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Me yasa dole ne a yi amfani da bakin karfe 304 a cikin kicin?

Yawan amfani da kayayyakin bakin karfe juyin juya hali ne a cikin kicin.Suna da kyau, dorewa, da sauƙin tsaftacewa.Kai tsaye suka canza launi da tabawa kicin.A sakamakon haka, yanayin da ake gani na ɗakin dafa abinci ya inganta sosai.
Duk da haka, akwai nau'ikan bakin karfe iri-iri, kuma bambancin da ke tsakaninsu ba kadan ba ne.Wani lokaci ana iya jin tambayoyin aminci, kuma yana da matsala don zaɓar su.

Musamman idan ana maganar tukwane, kayan teburi da sauran kayan abinci waɗanda ke ɗaukar abinci kai tsaye, kayan sun zama masu hankali.Yadda za a bambanta su?Sanjiangfood (ID: sanjiangfood) ya yi imanin cewa kowa ya kamata ya yi amfani da duk abin da ke cikin kicin a fili.
Menene bakin karfe?
Siffar musamman na bakin karfe an ƙaddara ta abubuwa biyu, waɗanda sune chromium da nickel.Ba tare da chromium ba, babu bakin karfe, kuma adadin nickel yana ƙayyade ƙimar bakin karfe.

Bakin karfe na iya kiyaye kyalli a cikin iska kuma baya yin tsatsa domin yana dauke da wani adadi na sinadarin chromium alloy (bai kasa da 10.5%) ba, wanda zai iya samar da wani fim mai inganci a saman karfen wanda ba ya narkewa a wasu kafafen yada labarai. .

Bayan an ƙara nickel, aikin bakin karfe yana ƙara inganta.Yana da kyakkyawan kwanciyar hankali a cikin iska, ruwa, da tururi, kuma yana da isasshen kwanciyar hankali a yawancin nau'ikan acid, alkali, da gishiri mai ruwa, ko da a yanayin zafi mai yawa ko kuma a yanayin zafi mara ƙarfi, har yanzu yana iya kiyaye fa'idodin lalatawar sa. juriya.

A cewar microstructure, bakin karfe ya kasu kashi martensitic, austenitic, ferritic da duplex bakin karfe.Austenite yana da kyawawan filastik, ƙarancin ƙarfi, wasu tauri, sauƙin sarrafawa da ƙirƙirar, kuma ba shi da feromagnetism.

Austenitic bakin karfe ya fito a Jamus a cikin 1913 kuma koyaushe yana taka muhimmiyar rawa a cikin bakin karfe.Samuwarta da amfaninta sun kai kusan kashi 70% na yawan samarwa da amfani da bakin karfe.Haka kuma akwai mafi yawan makin karfe, don haka galibin bakin karfen da kuke gani kullum austenitic bakin karfe ne.

Sanannen karfe 304 shine bakin karfe austenitic.Ma'aunin kasar Sin na baya shi ne 0Cr19Ni9 (0Cr18Ni9), wanda ke nufin cewa yana dauke da 19% Cr (chromium) da 9% Ni (nickel).0 yana nufin abun ciki na carbon<= 0.07%.

Amfanin ma'auni na kasar Sin shi ne cewa abubuwan da ke cikin bakin karfe suna bayyana a sarari.Dangane da 304, 301, 202 da sauransu, wato sunan Amurka da Japan, amma yanzu kowa ya saba da wannan sunan.color2

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Lokacin aikawa: Agusta-24-2021

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