Na gama gari bakin karfesamfura
Samfuran bakin ƙarfe da aka fi amfani da su a yau da kullun, akwai jerin lambobi 200, jerin 300, jerin 400, sune wakilcin Amurka, kamar 201, 202, 302, 303, 304, 316, 410, 420, 430, da sauransu. Ana amfani da samfuran bakin ƙarfe na China a cikin alamomin abubuwa da lambobi, kamar 1Cr18Ni9, 0Cr18Ni9, 0Cr17, 3Cr13, 1Cr17Mn6Ni5N, da sauransu, lambobi kuma suna nuna abubuwan da suka dace. 00Cr18Ni9, 1Cr17, 3Cr13, 1Cr17Mn6Ni5N da sauransu, lambar tana nuna abubuwan da suka dace.
Jerin 200: bakin karfe mai siffar chromium-nickel-manganese
Jerin 300: chromium-nickel austenitic bakin karfe
301: Kyakkyawan jurewa, ana amfani da shi don samfuran da aka ƙera. Hakanan ana iya taurare shi ta hanyar saurin injin. Kyakkyawan iya walda. Juriyar lalacewa da ƙarfin gajiya sun fi ƙarfe 304 na bakin ƙarfe.
302: juriya ga tsatsa tare da 304, saboda yawan sinadarin carbon da ke cikinsa, don haka ya fi ƙarfi.
302B: Wani nau'in bakin karfe ne mai yawan sinadarin silicon, wanda ke da juriya ga iskar shaka mai zafi sosai.
303: Ta hanyar ƙara ƙaramin adadin sulfur da phosphorus don ya zama mai sauƙin sarrafawa.
303Se: Ana kuma amfani da shi wajen yin sassan injina waɗanda ke buƙatar madaurin zafi, domin wannan bakin ƙarfe yana da kyakkyawan damar aiki mai zafi a ƙarƙashin waɗannan yanayi.
304: Bakin ƙarfe 18/8. GB class 0Cr18Ni9. 309: ya fi juriya ga zafin jiki fiye da 304.
304L: Nau'in ƙarfe mai ƙarfe 304 tare da ƙarancin sinadarin carbon, ana amfani da shi inda ake buƙatar walda. Ƙarancin sinadarin carbon yana rage yawan ruwan carbide a yankin da zafi ya shafa kusa da walda, wanda zai iya haifar da tsatsa tsakanin granular (yashewar walda) na bakin karfe a wasu wurare.
304N: Bakin karfe mai dauke da sinadarin nitrogen, wanda ake karawa domin kara karfin karfen.
305 da 384: Suna ɗauke da babban sinadarin nickel, suna da ƙarancin ƙarfin taurarewa kuma sun dace da aikace-aikace iri-iri da ke buƙatar yanayin sanyi mai yawa.
308: Ana amfani da shi wajen yin sandunan walda.
309, 310, 314 da 330: Yawan sinadarin nickel da chromium yana da yawa, domin inganta juriyar iskar shaka ta ƙarfe a yanayin zafi mai yawa da ƙarfin rarrafe. Duk da cewa 30S5 da 310S nau'ikan ƙarfe ne na bakin ƙarfe 309 da 310, bambancin shine cewa yawan sinadarin carbon yana da ƙasa, don haka ana rage yawan sinadarin carbide da ke taruwa kusa da walda. Bakin ƙarfe 330 yana da juriyar musamman ga carbonization da kuma juriya ga girgizar zafi.
316 da 317: suna ɗauke da aluminum, don haka suna da juriya mafi kyau ga tsatsa a cikin yanayin masana'antar ruwa da sinadarai fiye da ƙarfe 304 na bakin ƙarfe. Daga cikinsu, nau'in 316 bakin karfeDaga cikin bambance-bambancen, akwai ƙarfe mai ƙarancin carbon 316L, ƙarfe mai ƙarfi mai ɗauke da nitrogen 316N, da kuma babban sinadarin sulfur na ƙarfe mai sauƙin sarrafawa 316F.
321, 347 da 348: sune titanium, niobium da tantalum, niobium steel steel stabilized steel, ya dace da amfani a yanayin zafi mai yawa a cikin abubuwan da aka haɗa. 348 wani nau'in ƙarfe ne na bakin ƙarfe wanda ya dace da masana'antar makamashin nukiliya, tantalum da adadin haƙa tare da wani matakin ƙuntatawa.
Jerin 400: ƙarfe ferritic da martensitic
408: Kyakkyawan juriya ga zafi, ƙarancin juriya ga tsatsa, 11% Cr, 8% Ni.
409: nau'in mafi arha (Birtaniya da Amurka), wanda galibi ake amfani da shi azaman bututun hayaki na mota, shine ƙarfe mai ferritic (ƙarfe mai kama da chromium)
410: martensitic (ƙarfe mai ƙarfi mai ƙarfi na chromium), juriya mai kyau ga lalacewa, rashin juriya ga tsatsa. 416: ƙarin sulfur yana inganta ƙwarewar kayan.
420: "Matsayi na kayan aiki na yankewa" ƙarfe mai kama da ƙarfe mai girman chromium na Brinell, ƙarfe na farko mai bakin ƙarfe. Haka kuma ana amfani da shi don wukake na tiyata kuma ana iya yin shi da haske sosai.
430: Bakin ƙarfe na Ferritic, kayan ado, misali don kayan haɗin mota. Kyakkyawan tsari, amma juriya ga zafin jiki da juriyar tsatsa ba su da kyau.
440: ƙarfe mai ƙarfi, ɗan ƙaramin adadin carbon, bayan an yi amfani da shi a yanayin zafi mai kyau, zai iya samun ƙarfin yawan amfanin ƙasa mai yawa, tauri zai iya kaiwa 58HRC, kuma yana cikin ƙarfe mafi ƙarfi. Misalin da aka fi amfani da shi shine "ruwan raza". Akwai nau'ikan guda uku da ake amfani da su akai-akai: 440A, 440B, 440C, da 440F (nau'in injin mai sauƙin amfani).
Jerin 500: ƙarfe mai jure zafi na chromium
Jerin 600: Bakin ƙarfe mai taurarewa mai ruwan sama mai ƙarfi
630: Nau'in bakin ƙarfe mai taurarewa da ruwan sama da aka fi amfani da shi, wanda aka fi sani da 17-4; 17% Cr, 4% Ni.
Lokacin Saƙo: Yuni-13-2024
