar tafi-da-gidanka, da sauran samfuran lantarki.
- Masana'antar Motoci: Ana amfani da shi don kera sassa masu ƙarfi kamar kayan aikin injin da sassan tsarin watsawa.
- Jirgin sama: Ana amfani da shi don samar da sassa masu girma kamar kayan aikin jirgin sama da sassan injin.
FAQ
Menene Bakin Karfe 17-4PH?
Bakin Karfe 17-4PH shine hazo-hardening bakin karfe tare da babban ƙarfi da kyau lalata juriya.
Shin 17-4 bakin karfe Magnetic?
Kamar duk kayan ƙarfe, bakin karfe 17-4 ya zama magnetic bayan taurin.
Shin 17-4 bakin karfe tsatsa?
Ana ɗaukar wannan gami da ƙarfin tsatsa mai ƙarfi, musamman idan aka kwatanta da sauran nau'ikan bakin karfe. Koyaya, idan bakin karfe 17-4PH yana fallasa zuwa matsanancin yanayi na tsawon lokaci kuma ba a kiyaye shi da kyau ba, har yanzu yana iya yin tsatsa a ƙarƙashin wasu yanayi.
Menene ƙarfin juzu'i na bakin karfe 17-4?
Matsakaicin ƙarfin ƙarfi na wannan gami shine 160,000 PSI (fam a kowace murabba'in inci), kuma yana iya kaiwa har zuwa 210,000 PSI a ƙarƙashin yanayin ƙayyadaddun shekaru.
Menene manyan abubuwan sinadarai na bakin karfe 17-4PH?
Babban abubuwan da aka haɗa sun haɗa da Chromium (15.0-17.5%), Nickel (3.0-5.0%), Copper (3.0-5.0%), da Niobium (0.15-0.45%).
Menene yawa na bakin karfe 17-4PH?
Girmansa shine 7.75 g/cm³.
Wadanne hanyoyin sarrafawa za a iya amfani da su don bakin karfe 17-4PH?
Ana iya sarrafa shi ta hanyar samar da zafi, sanyi mai sanyi, yankan Laser, walda, injin CNC, Wire EDM, niƙa, da MIM.
Menene babban amfanin 17-4PH bakin karfe?
Abubuwan amfaninsa sun haɗa da ƙarfin ƙarfi, kyakkyawan juriya na lalata, da kyawawan kaddarorin injina.
A waɗanne filaye ne 17-4PH bakin karfe da farko da ake amfani da su a cikin tsarin MIM?
Ana amfani da shi musamman a sararin samaniya, na'urorin likitanci, ingantattun kayan aiki, da sassan mota.