42CrMo gami da bututu mara nauyi wani nau'i ne na bututun ƙarfe mai ƙarfi, ƙarfin ƙarfi, da juriya mai girma, wanda aka yi da shi42CrMo gami karfe.Yana da kyawawan kaddarorin inji, irin su ƙarfi mai ƙarfi, ƙarfi mai ƙarfi, juriya mai ƙarfi, da juriya mai ƙarfi, kuma ya dace da kera sassan injiniyoyi da kayan aiki tare da babban nauyi, ƙarfi mai ƙarfi, da buƙatun ƙarancin lalacewa.42CrMo gami da bututun ƙarfe mara nauyi ana amfani da su sosai a fannoni kamar jirgin sama, sararin samaniya, kera motoci, ginin jirgi, man fetur, sinadarai, ƙarfe, gini, da masana'antu.
1. Bayanin maganin zafi don42CrMo bututun ƙarfe mara nauyisune kamar haka: dumama zafin jiki 1150 ~ 1200 ° C, farawa zazzabi 1130 ~ 1180 ° C, da kuma ƙarewa zafin jiki> 850 ° C, φ> A 50mm, jinkirin sanyaya.
2. Ƙididdigar ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun ƙayyadaddun yanayin zafi shine 850 ~ 900 ° C, tare da sanyaya iska bayan fitarwa.
3. High zafin jiki tempering takamaiman: Tempering zafin jiki 680-700 ° C, iska sanyaya bayan tanderu sallama.
4. Quenching da tempering bayani dalla-dalla: preheating zafin jiki 680-700 ° C, quenching zafin jiki 840-880 ° C, man sanyaya, tempering zafin jiki 580 ° C, ruwa ko man sanyaya, taurin ≤ 217HBW.
5. Ƙayyadewa ga ƙananan zafin jiki quenching da toughening magani: quenching zafin jiki 900 ° C, tempering zafin jiki 560 ° C, taurin (37 ± 1) HRC6, shigar da quenching da tempering ƙayyadaddun: quenching zazzabi 900 ° C, tempering zafin jiki 150-180 ° C , taurin 54-60HRC.
6. 42CrMo karfe ne hõre cryogenic magani, wanda zai iya hazo sosai tarwatsa ultrafine carbides daga quenched martensite.Bayan ƙananan zafin jiki a 200 ℃, waɗannan ultrafine carbide za a iya canza su zuwa carbides.
Lokacin aikawa: Yuni-06-2023