Nau'in 904L babban gami austenitic bakin karfe ne wanda aka sani don abubuwan lalata. Wannan ƙananan nau'in carbon na Type 904 bakin karfe kuma yana ba da wasu fa'idodi ga masu amfani ciki har da:
- Mara maganadisu
- Ƙarfin kaddarorin lalata fiye da Nau'in 316L da 317L
- Kyakkyawan juriya ga sulfur, phosphoric da acetic acid
- Babban juriya ga crevice da damuwa lalata fatattaka
- Excellent formability da weldability
Saboda duk fa'idodin amfani da nau'in bakin karfe na Nau'in 904L, ana iya samun shi a cikin aikace-aikace da yawa a cikin manyan masana'antu masu mahimmanci da suka haɗa da:
- Kayan aikin sanyaya don ruwan teku
- Chemical sarrafa na sulphuric, phosphoric da acetic acid
- Masu musayar zafi
- Condenser bututu
- Wankan iskar gas
- Sarrafa da kayan aiki
- Masana'antar mai da iskar gas
- Samar da magunguna
- Waya a cikin na'urorin lantarki
Don yin la'akari da Nau'in 904L, bakin karfe dole ne ya sami nau'in sinadarai na musamman wanda ya haɗa da masu zuwa:
- Fe balance
- Ni 23-28%
- Cr 19-23%
- Mo 4-5%
- Mn 2%
- Ku S 1-2.0%
- Ku 0.7%
- S 0.3%
- N 0.1%
- P 0.03%
Lokacin aikawa: Agusta-21-2020