Maganin zafi na saman shine kewayon hanyoyin da ake amfani da su musamman tare da sassan ƙarfe waɗanda ke amfani da dumama ta hanyoyi daban-daban na lokuta daban-daban don cimma buƙatun kayan saman.Ɗaya daga cikin hanyoyin magance zafi da aka saba amfani da shi don sassan ƙarfe shine taurin.Kamar yadda sunan ya nuna, taurin yana haifar da taurara a kan ɓangaren ƙarfe.

A surface hardening, da surface na karfe part aka farko mai tsanani zuwa ga canji zafin jiki na 800 ℃ ko mafi girma da kuma wani adadin carbon ne narkar da a cikin surface.Sa'an nan kuma ana sanyaya ɓangaren ta amfani da mai ko ruwa yayin da carbon ke da yawa a cikin ɓangaren ɓangaren.Wannan yana haifar da tauri.Launin saman sassa masu taurare yana canzawa zuwa launin toka mara nauyi.

Prolean yana ba da maganin zafi na saman don sassan karfe.