Chemical abun da ke ciki na 304 bakin karfe C ≤ 0.08 Si ≤ 1.00 Mn ≤ 2.00 P ≤ 0.05 S ≤ 0.03 Cr 18.00-20.00 Ni (nickel) 8.00 ~ 10.50 -;
Abubuwan sinadaran 304L bakin karfe shine% C: ≤ 0.03, Si: ≤ 1.0, Mn: ≤ 2.0, Cr: 17.0 ～ 19.0, Ni: 8.0 ～ 11.0, S: ≤ 0.03, P: .
Ana iya ganin cewa manyan abubuwan da ke cikin bakin karfe 304 da bakin karfe 304L sune 18% chromium (Cr) da 8% nickel (Ni);Babban bambanci tsakanin su shine 304L bakin karfe shine ƙananan carbon 304 karfe.Gabaɗaya, juriya na lalata na 304L bakin karfe yayi kama da 304 bakin karfe, amma bayan waldi ko taimako na danniya, juriyar juriya na 304L bakin karfe yana da kyau kwarai.
Dangane da farashin, 304L bakin karfe yana da girma fiye da bakin karfe 304, kuma bakin karfe 304L yana da ƙarancin carbon bakin karfe, galibi yana zartar da tsarin walda.Lokacin waldi, 304L bakin karfe na iya rage lalata walda yadda ya kamata.
Bisa ga ma'aunin taurin, 304 bakin karfe ya fi 304L bakin karfe, saboda abun ciki na carbon kai tsaye yana rinjayar taurin bakin karfe.Bugu da kari, akwai 304H bakin karfe jerin.H yana nuna babban abun ciki na carbon.
Dangane da aikace-aikacen, 304: 0Cr18Ni9, a matsayin karfe tare da aikace-aikace masu yawa, yana da kyakkyawan juriya na lalata, juriya na zafi, ƙananan zafin jiki da kayan aikin injiniya;Stamping, lankwasawa da sauran zafi workability ne mai kyau, kuma babu wani zafi magani hardening sabon abu (ba Magnetic, amfani da zazzabi na - 196 ℃ ~ 800 ℃).Abubuwan gida (Kayan tebur 1 da 2, kabad, bututun cikin gida, dumama ruwa, tukunyar jirgi, bathtubs), sassa na mota (masu goge gilashin iska, maƙera, samfuran gyare-gyare), kayan aikin likita, kayan gini, sunadarai, masana'antar abinci, aikin gona, da sassan jirgi. .
304L: 00Cr19Ni10 ƙananan ƙarfe C 304 ne.Gabaɗaya, juriyarsa na lalata yana kama da na ƙarfe 304, amma bayan walda ko taimako na damuwa, juriya na lalata iyakar hatsi yana da kyau;Yana kuma iya kula da kyau lalata juriya ba tare da zafi magani, da kuma sabis zafin jiki ne - 196 ℃～ 800 ℃.
Ana amfani da shi zuwa injunan waje a cikin masana'antar sinadarai, kwal da masana'antar mai tare da manyan buƙatu don juriyar lalata iyakokin hatsi, sassa masu jure zafi na kayan gini da sassan sifili tare da matsaloli a cikin maganin zafi.
