1) A cikin yanayin canji mai canzawa shine zane na hali na hali, shine, kusan 500-600 ℃, ruwa a cikin Steam, ruwa a cikin Storming sanyaya da kuma isasshen sanyayagyarwar sauriKuma samuwar "aya mai taushi" .in tsarin canji na martaba, shine, kusan saurin canzawar yanayi, yana haifar da rashin jin daɗi 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 ruwa ya tashi, ƙarfin sanyaya sanyaya ya ragu sosai, kuma kewayon zafin jiki na yawan sanyi ya wuce 30 ℃, da sau da yawa yana haifar da harbin kuɗi nayi zura da, amma ba shi da ɗan lokaci akan ƙimar sanyaya a cikin kewayon canji na Martensite. Duk lokacin da ruwa zazzabi zai ragu zuwa kusan 50%.

Lokacin da ruwan ya ƙunshi ƙarin gas (kamar sabon canjin ruwa), ko ruwa ya hade da rashin daidaituwa, kamar yadda ya kamata ya rage ƙarfin sanyi, ya kamata a biya ta musamman da hankali ga amfani da gudanarwa.
Dangane da halayen sanyaya na ruwa, ruwa gaba daya ana iya amfani da shi zuwa quenching sanyaya carbonkarfe sun manta daTare da karamin girman sashi da kuma mai sauki. ma'ana.