DarajaH11 karfewani nau'i ne na kayan aiki na kayan aiki mai zafi wanda ke da alaƙa da tsayin daka ga gajiyawar thermal, kyakkyawan tauri, da kuma taurin mai kyau. Yana cikin tsarin ƙirar ƙarfe na AISI/SAE, inda "H" ke nuna shi azaman kayan aiki mai zafi na karfe, kuma "11" yana wakiltar takamaiman abun da ke cikin wannan rukunin.
H11 karfeyawanci ya ƙunshi abubuwa kamar chromium, molybdenum, vanadium, silicon, da carbon, da sauransu. Wadannan alloying abubuwa taimaka wa kyawawa kaddarorin, kamar high zafin jiki ƙarfi, juriya ga nakasawa a dagagge yanayin zafi, kuma mai kyau lalacewa juriya.This sa na karfe da aka saba amfani da aikace-aikace inda kayan aiki da kuma mutu an hõre high yanayin zafi a lokacin da ake gudanar, kamar a cikin ƙirƙira, extrusion, mutu simintin gyare-gyare, da zafi stamping matakai. H11 karfe an san shi don kiyaye kayan aikin injiniya har ma a yanayin zafi mai tsayi, yana sa ya dace da buƙatar aikace-aikacen aikin zafi.
Gabaɗaya, darajaH11 karfeyana da ƙima don haɗuwa da tauri, juriya na thermal, da ƙarfin ƙarfi, yana mai da shi zaɓin da aka fi so don aikace-aikacen masana'antu daban-daban waɗanda suka haɗa da yanayin zafi da damuwa na inji.
Lokacin aikawa: Afrilu-08-2024