Daga cikin nau'ikan bakin ƙarfe daban-daban, ana amfani da maki 304, 304L, da 304H sosai. Duk da cewa suna iya kama da juna, kowane maki yana da nasa halaye da aikace-aikace na musamman.
Matsayi304 bakin karfeshine mafi yawan amfani da kuma amfani da shi a cikin jerin ƙarfe 300 na bakin ƙarfe. Ya ƙunshi chromium 18-20% da nickel 8-10.5%, tare da ƙananan adadin carbon, manganese, da silicon. Wannan matakin yana da kyakkyawan juriya ga tsatsa da kuma kyakkyawan tsari. Sau da yawa ana amfani da shi a aikace-aikace kamar kayan kicin, sarrafa abinci, da kuma kayan ado na gine-gine.
304L bakin karfe bututuBambancin bututun ƙarfe mai ƙarancin carbon ne na matakin 304, tare da matsakaicin adadin carbon da ke cikinsa shine 0.03%. Wannan ƙarancin carbon yana taimakawa wajen rage yawan ruwan sama na carbide yayin walda, wanda hakan ya sa ya dace da aikace-aikacen walda. Ƙananan adadin carbon kuma yana rage haɗarin jin zafi, wanda shine samuwar chromium carbide a iyakokin hatsi, wanda zai iya haifar da tsatsa tsakanin granular. Sau da yawa ana amfani da 304L a aikace-aikacen walda, da kuma muhalli inda haɗarin tsatsa yake damun mutane, kamar sarrafa sinadarai da kayan aikin magunguna.
Bakin ƙarfe 304Hsigar carbon mafi girma ce ta aji 304, tare da yawan carbon da ke cikinta daga 0.04-0.10%. Mafi yawan carbon da ke cikinta yana ba da ƙarfin zafi mai yawa da juriya ga rarrafe. Wannan yana sa 304H ya dace da aikace-aikacen zafi mai yawa, kamar tasoshin matsin lamba, masu musayar zafi, da kuma tukunyar ruwa ta masana'antu. Duk da haka, mafi yawan carbon da ke cikinta kuma yana sa 304H ya fi sauƙin kamuwa da shi da kuma tsatsa a tsakanin granular, musamman a aikace-aikacen walda.
A taƙaice, babban bambanci tsakanin waɗannan ma'auni shine yawan sinadarin carbon da tasirinsa akan walda da aikace-aikacen zafi mai yawa. Grade 304 shine mafi amfani kuma gabaɗaya, yayin da 304L shine zaɓin da aka fi so don aikace-aikacen walda da muhalli inda tsatsa ke damun sa. 304H yana da yawan sinadarin carbon kuma ya dace da aikace-aikacen zafi mai yawa, amma saurin kamuwa da shi ga sensitization da tsatsa tsakanin granular yana buƙatar la'akari da kyau. Lokacin zabar tsakanin waɗannan ma'auni, yana da mahimmanci a yi la'akari da takamaiman buƙatun aikace-aikacen, gami da yanayin aiki, zafin jiki, da buƙatun walda.
ƘUNGIYAR SARKI
Adireshi
Yankin masana'antar ci gaban Kangsheng,
Wuqing gundumar Tianjin, kasar Sin.
Awanni
Litinin-Lahadi: Sabis na awanni 24
Lokacin Saƙo: Agusta-08-2024