20Cr gami da bututu mara nauyiyana daya daga cikin manyan bututun karfe na gami da mafi girma a cikin ƙasata kuma yana da fa'ida ta fa'ida.Sin GB misali karfe lambar 20Cr;Jafananci JIS daidaitaccen lambar karfe SCr22;Jamus DIN misali karfe lambar 20Cr4;British BS misali karfe lambar 590M17;Faransanci NF misali karfe lambar 18C3;American AISI/SASTM misali karfe lambar 5120;International Standards Organization ISO daidaitaccen karfe No. 20Cr4.
Halaye
20Cr gami karfe bututuyana da in mun gwada da kyau hardenability, matsakaici ƙarfi da tauri.Ƙarƙashin ƙarfin man mai zuwa rabin taurin martensitic shine Φ20-Φ23mm.Bayan carburizing da quenching surface ƙarfafa jiyya, lafiya allura-kamar tempered martensite za a samu a saman mold tare da taurin 58-62HRC;Za a sami tsarin martensite mai ƙarancin carbon a tsakiyar tare da taurin 35-40HRC.Matrix yana da babban ƙarfi da ƙarfi, kuma yana iya Haɗuwa da buƙatun aiki na babban ƙarfin ƙarfi, ƙarfi mai ƙarfi, ƙarfin ƙarfi mai ƙarfi da juriya mai dacewa na ƙirar aikin sanyi.Normalizing zai iya inganta spheroidization na tsarin, tace babban proeutectoid ferrite, da kuma inganta yankan aikin na blank.
Amfani
20Cr bututun ƙarfe mara nauyigalibi ana amfani da su don kera sassan carburized (mai kashe mai) tare da manyan buƙatun ƙarfin ƙarfi, lalacewa ta sama, sassan giciye da ke ƙasa da 30mm, ko hadaddun sifofi da ƙananan lodi, kamar: kayan injin gearbox gears, gear shafts, Cams, tsutsotsi, fistan fil. , ƙuƙumi, da sauransu;don sassa tare da ƙananan nakasar maganin zafi da juriya mai girma, ya kamata a yi quenching mai tsayi mai tsayi bayan carburization, irin su gears, shafts.20Cr bututu maras sumulHakanan za'a iya amfani dashi a cikin yanayin da aka kashe da kuma yanayin zafi don kera sassan da ke aiki a cikin babban sauri da jure matsakaicin nauyin tasiri.Hakanan za'a iya amfani da shi azaman ƙarancin carbon martensitic quenching karfe don ƙara ƙara ƙarfin yawan amfanin ƙasa da ƙarfin ɗaure na karfe.
Lokacin aikawa: Dec-19-2023