1) A cikin alamar canji mai canji shine, wato, kusan 500-600 ℃, Ruwa a cikin Steam Film, Ruwa a cikin Storming ba shi da sauri, sau da yawa yana haifar da daidaitawaKagajisanyaya da isasshen saurin sanyi da kuma samuwar "m aya". A cikin tsarin canjin martaba, shine, kusan 300-100 ℃, Ruwan yana cikin saurin canjin yanayi ya yi sauri kuma yana da matukar damuwa da lalacewa har ma da fatattaka.
2) Ruwan zafin ruwa yana da babban tasiri akan ƙarfin sanyaya, don haka yana kula da canjin zafin jiki na yanayi. Kamar yadda ruwan zafin jiki ya tashi, ƙarfin sanyaya sanyaya ya sauko sosai, da kewayon zazzabi da mafi girman darajar sanyaya motsa zuwa ƙarancin zafin jiki. Lokacin da ruwa zazzabi ya wuce 30 ℃, adadin mai sanyi yana raguwa sosai a cikin kewayon 500-600 ℃, wanda sau da yawa yana haifar da taurara nayi zura da, amma ba ta da wani abu kadan a kan farashin sanyaya a cikin kewayon canjin Martensite. Lokacin da zazzabi ya tashi zuwa 60 ℃, ragin sanyi zai ragu da kusan 50%.

3) Lokacin da ruwan ya ƙunshi ƙarin gas (kamar sabon canjin ruwa), ko ruwa ya hadu da rashin daidaituwa, kamar yadda ake amfani da shi da kuma gudanarwa da kuma gudanar da aiki da sarrafawa ya kamata su kula da su.
Dangane da halayen sanyaya na ruwa, ruwa gabaɗaya H za a iya amfani da shi zuwa quenching sanyaya carbon karfeyi zura datare da karamin girman sashi da kuma tsari mai sauki. Shin, dole ne shima lura: Rike ruwan zafin jiki na ƙasa 40 ℃, mafi kyau tsakanin 15 zuwa 30 ℃, kuma ku rufe ruwa ko ruwa, don lalata daKagajiMatsakaicin Steam membrane, shima zai iya amfani da juyawa mai juyawa yayin Quenching (ko sanya darajar sanyaya) zuwa ƙasa, yanayin sanyaya-ruwa, guzuri yanayin yin laushi.