Sankhani 20Crmo, 42Crmo, 40CrNiMo aloyi zipangizo .Forging, Machining, kutentha kutentha, kuwomberedwa kuphulika, akupera ndi njira zina processing ntchito kusintha Abrasion kukana ndi kukana zotsatira za mankhwala, ndi kuonjezera mankhwala moyo utumiki.