Farantin karfe mai jurewa sawa:
(1) NM360 (mai jure sawa 360)
Suna: N shine juriya (nai) M shine harafin pinyin na farko na haruffan Sinanci guda biyu don niƙa (mo), kuma 360 yana wakiltar matsakaicin taurin Brinell na wannan farantin karfe.
Maganin zafi: zafi mai zafi, quenching + tempering (quenching da tempering)
Aikace-aikace: NM360 lalacewa-resistant karfe takardar ne yadu amfani da ma'adinai kayan, kwal ma'adinai kayan, muhalli
Hakanan ana amfani da shi azaman ƙarfe mai ƙarfi mai ƙarfi tare da ƙarfin yawan amfanin ƙasa ≥ 700MPa.Musamman don ba da kariya ga lokuta ko sassan da ke buƙatar juriya, ta yadda kayan aikin ke daɗaɗa rai, rage raguwar gyare-gyaren da ke haifarwa ta hanyar kulawa, kuma daidai da rage saka hannun jari.
Aiki: Yawan amfanin ƙasa ya haura 800, kuma ƙarfin ɗaure ya wuce 1000.
(2) NM400
NM400 faranti ne na ƙarfe mai ƙarfi mai ƙarfi.NM400 yana da babban ƙarfin injin;da inji Properties ne 3 zuwa 5 sau na talakawa low-alloy karfe zanen gado;zai iya inganta haɓaka juriya na sassan da ke da alaƙa da inji;don haka inganta rayuwar sabis na injuna da rage farashin samarwa.Taurin saman wannan samfurin yawanci ya kai 360 ~ 450HB.Abubuwan da ake amfani da su na faranti na ƙarfe don sarrafawa da kera na'urori masu juriya da lalacewa don ma'adinai da injunan gini daban-daban.
NM400 lalacewa-resistant karfe takardar ne yadu amfani a yi injuna, ma'adinai inji, kwal ma'adinai inji, kare muhalli inji, karfe inji da sauran samfurin sassa.Excavator, Loader, farantin guga, farantin gefe, farantin gefen gefe, ruwa.Crusher liners, ruwan wukake.
(3) Mn13 (misali high manganese karfe)
Mn13 babban ƙarfe ne mai jurewa manganese (HIGH MANGANESE STELL SCRAP), wanda shine mafi kyawun zaɓi tsakanin kayan da ba su da ƙarfi kamar tasiri mai ƙarfi da lalacewa mai ƙarfi.
Akwai manyan halaye guda biyu na babban ƙarfe na manganese: ɗayan shine cewa mafi girman tasirin waje, mafi girman juriya na saman saman sa.Lokacin da abin ya shafa, taurin samansa zai ƙaru da sauri daga HB200 zuwa sama da HB700, don haka yana samar da saman saman da ba ya jurewa.Austenite a cikin Layer na ciki na farantin karfe har yanzu yana kula da tasiri mai kyau;na biyu shi ne cewa tare da lalacewa a hankali a hankali na farfajiyar da aka taurare, sabbin yadudduka masu taurin aiki za su ci gaba da samuwa.
Mn13 farantin karfe na birgima yana da kyakkyawan juriya ga ƙarfin tasiri mai ƙarfi da lalacewa mai ƙarfi, ba zai karye yayin amfani ba, kuma yana da ƙayyadaddun kayan aiki masu sauƙi kamar yankan, walda, da lankwasawa.
Babban simintin simintin gyare-gyare na chromium da aka saba amfani dashi yana da kyakkyawan juriyar lalacewa kawai don motsi.Mn13 birgima karfe farantin iya yadda ya kamata rage amfani da farashin sanye da sassa na kayan aiki, ajiye kayan aiki halin kaka, da kuma inganta m kayayyakin gama.
Koyaya, juriya na babban ƙarfe na manganese yana nuna fifikonsa kawai a ƙarƙashin yanayin da ya isa ya samar da ƙarfin aiki, kuma yana da talauci a wasu lokuta.
Mn17 na yau da kullun mai jurewa babban manganese karfe shine ƙara yawan manganese akan tushen Mn13, wanda ke inganta kwanciyar hankali na austenite kuma yana hana hazo na carbide, ta haka inganta ƙarfi da filastik na ƙarfe da haɓaka aikin. hardening ikon karfe.da abrasion juriya.Misali, rayuwar sabis na cokulan dogo na ZGMn18 da ake amfani da su a arewa shine 20% ~ 25% sama da na ZGMn13.
Maki da iyakokin aikace-aikace na babban manganese karfe da aka fi amfani da su a kasar Sin sune: ZGMn13-1 (C 1.10% ~ 1.50%) ana amfani da shi don ƙananan tasiri, ana amfani da ZGMn13-2 (C1.00% ~ 1.40%) don sassa na yau da kullun, ZGMn13- 3 (C0.90% ~ 1.30%) ana amfani dashi don hadaddun sassa, kuma ana amfani da ZGMn13-4 (C0.90% ~ 1.20%) don babban tasiri sassa.Abubuwan da ke cikin manganese na sama da maki huɗu na ƙarfe shine 11.0% zuwa 14.0%.
Don waldawa da gyare-gyare, dole ne a zaɓi na'urorin lantarki na manganese-nickel na austenite (nau'in D256 ko D266), tare da ƙayyadaddun tsayi mai tsayi da bakin ciki, φ3.2mm × 350mm, kuma murfin waje shine alkaline.Hanyar aiki tana ɗaukar haɗin juzu'i na DC, ƙaramin halin yanzu, baka mai rauni, ƙaramin katako mai walƙiya da yadudduka walda da yawa, kuma koyaushe yana kiyaye ƙarancin zafin jiki da ƙarancin zafi.Beat yayin walda don kawar da damuwa.Dole ne a gano aibi mai mahimmancin simintin gyaran kafa.Flash waldi (Swiss GAAS80/700 flash waldi inji) ko MAG waldi (kamar Nissan YD-S-500) za a iya amfani da mafi muhimmanci waldi, wanda zai iya yadda ya kamata tabbatar da waldi kabu inji Properties.
Shafi 1: Ma'anar taurin
Taurin shine ma'aunin aiki don auna laushi da taurin kayan.Akwai hanyoyi da yawa na gwajin taurin, ka'idodin ba iri ɗaya ba ne, kuma ma'aunin taurin ƙima da ma'anoni ba daidai ba ne.Mafi na kowa shi ne static load indentation Hanyar gwajin taurin, wato Brinell hardness (HB), Rockwell hardness (HRA, HRB, HRC), Vickers hardness (HV), roba roba Shore hardness (HA, HD) da sauran taurin darajarsa yana nuna iyawar saman kayan don tsayayya da kutse na abu mai wuya.Taurin ba adadi ne mai sauƙi na jiki ba, amma cikakkiyar ma'aunin aiki da ke nuna elasticity, robobi, ƙarfi da taurin kayan.
Taurin Karfe: Sunan lambar taurin ƙarfe shine H. Dangane da hanyoyin gwaji daban-daban, galibi akwai maganganu masu zuwa.
●Maganganun al'ada sun haɗa da Brinell (HB), Rockwell (HRC), Vickers (HV), Leeb (HL) hardness, da dai sauransu, daga cikinsu HB da HRC sun fi amfani da su.
●HB yana da nau'ikan aikace-aikace, kuma ana amfani dashi gabaɗaya lokacin da kayan yayi laushi, kamar ƙarfe mara ƙarfe, ƙarfe kafin maganin zafi ko bayan annealing.HRC ya dace da kayan da ke da taurin saman ƙasa, kamar taurin maganin zafi, da sauransu.
Bambance-bambancen da ke tsakanin su biyun shi ne cewa binciken masu gwajin taurin sun bambanta.Binciken na'urar gwajin taurin Brinell ƙwallaye ne na ƙarfe, yayin da binciken na'urar gwajin taurin Rockwell lu'u-lu'u ne.A ƙarƙashin wasu sharuɗɗa, ana iya musayar HB da HRC ta hanyar duba tebur.Ƙididdigar ƙididdiga ta tunani za a iya ƙididdige shi kamar: 1HRC≈1/10HB.
●HV-dace don nazarin microscopic.Vickers hardness (HV) an danna cikin saman kayan tare da nauyin ƙasa da 120kg da mazugi na mazugi na lu'u-lu'u tare da kusurwar tsaye na 136 °, kuma yanki na rami na kayan yana rarraba ta hanyar kaya. darajar, wanda shine Vickers hardness value (HV).Rockwell hardness (HR-) an ƙaddara ta zurfin nakasar filastik indentation don tantance ƙimar ƙimar taurin.Yana da sauƙi don aiki, sauri da fahimta, kuma ya dace da samar da taro.
Abin da aka makala 2: Karfe mai jure lalacewa da aka saba amfani da shi
Na gida (Wugang, Xingang, Wuhan Iron da Karfe, Nangang, Baosteel): NM360, NM400, NM450, NM500, NR360, NR400, B-HARD360, B-HARD400, B-HARD450
Yaren mutanen Sweden lalacewa-resistant karfe: HARDOX400, HARDOX450, HARDOX500, HARDOX600, SB-50, SB-45
Karfe mai jure lalacewa na Jamus: XAR400, XAR450, XAR500, XAR600, Dillidur400, Dillidur500
Belgian karfe mai jure lalacewa: QUARD400, QUARD450, QUARD500
Karfe mai jurewa na Faransa: FORA400, FORA500, Creusabro4800, Creusabro8000
Karfe mai jurewa na Finnish: RAEX400, RAEX450, RAEX500
Jafananci lalacewa mai jurewa karfe: JFE-EH360, JFE-EH400, JFE-EH500, WEL-HARD400, WEL-HARD500.
Lokacin aikawa: Janairu-29-2023