Nau'in 304 da 304L Bakin Karfe

Kowane nau'in bakin karfe yana da daraja, yawanci a cikin jeri. Waɗannan jerin suna rarraba nau'ikan baƙin ƙarfe daban-daban daga 200 zuwa 600, tare da nau'ikan nau'ikan da yawa tsakanin. Kowannensu ya zo da kaddarorin daban-daban kuma ya fada cikin iyalai gami da:

• austenitic:ba maganadisu
• ferritic: maganadisu
• duplex
• Martensitic da hazo hardening:babban ƙarfi da kyakkyawan juriya ga lalata

Anan, mun bayyana bambanci tsakanin nau'ikan gama gari guda biyu da aka samo akan kasuwa - 304 da 304L.

Nau'in 304 shine mafi yawan amfani da austeniticbakin cikikarfe. An kuma san shi da "18/8" bakin karfe saboda abun da ke ciki, wanda ya hada da 18%chromiumkuma 8%nickel. Nau'in 304 bakin karfe yana da kyawawan kaddarorin haɓakawa da waldawa da ƙarfilalatajuriya da ƙarfi.

Irin wannan bakin karfe kuma yana da kyau drawability. Ana iya samar da shi zuwa nau'i-nau'i daban-daban kuma, da bambanci da nau'in nau'in 302, ana iya amfani dashi ba tare da annealing ba, maganin zafi wanda ke sassauta karafa. Abubuwan da aka saba amfani da su don nau'in bakin karfe 304 ana samun su a masana'antar abinci. Yana da manufa don shayarwa, sarrafa madara, da yin giya. Hakanan ya dace da bututun mai, kwanon yisti, fermentation vats, da tankunan ajiya.

Bakin karfe nau'in nau'in nau'in 304 kuma ana samunsa a cikin kwanuka, tebura, tukwanen kofi, firiji, murhu, kayan aiki, da sauran kayan dafa abinci. Yana iya jure lalata da za a iya haifar da shi ta hanyar sinadarai daban-daban da ake samu a cikin 'ya'yan itatuwa, nama, da madara. Sauran wuraren da ake amfani da su sun haɗa da gine-gine, kwantenan sinadarai, masu musayar zafi, kayan aikin hakar ma'adinai, da kuma goro, kusoshi, da screws. Hakanan ana amfani da nau'in 304 a cikin ma'adinai da tsarin tace ruwa da kuma masana'antar rini.

Nau'in 304L bakin karfe shine karin ƙarancin carbon sigar karfe 304gami. Ƙananan abun ciki na carbon a cikin 304L yana rage girman hazo mai lalacewa ko cutarwa sakamakon walda. 304L, don haka, ana iya amfani da shi "kamar yadda aka haɗa" a cikin yanayin lalata mai tsanani, kuma yana kawar da buƙatar cirewa.

Wannan matakin yana da ƙananan kaddarorin inji fiye da daidaitattun maki 304, amma har yanzu ana amfani da shi sosai saboda iyawar sa. Kamar Nau'in Bakin Karfe na 304, ana amfani da shi wajen yin giya da giya, amma kuma don dalilai fiye da masana'antar abinci kamar a kwantena sinadarai, hakar ma'adinai, da gini. Yana da kyau a yi amfani da shi a sassa na ƙarfe kamar goro da kusoshi waɗanda aka fallasa ga ruwan gishiri.

• Yawan yawa:8.03g/cm³
• Juriya na lantarki:72 microhm-cm (20C)
• Takamaiman Zafi:500 J/kg °K (0-100°C)
• Thermal conductivity:16.3 W/mk (100°C)
• Modulus na elasticity (MPa):193 x 10³cikin tashin hankali
• Rawan narkewa:2550-2650F (1399-1454°C)