Gabatarwa zuwa
304 karfe ne na kowa bakin karfe, kuma aka sani da 18/8 bakin karfe a cikin masana'antu.Its juriya ya fi 430 bakin karfe, amma farashin yana da arha fiye da bakin karfe 316, don haka ana amfani da shi sosai a rayuwa, kamar: wasu manyan kayan abinci na bakin karfe, bakin karfe na waje, da dai sauransu. Ko da yake 304 karfe ne. sosai a kasar Sin, sunan "304 karfe" ya fito ne daga Amurka.Mutane da yawa suna tunanin cewa karfe 304 sunan samfuri ne a Japan, amma a zahiri, sunan hukuma na karfe 304 a Japan shine "SUS304".304 karfe wani nau'i ne na bakin karfe na duniya, wanda aka yi amfani da shi sosai wajen samar da kayan aiki da sassan da ke buƙatar aiki mai kyau (lalata juriya da tsari).Don kiyaye juriyar lalata da ke cikin bakin karfe, dole ne karfe ya ƙunshi fiye da 16% chromium da fiye da 8% abun ciki na nickel.304 bakin karfe alama ce ta bakin karfe da aka samar daidai da ma'aunin ASTM na Amurka.304 yayi daidai da 0Cr18Ni9 bakin karfe a kasar mu.
Haɗin Sinadari
Matsayin sinadarai na karfe 304 shine 06Cr19Ni10 (tsohuwar sa -0Cr18Ni9) mai dauke da 19% chromium da 8-10% nickel.
C Si Mn PS Cr Ni (nickel) Mo
SUS304 sinadaran abun da ke ciki ≤0.08 ≤1.00 ≤2.00 ≤0.05 ≤0.03 18.00-20.00 8.00~10.50
Yawan yawa
Girman bakin karfe 304 shine 7.93g / cm3
Dukiyar jiki
σb (MPa) ≥515-1035 σ0.2 (MPa) ≥205 δ5 (%)≥40
Taurin: ≤201HBW;≤92HRB;≤210HV
Standard na
Don 304 karfe yana da mahimmancin mahimmanci, kai tsaye yana ƙayyade juriya na lalata, amma kuma yana ƙayyade ƙimarsa.Abubuwan da suka fi muhimmanci a cikin karfe 304 sune Ni da Cr, amma ba'a iyakance ga waɗannan abubuwa guda biyu ba.An ƙayyade takamaiman buƙatun ta ma'aunin samfur.Hukuncin gama gari na masana'antar ya yi imanin cewa muddin abun ciki na Ni ya fi 8%, abun ciki na Cr ya fi 18%, ana iya ɗaukar karfe 304.Wannan shine dalilin da ya sa masana'antar ke kiran irin wannan nau'in bakin karfe 18/8 bakin karfe.A gaskiya ma, ƙayyadaddun samfurori masu dacewa don 304 karfe suna da cikakkun tanadi, kuma waɗannan samfurori na samfurori daban-daban na bakin karfe kuma akwai wasu bambance-bambance.
Lokacin aikawa: Agusta-03-2023
