Ya ji daɗin zafishine ya manta da ƙarfe sama da zafin jiki na sake dawowa.
Arfara yawan zafin jiki na iya inganta filayen ƙarfe, ana samun dacewa don haɓaka ingancin kayan aikin, saboda haka ba abu mai sauƙi ba ne. Babban zazzabi zai iya rage juriya na ƙarfe, rage abubuwan da ake buƙata na masarawa ta mura. Amma ingantaccen tsari, daidaitaccen aikin kayan aiki matalauta ne, farfajiya ba ta santsi ba, m da asarar iskar shaka, da rashin ci da ke ƙonawa. Lokacin da kayan aikin yayi girma da girma, ƙarfin ikon yana da yawa da kuma filayen ƙarin lokacin farin ciki, da sauransu),ya ji daɗin zafiana amfani dashi. Lokacin da baƙin ƙarfe (kamar kai, tin, zinc, jan ƙarfe, aluminium, da sauransu) yana da matuƙar ƙyalli, sau da yawa ba a yi amfani da iska mai kyau ba, amma yi amfani da ƙyalli mai zafi. Rahotsi Matsaka tsakanin zafin jiki na farko daMarain da aka mantaZazzabi na zafi ya ƙyale yakamata ya zama babba kamar yadda zai yiwu a cimma matsaya mai gamsarwa kamar yadda zai yiwu ta hanyar dumama. Koyaya, babbaFarin cikiZazzabi zai haifar da haɓakar hatsi na ƙarfe da samuwar overheating, wanda zai rage ingancin ƙaho. Lokacin da zazzabi ya kusa zuwa ga melting nuni na karfe, low narke m abu melting da hade-hade-hade. Billets na ƙonewa da shi galibi ana karye lokacin. Janarya ji daɗin zafiZazzabi shine: carbon karfe 800 ~ 1250 ℃; Alloy wani tsari na karfe 850 ~ 1150 ℃; Babban saurin ƙarfe 900 ~ 1100 ℃; Aluman aluminum siloy 380 ~ 500 ℃; Titanium alloy 850 ~ 1000 ℃; Brass 700 ~ 900 ℃.

Sanyi ya mantayana ƙasa da yawan zafin jiki na ƙarfe na ƙyalli, galibi ana kiranta yanayin zafin jiki a ɗakin, kuma ba fiye da yawan zafin jiki na recrystallization na da sha'awa ana kiransa. Tsarin mawuyacin m ya zama mafi girma, farfajiya ya fi santsi da lalata juriya ba babba ba ne.
Aikin motsa jiki wanda aka kirkira ta hanyar sanyi ta manta a karkashin yanayin zafin jiki yana da madaidaicin madaidaici a cikin tsari da girma, farfajiya mai kyau, fewan matakan sarrafawa da sauƙin sarrafa kansa. Mutane da yawa da sanyi da sanyi-sanyi sassan za a iya amfani da su azaman sassa ko samfuran ba tare da buƙatar yankan ba. Amma asanyi ya manta, saboda ƙananan filayen ƙarfe na ƙarfe, abu ne mai sauki mu fasa yayin nakasa, da kuma lalata lalata yana da girma, don hakaBabban zantinkuma latsa injina ake bukata.