Kazhinji yekucheka waya inoremara nekuda kwekunyorova kwayo kana ichishanda, uye kureba kwayo kweparutivi kunova kupfava, izvo zvinokanganisa kurongeka uye nekukurumidza kwekucheka maitiro.Iyo iron-chromium-aluminium waya yakaoma, asi ine brittle uye iri nyore kuputsika.Waya yepakutanga yeGerman yekucheka haizopfave, haizoregi pakupisa kwakanyanya, uye inogara kwenguva refu.Ndiyo yakanakisa kupisa kupisa waya.
Waya yekucheka inounzwa kubva kuGermany ine yakanaka pamusoro oxidation kuramba uye yakakwirira tembiricha simba.Iyo yakanyanya kusimba kusimba kweyakajairwa mudzimba yekucheka waya ndeye 780, uye iyo inotengeswa kunze waya yekucheka inogona kusvika 1800, ine yakanaka yekugadzirisa kuita.Iyo yakanakisa yekucheka mhedzisiro inogona kuwanikwa nekugadzirisa tembiricha uye kucheka kukurumidza, uye mhando uye density yezvinhu zvinokanganisa kukurumidza kucheka.