718 moldKarfe 718 na roba mai siffar ƙarfe wanda Sweden ASSAB ke samarwa yana da halaye na injiniya, iya sarrafa injina, da kuma fasahar sarrafawa mai sauƙi, don haka ana amfani da shi sosai a masana'antar sarrafa mold da samarwa. Bugu da ƙari, an riga an taurare ƙarfe 718 mai siffar ƙarfe zuwa tauri na 41 ~ 47HRC bayan barin masana'antar ta hanyar wani tsari na musamman na samarwa, wanda zai iya rage haɗin maganin zafi a wasu ayyuka da kuma inganta fa'idodin tattalin arziki.

Karfe mai siffar Henglei 718, 3Cr2NiMo na ƙasarmu an inganta shi daga P20 (3Cr2Mo), kuma an inganta ingancinsa sosai don cike gibin ƙarfe mai siffar P20 da kuma cika lokutan da ƙarfe mai siffar P20 ba zai iya cika buƙatun ba. Baya ga ma'aunin ƙarfe na yau da kullun na ƙasar Sin da aka ambata a sama, ma'aunin ƙarfe da ke bayyana a kasuwar ƙarfe mai siffar P20+Ni na ƙasarmu. 718, 718H (ASSAB), PX5\PX4 (Japan Datong Special Steel), GS-711, GS-738, GS-312, GS-318 (Jamus Thyssen), M238 ECOPLUS (Bai Lu Company) na Austria, CS718 (China Great Wall Special Steel), SWP20 (Shanghai No. 5 Steel Company), da sauransu, don haka ban da rashin amfani da shi ga sassan mold na filastik waɗanda ke da buƙatun juriya ga tsatsa, a halin yanzu ma'aunin ƙarfe ne na yau da kullun don amfani da shi azaman ƙarfe na roba mai amfani da shi gabaɗaya. Yawanci ana kiransa da "ƙarfe mai siffar filastik", kuma sabbin nau'ikan ƙarfe da aka ƙirƙiro galibi suna amfani da shi azaman kwatancen yau da kullun.

Yanayin masana'anta: ASSAB 718 HB: 290-310

Matsayin isarwa: Ana isar da ƙarfen a yanayin da aka yi masa fenti. Bayan yarjejeniya tsakanin juna, ana iya isar da shi ba tare da an yi masa fenti ba.

Karfe 718 wani ƙarfe ne na roba mai hana acid daga madubi na Sweden wanda aka yi masa tauri, wanda aka yi masa ado da madubi mai kauri. An riga an yi masa tauri, yana da kayan aiki iri ɗaya, tsafta mai kyau, aikin gogewa da kuma aikin sassaka hoto. Hakanan yana da ƙarfin tauri mai yawa, kyakkyawan aikin sarrafa lantarki da kuma aikin sarrafa dermatoglyph. Haka kuma ana iya amfani da ƙarfe mai tauri a cikin ramin manne ba tare da kashewa ba, kuma ana iya taurare flange don ƙara tauri zuwa 52HRC.

Karfe yana da kyakkyawan ƙarfin injina da juriyar lalacewa, da kuma rarrabawar tauri iri ɗaya. Hakanan yana da kyakkyawan aikin gogewa, fasahar sarrafawa mai sauƙi da matsakaicin farashi, don haka yawan amfani yana da yawa.