304 vs 304L Bakin Karfe: Bambance-bambance da Aikace-aikace

2025-04-16

Maki 304 da 304L bakin karfe suna matsayi a cikin mafi mashahuri austenitic gami, masu daraja don ƙwararrun juriya da daidaitawa. Ɗaukar abin da ya dace yana nufin fahimtar da hankali-amma mai mahimmanci-bambance-bambancen sunadarai da aiki. Wannan jagorar yana bin tsarin da aka saba - haɗawa, kaddarorin, weldability, aikace-aikace, da farashi-yayin da ke ba da sabon hangen nesa don taimaka muku yin zaɓin da aka sani. 304 da 304L

Haɗin Sinadaran Bakin Karfe 304 da 304L

304 Bakin Karfe
- Carbon (C): har zuwa 0.08%
- Chromium (Cr): 18-20%
- Nickel (Ni): 8-10.5%
304L Bakin Karfe
- Carbon (C): har zuwa 0.03%
- Chromium (Cr): 18-20%
- Nickel (Ni): 8-12%

Babban bambancin shine abun ciki na carbon. Tare da carbon ɗin da aka gyara shi, 304L yana tsayayya da samuwar chromium carbides a iyakokin hatsi yayin waldawa, yana kiyaye juriya ga lalatawar intergranular. (Ka yi tunanin 304 a matsayin mai gina jiki-mai girma akan carbon-yayin da 304L shine malamin yoga, jingina da sassauƙa a cikin yankin da zafi ya shafa.)

Kwatanta Halayen Jiki da Kanikanci

Dukiya	304	304l	Abin Da Yake nufi
Ƙarfin Tensile (MPa)	~ 520-750	485-690	304 yana ja da ƙarfi kaɗan, amma duka biyu sun wuce yawancin buƙatu
Ƙarfin Haɓaka (MPa)	~205-215	~170-200	Ƙananan gefen zuwa 304 don aikace-aikacen ɗaukar kaya
Tsawaitawa (%)	≥ 40	≥ 40	Excellent stretchability a duka ga hadaddun forming
Hardness (Brinell)	~70-90	65-85	Kusan iri ɗaya ne a cikin amfani na yau da kullun
Juriya na Lalata	Madalla (janar muhalli)	Mafi girma a sassan welded	304L yana haskakawa bayan-weld ba tare da ƙarin magani mai zafi ba

Weldability da Fabrication

Weldability
Duka allunan suna cikin shirye-shiryen welded tare da hanyoyin al'ada. Duk da haka, 304L's low-carbon kayan shafa yana nufin za ka iya sau da yawa tsallake bayan-weld annealing - adana lokaci da kuzari.

Injin iya aiki
Bakin Karfe na Austenitic yakan yi aiki da ƙarfi. Don yaƙar zance da lalacewa na kayan aiki da bai kai ba, yi amfani da yankan gefuna, matsakaicin ƙimar ciyarwa, da isassun mai. 304L mai laushi mai sauƙi na iya samar da ƙare mai laushi a ƙarƙashin yanayi iri ɗaya.

Aikace-aikace na 304 da 304L Bakin Karfe

304 Bakin Karfe

Kayan dafa abinci na kasuwanci, kayan dafa abinci, da kayan sarrafa abinci
Fasalolin gine-gine na ado (misali, dogo, ƙulla)
Tasoshin ajiya da tankunan matsa lamba na matsakaici

304L Bakin Karfe

sarrafa sinadarai da bututun petrochemical (m weld seams)
Masu musanya zafi da na'urori masu zafi (mahimmancin walƙiya mai mahimmanci)
Tankunan masana'antar harhada magunguna da kiwo (mai yawan gyaran walda)

Farashin da Samuwar

Farashin
Yi tsammanin 304L don ɗaukar ƙaramin ƙima - yawanci 3-7% mafi girma - yana nuna ƙarancin amfanin carbon ɗin sa a cikin welded majalisai. A kan manyan umarni, wannan bambancin zai iya ƙarawa, don haka saka shi cikin kasafin kuɗin ku.

samuwa
Dukansu maki sune ma'auni a cikin sarkar samar da ƙarfe: zanen gado, faranti, sanduna, tubing, da ƙari a cikin nau'ikan girma dabam. Matsakaicin lokutan jagora gajeru ne, amma don ƙwararrun sifofi ko ɓangarorin masu kauri, shirya gaba.

Kammalawa

Makina 304 da 304L suna raba kashin baya gama gari na kyakkyawan juriya na lalata da tsari. Shawarar ku ta ta'allaka ne kan buƙatun walda da yanayin sabis: zaɓi 304L lokacin rage yawan jiyya mai zafi bayan walda da haɓaka juriya na juriya na yanki sune fifiko; zaɓi 304 idan kuna buƙatar ƙarin ƙarfi don sassa na gaba ɗaya. Tare da haɓaka fasahar haɗin gwiwa da ɗorewa, duka allunan za su kasance dawakan aiki a cikin masana'antu na shekaru masu zuwa.