Nau'in Bakin 304yana ɗaya daga cikin nau'ikan ƙarfe mafi amfani kuma ana amfani da shi sosai. Haɗin Chromium-Nickel austenitic ne wanda ke ɗauke da aƙalla kashi 18% na Chromium da 8% na Nickel tare da matsakaicin kashi 0.08% na Carbon. Ba za a iya taurare shi ta hanyar maganin zafi ba amma aikin sanyi na iya samar da ƙarfi mai ƙarfi. Haɗin Chromium da Nickel suna ba da Type 304 tare da juriya ga tsatsa da iskar shaka fiye da ƙarfe ko ƙarfe. Yana da ƙarancin sinadarin carbon fiye da 302 wanda ke ba shi damar rage yawan ruwan sama na chromium carbide saboda walda da tsatsa tsakanin granular. Yana da kyawawan halaye na ƙira da walda.

Nau'in 304 yana da ƙarfin juriya na ƙarshe na psi 51,500, ƙarfin yawan amfanin ƙasa na psi 20,500 da kuma tsawaitawa na 40% a cikin 2". Nau'in bakin ƙarfe 304 yana zuwa cikin girma dabam-dabam da siffofi, gami da sandar ƙarfe, kusurwa, zagaye, faranti, tashar da katako. Ana amfani da wannan ƙarfe a masana'antu da yawa don dalilai daban-daban. Wasu misalai sune kayan aikin sarrafa abinci, kayan aikin kicin da kayan aiki, fale-falen katako, kayan ado, kwantena na sinadarai, maƙallan ƙarfe, maɓuɓɓuga, da sauransu.