Bakin ƙarfe 303 (SS 303) yana ɗaya daga cikin sassan rukunin ƙarfe na ƙarfe. SS 303 ƙarfe ne mai austenitic wanda ba shi da maganadisu kuma ba ya taurarewa. Aikin da ake yi a yanzu yana ƙoƙarin inganta sigogin tsarin juyawa na CNC don kayan SS303 kamar saurin spindle, ƙimar ciyarwa da zurfin yankewa. Ana amfani da abubuwan da aka shafa na adana tururi na jiki (PVD). Ana zaɓar ƙimar cire kayan (MRR) da tauri na saman (SR) azaman martanin fitarwa don tsarin ingantawa. Ana samar da samfurin launin toka-fuzzy tsakanin ƙimar fitarwa da aka daidaita da ƙimar darajar launin toka mai dacewa. An yanke shawarar haɗin saitin sigogi mafi kyau na shigarwa don samun mafi kyawun amsoshin fitarwa bisa ga ƙimar darajar tunani mai launin toka-fuzzy da aka samar. An yi amfani da nazarin dabarar bambance-bambancen don gano tasirin kowane abubuwan shigarwa wajen cimma sakamako mafi kyau.