Karfe mai jerin 400 da kuma 300 na bakin karfe jerin 300 ne na gama gari, kuma suna da wasu bambance-bambance masu mahimmanci a cikin tsari da aiki. Ga wasu daga cikin manyan bambance-bambancen da ke tsakanin sandunan bakin karfe jerin 400 da 300:
| Halaye | Jerin 300 | Jerin 400 |
| Haɗin ƙarfe | Bakin ƙarfe mai ƙarfi da sinadarin nickel da chromium | Karfe mai ƙarfe Ferritic ko martensiti tare da ƙarancin abun ciki na nickel da chromium mafi girma |
| Juriyar Tsatsa | Kyakkyawan juriya ga lalata, ya dace da muhallin lalata | Ƙananan juriya ga tsatsa idan aka kwatanta da 300series, ya dace da aikace-aikacen masana'antu gabaɗaya |
| Ƙarfi da tauri | Ƙarfi mai ƙarfi, wanda ya dace da aikace-aikacen damuwa mai ƙarfi | Gabaɗaya ƙarancin taurin ƙasa mai ƙarfi idan aka kwatanta da jerin 300, mafi girman tauri a wasu maki |
| Abubuwan Magnetic | Galibi ba maganadisu ba ne | Gabaɗaya, magnetic ne saboda tsarin martensitic |
| Aikace-aikace | Sarrafa abinci, kayan aikin likita, masana'antar sinadarai | Aikace-aikacen masana'antu na gabaɗaya, tsarin fitar da hayaki na mota, kayan kicin |
Lokacin Saƙo: Janairu-23-2024