Bayan quenching da tempering jiyya na bututu maras kyau, sassan da aka samar suna da kyawawan kaddarorin inji kuma ana amfani da su sosai a sassa daban-daban masu mahimmanci na tsarin, musamman waɗanda ke haɗa sanduna, kusoshi, gears da shafts waɗanda ke aiki a ƙarƙashin madaidaicin lodi. Amma taurin saman ba shi da ƙarfi kuma baya jurewa. Za a iya amfani da zafin jiki + quenching don inganta taurin sassa.

Abubuwan sinadaransa sun ƙunshi abun ciki na carbon (C) na 0.42 ~ 0.50%, Si abun ciki na 0.17 ~ 0.37%, Mn abun ciki na 0.50 ~ 0.80%, da abun ciki Cr<=0.25%.
Yanayin zafin zafin da aka ba da shawarar: daidaitawa 850 ° C, kashe 840 ° C, zafin jiki 600 ° C.

Gabaɗaya bututun ƙarfe maras sumul ana yin su da ƙarfe mai inganci mai inganci, wanda ba shi da wahala da sauƙi a yanke. Ana amfani da shi sau da yawa a cikin ƙira don yin samfuri, tukwici, jagororin jagora, da sauransu, amma ana buƙatar maganin zafi.

1. Bayan quenching kuma kafin zafin jiki, taurin karfe ya fi HRC55, wanda ya cancanta.
Mafi girman taurin aikace-aikace shine HRC55 (high mita quenching HRC58).

2. Kada kayi amfani da tsarin maganin zafi na carburizing da quenching don karfe.
Bayan quenching da tempering, sassan suna da kyawawan kaddarorin inji kuma ana amfani dasu sosai a sassa daban-daban masu mahimmanci na tsarin, musamman waɗanda ke haɗa sanduna, kusoshi, gears da shafts waɗanda ke aiki a ƙarƙashin madaidaicin lodi. Amma taurin saman ba shi da ƙarfi kuma baya jurewa. Za a iya amfani da zafin jiki + quenching don inganta taurin sassa.

Ana amfani da jiyya na carburizing gabaɗaya don sassa masu nauyi tare da ƙasa mai jurewa da jigon tasiri, kuma juriyar sa ya fi quenching da tempering + quenching surface. Abubuwan da ke cikin carbon akan saman shine 0.8-1.2%, kuma ainihin shine gabaɗaya 0.1-0.25% (ana amfani da 0.35% a lokuta na musamman). Bayan jiyya na zafi, saman zai iya samun taurin gaske (HRC58-62), kuma ainihin yana da ƙananan taurin da tasiri.