304 da 316 nau'ikan nau'ikan bakin karfe ne, kuma "ƙarshensu" yana nufin nau'in saman ko bayyanar karfe. Bambanci tsakanin waɗannan nau'ikan guda biyu da farko ya ta'allaka ne a cikin abun da ke tattare da su da abubuwan da suka haifar:

Abun ciki:

304 Bakin Karfe:

Ya ƙunshi kusan 18-20% chromium da 8-10.5% nickel.
Hakanan yana iya ƙunsar ƙananan adadin wasu abubuwa kamar manganese, silicon, da carbon.

316 Bakin Karfe:

Ya ƙunshi kusan 16-18% chromium, 10-14% nickel, da 2-3% molybdenum.
Ƙarin molybdenum yana haɓaka juriya ga lalata, musamman a kan chlorides da sauran kaushi na masana'antu.

Kayayyaki da Aikace-aikace:

304 Bakin Karfe:

Juriya na Lalata: Yayi kyau, amma bai kai 316 ba, musamman a cikin mahallin chloride.

Ƙarfi: Babban ƙarfi da ƙarfi, mai kyau ga dalilai na gaba ɗaya.

Aikace-aikace: Ana amfani da shi sosai a cikin kayan dafa abinci, sarrafa abinci, gyaran gine-gine, kwantena sinadarai, da ƙari saboda kyakkyawan juriya na lalata da sauƙin tsaftacewa.

316 Bakin Karfe:

Juriya na Lalata: Sama da 304, musamman a cikin ruwan gishiri ko na ruwa, da kuma kasancewar chlorides.

Ƙarfi: Kama da 304 amma tare da mafi kyawun juriya.

Aikace-aikace: Mafi dacewa don amfani a cikin yanayin ruwa, kayan aikin magunguna, kayan aikin likita, sarrafa sinadarai, da kowane yanayi inda ake buƙatar juriya mai girma.

Gama:

"Gama" na bakin karfe, ko yana da 304 ko 316, yana nufin ƙarewar farfajiya, wanda zai iya bambanta dangane da tsarin masana'antu. gamawa gama gari sun haɗa da:

1,A'a. 2B: Ƙarshe mai santsi, maras ban sha'awa da aka samar ta hanyar jujjuyawar sanyi sannan kuma annealing da yankewa.

2,A'a. 4: Ƙarshen gogewa, wanda aka samu ta hanyar goge saman da injina don ƙirƙirar ƙirar layi mai kyau daidai da alkiblar gogewa.

3,A'a. 8: Ƙarshe mai kama da madubi da aka samar ta hanyar gogewa tare da ci gaba mai kyau abrasives da buffing.

Dukansu 304 da 316 bakin karfe na iya samun irin wannan ƙare, amma zaɓi tsakanin 304 da 316 zai dogara ne akan ƙayyadaddun yanayin muhalli da abubuwan da ake buƙata don aikace-aikacen.

Shin 316 ko 304 sun fi tsada?

Gabaɗaya, bakin karfe 316 ya fi tsada fiye da bakin karfe 304. Babban dalilin wannan bambancin farashin shine abun da ke ciki na bakin karfe 316, wanda ya hada da mafi girman yawan nickel da ƙari na molybdenum. Wadannan abubuwa suna haɓaka juriyar lalata 316 bakin karfe, musamman a cikin chloride da yanayin ruwa, amma kuma suna ba da gudummawa ga tsadar kayan abu.

Ga taƙaitaccen abubuwan da ke haifar da bambancin farashi:

Abun Haɗin Kai:

304 Bakin Karfe: Ya ƙunshi kusan 18-20% chromium da 8-10.5% nickel.
316 Bakin Karfe: Ya ƙunshi kusan 16-18% chromium, 10-14% nickel, da 2-3% molybdenum.

Juriya na Lalata:

316 Bakin KarfeYana ba da ingantaccen juriya na lalata, musamman a kan chlorides da kuma a cikin yanayin ruwa, saboda kasancewar molybdenum.
304 Bakin Karfe: Yana da kyakkyawan juriya na lalata amma ba shi da tasiri sosai a cikin mahalli masu lalata sosai idan aka kwatanta da 316.

Farashin samarwa:

Mafi girman adadin nickel da ƙari na molybdenum a cikin bakin karfe 316 yana haifar da ƙarin farashin albarkatun ƙasa.
Kudin sarrafawa da samarwa na iya zama mafi girma ga bakin karfe 316 saboda ƙarin hadadden abun da ke ciki.

Sabili da haka, don aikace-aikacen da ba a buƙata mafi girman juriya na 316 bakin karfe ba, 304 bakin karfe galibi ana zaɓa azaman madadin farashi mai inganci.