Menene farantin karfe

Bakin karfe takardartakardar karfe ce mai lebur, rectangular wadda aka yi birgima daga bakin karfe (da farko tana dauke da abubuwa masu hadewa kamar chromium da nickel). Siffofinsa na asali sun haɗa da kyakkyawan juriya na lalata (godiya ga fim ɗin kariya na chromium oxide mai warkarwa da kansa wanda aka kafa akan saman), kayan ado da karko (fuskarsa mai haske yana dacewa da jiyya iri-iri), ƙarfi mai ƙarfi, da tsabta da sauƙin tsaftacewa. Waɗannan halayen sun sa ya zama maɓalli mai mahimmanci a cikin aikace-aikace da yawa, gami da bangon labule na gine-gine da kayan ado, kayan dafa abinci da kayan aiki, na'urorin likitanci, sarrafa abinci, kwantena sinadarai, da sufuri. Hakanan yana ba da ingantattun injina (ƙirƙira da walƙiya) da fa'idar muhalli na kasancewa 100% mai yiwuwa.

Halayen faranti na bakin karfe

1. Kyakkyawan juriya na lalata
► Core Mechanism: Wani abun ciki na chromium na ≥10.5% yana samar da fim ɗin wucewar chromium oxide mai yawa, yana ware shi daga kafofin watsa labarai masu lalata (ruwa, acid, salts, da sauransu).
► Abubuwan Ƙarfafawa: Ƙara molybdenum (kamar grade 316) yana tsayayya da lalata ion chloride, yayin da nickel yana inganta kwanciyar hankali a cikin yanayin acidic da alkaline.
► Aikace-aikace na yau da kullun: Kayan aikin sinadarai, injiniyan ruwa, da bututun sarrafa abinci (mai jure lalata a ƙarƙashin dogon lokaci zuwa ga acid, alkali, da gishiri).

2. Babban Ƙarfi da Tauri
► Abubuwan Kayan Injini: Ƙarfin ƙarfi ya wuce 520 MPa (kamar 304 bakin karfe), tare da wasu magungunan zafi suna ninka wannan ƙarfin (martensitic 430).
► Ƙarƙashin zafin jiki: Austenitic 304 yana kula da ductility a -196 ° C, yana sa ya dace da yanayin cryogenic kamar tankunan ajiyar ruwa na nitrogen.

3. Tsafta da Tsafta
► Halayen saman: Tsarin da ba ya bushewa yana hana haɓakar ƙwayoyin cuta kuma yana da ƙwararriyar matakin abinci (misali, GB 4806.9).
► Aikace-aikace: Kayan aikin tiyata, kayan abinci, da kayan aikin magunguna (ana iya haifuwa tare da tururi mai zafi ba tare da saura ba).
4. Gudanarwa da Amfanin Muhalli
► Plasticity: Austenitic 304 karfe yana da ikon yin zane mai zurfi (darajar cupping ≥ 10mm), yana sa ya dace da buga sassa masu rikitarwa.
► Jiyya na Fasa: Ana goyan bayan gogewar madubi (Ra ≤ 0.05μm) da hanyoyin ado kamar etching.
Maimaituwa 100%: Maimaituwa yana rage sawun carbon, tare da ƙimar sake yin amfani da shi ya wuce 90% (Kiredit na LEED don gine-ginen kore).

Aikace-aikacen faranti na bakin karfe a rayuwa

1. New Energy Heavy Duty Transport
Tattalin arziki, babban ƙarfin duplexbakin karfe farantikuma an samu nasarar aiwatar da firam ɗin baturi a cikin sabbin manyan motoci masu ɗaukar nauyi na makamashi, tare da magance tsatsa da ƙalubalen gazawar gajiyar da ƙarfen carbon na gargajiya ke fuskanta a cikin matsanancin ɗanɗano, da lalata muhallin bakin teku. Ƙarfin ƙarfinsa ya wuce 30% mafi girma fiye da na Q355 na al'ada, kuma ƙarfinsa ya wuce 25% mafi girma. Hakanan yana samun ƙira mara nauyi, tsawaita rayuwar firam da tabbatar da daidaiton firam ɗin baturi yayin maye gurbin baturi. Kusan manyan motocin dakon kaya na cikin gida 100 ne ke aiki a yankin masana'antu na gabar tekun Ningde tsawon watanni 18 ba tare da nakasu ko lalata ba. An fitar da manyan motoci 12 masu nauyi da wannan firam zuwa kasashen waje a karon farko.

2. Adana Makamashi na Hydrogen da Kayan Sufuri
Jiugang's S31603 (JLH) austenitic bakin karfe, bokan ta National Special Inspection Institute, an musamman tsara don amfani a ruwa hydrogen / ruwa helium (-269 ° C) cryogenic matsa lamba tasoshin. Wannan kayan yana kula da kyakkyawan ductility, taurin tasiri, da ƙarancin ƙarfi ga haɓakar hydrogen ko da a matsanancin yanayin zafi, yana cike giɓi a cikin karafa na musamman a arewa maso yammacin China da haɓaka samar da tankunan ajiyar ruwa na hydrogen a cikin gida.

3. Manyan Kayayyakin Makamashi

Aikin samar da wutar lantarki na Kogin Yarlung Zangbo yana amfani da 06Cr13Ni4Mo low-carbon martensitic bakin karfe (kowace naúrar tana buƙatar tan 300-400), tare da jimillar 28,000-37,000 ton, don tsayayya da tasirin ruwa mai saurin gudu da zaizayar ƙasa. Bakin karfe na tattalin arziƙin duplex ana amfani da shi a cikin haɗin gwiwa na haɓaka gada da watsa shirye-shiryen don jure yanayin zafi da lalata na tudu, tare da yuwuwar girman kasuwa na biliyoyin yuan.

4. Tsarukan Gine-gine masu Dorewa da Masana'antu

Ganuwar labule na gine-gine (kamar Hasumiyar Shanghai), masu sarrafa sinadarai (316L don juriyar lalata kristal), da kayan aikin tiyata (gyaran lantarki ta hanyar lantarki).304/316L) dogara ga bakin karfe don jure yanayin yanayi, tsafta, da kayan ado. Kayan aikin sarrafa kayan abinci da rufin kayan aiki (karfe 430/444) suna amfani da kaddarorin sa masu sauƙin tsaftacewa da juriya ga lalata ion chloride.