304 urupapuro rwicyuma ni ubwoko bwibyuma bya austenitike bitagira umuyonga bikoreshwa cyane mubikorwa bitandukanye byinganda kubera kurwanya ruswa, imbaraga, no guhindagurika. Igizwe nibintu byihariye biha imiterere yihariye n'ibiranga.
Ibyingenzi
Ibice byibanze bigize urupapuro 304 rwicyuma ni ibyuma, karubone, chromium, na nikel. Icyuma nikintu fatizo, gitanga ibyuma nimbaraga zacyo. Carbone yongeweho kugirango yongere ubukana bwicyuma kandi irambe, ariko igomba kuba ihari cyane kugirango wirinde kugabanya ruswa.
Ikintu cya Chromium
Chromium nikintu gikomeye cyane muri 304 ibyuma bitagira umwanda, kuko ishinzwe kurwanya ruswa. Chromium ikora urwego rukingira okiside hejuru yicyuma iyo ihuye na ogisijeni, ikarinda ingese. Muri 304 ibyuma bitagira umwanda, ibirimo chromium mubusanzwe bigera kuri 18-20% kuburemere.
Ikintu cya Nickel
Nickel nikindi kintu cyingenzi kigizwe nicyuma 304 kitagira umuyonga, kiboneka muburemere bwa 8-10% kuburemere. Nickel itezimbere ibyuma no gukomera, bigatuma irwanya gucika no kumeneka. Itera kandi imbaraga zo kurwanya ruswa, cyane cyane mubidukikije birimo chloride.
Nibindi bintu bike
Usibye ibi bintu byibanze, ibyuma 304 bidafite ingese birashobora kandi kuba birimo ibintu bike nka manganese, silikoni, sulfure, fosifore, na azote. Ibi bintu byongeweho kugirango bihindure imitungo yicyuma no kunoza imikorere mubikorwa byihariye.
Muri make, ibice 304 by'icyuma bitagira umwanda bishingiye cyane cyane ku cyuma, hamwe na chromium na nikel nk'ibintu by'ingenzi bivanga. Ibi bintu, hamwe nubunini buke bwibindi bintu, biha ibyuma 304 bidafite ingese ibyuma birwanya ruswa, guhindagurika, hamwe nubushyuhe bwo hejuru. Iyi mikorere idasanzwe ikora ibyuma 304 bidafite ibyuma byerekana ibintu byinshi bihuye nibisabwa byinshi.
Igihe cyo kohereza: Werurwe-25-2024