40Cr gami da bututu maras kyau

Takaitaccen Bayani:

Alloy maras sumul karfe bututu ne mai irin sumul karfe bututu, kuma aikinsa ya fi na talakawa sumul karfe bututu.Domin irin wannan nau'in bututun ƙarfe ya ƙunshi ƙarin Cr, tsayin daka na zafin jiki, ƙarancin zafin jiki da juriya na lalata ba za a iya kwatanta shi da sauran bututun ƙarfe maras sumul ba.Don haka, ana amfani da bututun gami sosai a masana'antar mai, masana'antar sinadarai, wutar lantarki, tukunyar jirgi da sauran masana'antu.