Ba a bayyana ma'anar ƙarfe na musamman ba a duniya, kuma ƙididdigar ƙididdiga na ƙarfe na musamman a ƙasashe daban-daban ba iri ɗaya ba ne.
Masana'antar karafa ta musamman a kasar Sin ta shafi Japan da Turai.
Ya ƙunshi nau'ikan nau'ikan ƙarfe masu inganci guda uku, ƙarfe mai ƙarfi, da ƙarfe mai ƙarfi.
An bude shi azaman babban ingancin carbon karfe tsarin karfe, gami tsarin karfe, carbon kayan aiki karfe, gami kayan aiki karfe, High-gudun kayan aiki karfe, hali karfe, spring karfe (carbon spring karfe da gami spring karfe), zafi-resistant karfe. da bakin karfe.
Domin ana samar da alluran zafin jiki mai zafi da kayan kwalliya masu kyau a cikin injinan ƙarfe na musamman, waɗannan allunan guda biyu kuma suna cikin lissafin ƙungiyoyin ƙarfe na musamman. A cikin nau'in karfe na musamman, ban da babban ingancin carbon tsarin karfe, kayan aiki na carbon da carbon spring karfe, sauran su ne gami karfe, wanda ke da kusan kashi 70% na karafa na musamman.
A halin yanzu, akwai kusan maki 2,000 na ƙarfe na musamman a duniya, kimanin nau'ikan nau'ikan bayanai 50,000 ne, kuma daruruwan ƙa'idodin bincike.
Lokacin aikawa: Janairu-19-2020