1) a cikin austenite isothermal canji zane na hankula yankin, wato, game da 500-600 ℃, ruwa a cikin tururi film mataki, da sanyaya kudi ba sauri isa, sau da yawa haifar m sanyaya da kasa sanyaya.saurin ƙirƙirada samuwar "launi mai laushi" . A cikin tsarin canji na martensite, wato, game da 300-100 ℃, ruwa yana cikin mataki na tafasa, yawan kwantar da hankali yana da sauri, mai sauƙi don yin saurin sauyawar martensite yana da sauri kuma yana samar da damuwa mai yawa na ciki, wanda zai haifar da lalatawar ƙirƙira har ma da fashewa.

2) Ruwan zafin jiki yana da tasiri mai girma akan iyawar sanyaya, don haka yana kula da canjin yanayin yanayi. Kamar yadda ruwan zafin jiki ya tashi, da sanyaya iya aiki saukad da sharply, da kuma zazzabi kewayon matsakaicin sanyaya kudi matsawa zuwa low temperature.When da ruwa zafin jiki ya wuce 30 ℃, da sanyaya kudi rage muhimmanci a cikin kewayon 500-600 ℃, wanda sau da yawa take kaiwa zuwa hardening naƙirƙira, amma yana da kadan tasiri a kan sanyaya kudi a cikin kewayon martensite transformation.Lokacin da ruwa zafin jiki yakan zuwa 60 ℃, da sanyaya kudi zai ragu da game da 50%.

idan ruwan ya ƙunshi iskar gas mai yawa (kamar sabon ruwan da aka canza), ko kuma ruwan da aka haɗe shi da najasa maras narkewa, kamar mai, sabulu, laka, da sauransu, zai rage ƙarfin sanyaya sosai, don haka ya kamata a ba da kulawa ta musamman ga amfani da sarrafawa.
Dangane da yanayin sanyaya na ruwa, ana iya amfani da ruwa gabaɗaya H ga sanyayawar carbonkarfe forgingstare da kananan sashe size da sauki shape.Quenching, dole ne kuma lura: kiyaye ruwa zafin jiki a kasa 40 ℃, mafi kyau tsakanin 15 zuwa 30 ℃, da kuma kiyaye ruwa ko ruwa wurare dabam dabam, don halakar da ƙirƙira surface tururi membrane, kuma zai iya amfani da lilo workpiece a lokacin quenching (ko sa workpiece motsa sama da ƙasa) Hanyar zuwa subvert da sanyi 0 membrane, ƙara da digiri na tururi - 6 5 digiri na tururi membrane, ƙara da digiri 0 na tururi membrane, ƙara da digiri na 0 ℃5. yanayin sanyaya, kauce wa samar da laushi mai laushi.