1. Ninka don gyara manufar wannan sakin layi
H13 ƙarfe mai mutuwaAna amfani da shi wajen kera injinan da ke da babban nauyin aiki, injinan fitar da zafi, injinan da ke da daidaito wajen kera injinan; injinan da ke da simintin ƙarfe don aluminum, jan ƙarfe da kuma ƙarfen da ke cikinsu.

Wannan shine gabatarwar ƙarfe mai ƙarfi na H13 daga Amurka. Halayensa da amfanin sa iri ɗaya ne da na ƙarfe 4Cr5MoSiV, amma saboda yawan sinadarin vanadium da yake da shi, matsakaicin zafinsa (digiri 600) ya fi ƙarfe 4Cr5MoSiV kyau. Yana da nau'in ƙarfe mai wakilci tare da amfani iri-iri a cikin ƙarfe mai zafi.
2. Siffofi
Karfe mai narkewar electroslag, ƙarfen yana da ƙarfin tauri da juriyar fashewa mai zafi, ƙarfen yana ɗauke da sinadarin carbon da vanadium mafi girma, juriyar lalacewa mai kyau, ƙarfin da ya ragu, da kuma juriyar zafi mai kyau. A yanayin zafi mafi girma, yana da ƙarfi da tauri mafi kyau, juriyar lalacewa mai yawa da tauri, kyawawan halaye na injiniya da kuma juriyar juriya mai ƙarfi.
3. Sinadarin ƙarfe
Karfe H13 ƙarfe ne na C-Cr-Mo-Si-V, wanda ake amfani da shi sosai a duniya. A lokaci guda, masana da yawa daga ƙasashe daban-daban sun gudanar da bincike mai zurfi a kansa kuma suna binciken inganta sinadaran da ke cikinsa. Ana amfani da ƙarfe sosai kuma yana da kyawawan halaye, galibi ana tantance shi ta hanyar sinadaran da ke cikin ƙarfe. Tabbas, dole ne a rage abubuwan da ke cikin ƙarfe. Wasu bayanai sun nuna cewa lokacin da Rm ya kai 1550MPa, yawan sulfur na kayan yana raguwa daga 0.005% zuwa 0.003%, wanda zai ƙara ƙarfin tasirin da kusan 13J. Babu shakka, ma'aunin NADCA 207-2003 ya ƙayyade cewa yawan sulfur na ƙarfe H13 mai inganci ya kamata ya zama ƙasa da 0.005%, yayin da yawan sulfur na superior ya kamata ya zama ƙasa da 0.003% S da 0.015% P. An yi nazarin abun da ke cikin ƙarfe H13 a ƙasa.

Carbon: American AISI H13, UNS T20813, ASTM (sabon sigar) H13 da FED QQ-T-570 H13 suna da sinadarin carbon na (0.32 ~ 0.45)%, wanda shine mafi yawan sinadarin carbon a cikin dukaKarfe H13Faɗi. Yawan sinadarin carbon a cikin Jamusanci X40CrMoV5-1 da 1.2344 shine (0.37~0.43)%, kuma kewayon sinadarin carbon yana da ɗan ƙaranci. A cikin Jamusanci DIN17350, yawan sinadarin carbon a cikin X38CrMoV5-1 shine (0.36~0.42)%. Yawan sinadarin carbon a cikin SKD 61 a Japan shine (0.32~0.42)%. Yawan sinadarin carbon a cikin 4Cr5MoSiV1 da SM4Cr5MoSiV1 a cikin GB/T 1299 da YB/T 094 na ƙasata shine (0.32~0.42)% da (0.32~0.45)%, waɗanda suke iri ɗaya da SKD61 da AISI H13, bi da bi. Musamman ma, ya kamata a lura cewa yawan sinadarin carbon da ke cikin ƙarfen H13 a cikin Ƙungiyar Simintin Die ta Arewacin Amurka NADCA 207-90, 207-97 da 207-2003 an ƙayyade su kamar haka (0.37~0.42)%.

Karfe H13 mai ɗauke da kashi 5% na Cr ya kamata ya kasance yana da ƙarfi sosai, don haka ya kamata a kiyaye yawan C ɗinsa a matakin da ke samar da ƙaramin adadin mahaɗan ƙarfe na C. Woodyatt da Krauss sun nuna cewa a cikin zane na mataki na biyu na Fe-Cr-C a 870℃, matsayin ƙarfe na H13 ya fi kyau a mahadar yankuna uku na austenite A da (A+M3C+M7C3). Adadin C ɗin da ya dace yana da kusan kashi 0.4%. Wannan adadi ya kuma nuna ƙaruwar adadin C ko Cr don ƙara yawan M7C3, da kuma ƙarfe na A2 da D2 waɗanda ke da juriyar lalacewa don kwatantawa. Hakanan yana da mahimmanci a kula da ƙarancin abun ciki na C don sa ma'aunin Ms na ƙarfe ya ɗauki matakin zafin jiki mai yawa (ƙarfe na Ms na H13 gabaɗaya ana kwatanta shi da 340℃), don a iya kashe ƙarfen zuwa zafin ɗaki. Samu tsarin hadadden ƙarfe na C wanda ya ƙunshi martensite tare da ƙaramin adadin ragowar A da kuma rarrabawar uniform ɗin da ya rage, sannan a sami tsarin martensite mai laushi iri ɗaya bayan an tace shi. A guji canza austenite da aka riƙe da yawa a zafin aiki don shafar aikin aiki ko nakasa na kayan aikin. Ya kamata a canza waɗannan ƙananan adadin austenite da aka riƙe gaba ɗaya a cikin hanyoyin dumama biyu ko uku bayan an kashe su. Af, an nuna a nan cewa tsarin martensite da aka samu bayan an kashe ƙarfe na H13 shine lath M + ƙaramin adadin flake M + ƙaramin adadin ragowar A. Ƙananan carbide ɗin ƙarfe masu kyau sun zube akan lath M bayan an rage su. Masana na cikin gida suma sun yi wasu ayyuka.