Bakin ƙarfe
Bakin ƙarfe
A aikace kamar silinda, ƙararrawa, da sauran sassan da aka kafa, bakin bakin karfe ana amfani da su. Tubing zai iya sarrafa sifofi iri-iri, kamar murabba'i da rectangular, ban da ƙarin na gargajiya, zagaye na gizagizai. Yawanci, Astma 511 da A554 maki suna aiki don aikace-aikacen tubing na inji.
Bakin ƙarfe
431 babban babban chromium ne, low niklel, babban ƙarfi na Martensitic bakin karfe tare da babban ƙarfi da kyawawan ƙarfi da kuma kyawawan iko da kyawawan juriya. Idan aka kwatanta da sauran maki 400 na bakin ciki, 431 bakin karfe an tsara su ne don inganta juriya da lalata lalata da wahala da wahala, musamman a quench taurare bakin karfe. 431 zai yi rijiya a cikin yanayin marine da kuma a cikin aikace-aikacen Aerospace kamar jirgin sama masu daraja da kayan haɗi. Wannan alloy yana da matukar tasiri sosai a matakan babban aiki.