Don Allah a lura da abubuwan da ke tafe yayin sayen kwayoyin bakin ƙarfe masu rufin aluminium-zinc daga masana'antar kwayoyin bakin ƙarfe na Galvalume.
Muhimman abubuwa daga AI: Galvalume Steel Coil ba coil galvanized na al'ada da aka sanya mata wata suna ba ce. Rufin sa ya ƙunshi 55% aluminium, 43.41% zinc, da 1.61% silicon. Aluminium yana aiki a matsayin layin kariya, yayin da zinc ke zama na sadaukarwa. Dukkanin waɗannan hanyoyin suna aiki tare don hana tsatsa.
Lokacin zaɓar mai kaya, yana da muhimmanci a yi la'akari ba wai da farashin kowace raka kaɗai ba, har ma da dacewar coils da ƙa'idodin ASTM A792/JIS G3321, nauyin rufi na 20–150 g/m2, juriya ga kauri na ±0.02 mm, da ƙarfin yanka na 30 mm. Gwajin feshin gishiri ya nuna a fili cewa bakin ƙarfe mai galvanized Z275 yana da kusan sau huɗu na Atmospheric Kariya daga tsatsa na galvanizing na gargajiya da kuma mayar da hasken infrared na kusan 70%. Kayan iri ɗaya don silos na noma, rufin bango da katangar kariya ta babbar hanya. BOMIS STEEL tana sayen kayayyakin ta kai tsaye daga masana'anta kuma za ta iya samar da su. Zoben ƙarfe na galvalume a cikin kauri daga 0.12 zuwa 2.0 mm, faɗi daga 600 zuwa 1,250 mm, nauyi tan 3–5 a kowace coil da zaɓin rufin hana tabon yatsu. Farashin yana tsakanin $550–1,000 FOB. Duk da haka, ingancin farashi na dogon lokaci ya danganta ne da tsarin rufin da ƙa'idodin inganci, ba ga kimantawar farashin farko ba.
Me yasa za a sayi kwayoyin bakin ƙarfe na aluminium galvanized? Dalilan sun fi farashin rikitarwa.
Tambayi abokan aikinka masu rufin gida ko masu lullube rufi: me ya sa suke amfani da Galvalume? Amsar a zahiri tana da sauƙi: Yana da ƙarin juriya ga tsatsa, yana mayar da zafi kuma yana da ƙarin juriya ga lalacewa fiye da galvanizing na gargajiya. Amma idan ka nemi farashi za ka sami tayin da yawa, amma kaɗan ne za su gaya maka ainihin abin da aka yi da rufin. Sinadaran rufin 55% Aluminum-Zinc sune ginshikinsa: aluminium 55%, zinc 43.4%, da silicon 1.6%. Aluminiyamu yana aiki a matsayin layin kariya don hana tsatsa kai tsaye zuwa ƙarfe na asali; zinc kuma yana aiki a matsayin layin sadaukarwa don hana farantin ƙarfe yin tsatsa da farko ko da shi ne ya fara yin oxidisation. Wannan haɗin hanyoyi biyu yana ba da tabbacin juriya ga yanayi wanda ba za a samu ba a galvanizing na gargajiya. A nan ne ake yawan yin kuskure a tsarin saye. Mutane suna kallon nauyi da kauri kawai, suna neman tayin mafi arha kuma su ƙare da sayen coils masu rufi siriri, haƙƙoƙin juriya masu faɗi da ƙa'idodi marasa tabbas. Ainihin tsawon rayuwar coil ana ƙayyade shi ne ta nauyin rufin, takardun shaida na ƙa'ida, sarkar samarwa mai ƙarfi da damar yanke shi zuwa girma. Hakanan za ka iya tsallaka kai tsaye zuwa ƙwandon ƙarfe na galvalume Shafin samfur don cikakken takardar bayani da lokutan isarwa na yanzu.
Amfanin rufin aluminium da zinc: ba duk rufin aluminium da zinc ba ne Galvalume
Ana yawan kuskure rufe aluminium-zinc da rufe zinc na al'ada. Suna kama da juna, kuma an rubuta ƙayyadaddun bayanai a takarda, amma za ka iya gane bambanci bayan watanni kaɗan na amfani. Zinc shine babban sinadari na An yi masa galvanizing Zoben Karfe. Rigar aluminium-zinc tana ƙara yawan aluminium.
Aluminiyamu yana yin passivation. Yana samar da wani siririn layin oxide mai kariya a saman sa idan ya fuskanci iska (wannan layin baya tsatsa, baya yin amsawa kuma yana kare abin da ke ciki daga muhallai masu lalata). Zinc anode ne na sadaukarwa, yana yin oxidisation kafin ƙarfe, ta haka yana kare ƙarfe. Galvalume ya haɗa hanyoyi biyu a cikin rufi guda ɗaya. Ga wasu sakamakon gwaji: rufin aluminium-zinc ya fi bakin ƙarfe mai galvanized Z275 ƙarfi sosai a gwajin feshin gishiri, juriyarsa ga lalacewar iska ta kusan ninki huɗu fiye da galvanizing na gargajiya.
Rufin yana mayar da kusan kashi 70 cikin ɗari na hasken infrared, don haka yana rage nauyin sanyaya a masana'anta. Hakanan akwai matakai daban-daban na daidaito. Ana iya saita nauyin rufi tsakanin 20 da 150 g/m². Tsawon rayuwar aiki na rufi mai nauyi ya fi na rufi mai nauyi kaɗan da ajin inganci biyu a kauri iri ɗaya. Tambayoyi ya kamata su koma ga sigogi musamman.
Guda uku da ke tantance ko coil ɗin yana aiki da gaske
Mayar da hankali kan waɗannan abubuwa uku a lokacin tambaya.”
A cikin tambayarka, ya kamata ka mai da hankali kan waɗannan abubuwa uku. Haƙƙoƙin juriya da kauri. 0.12–2.0 mm +/- 0.02 mm. Kada ka raina 0.02 mm – wannan ƙima tana aiki ko da kwayar baƙin ƙarfe tana da lebur ko a'a. Matakin daidaito mai matuƙar tsauri yayin siffar sanyi zai yi tasiri mara kyau ga duk kayan albarkatu na gaba. Idan ka yi tambaya, don Allah ka nuna ko ƙimar ta kasance ƙima ta sunan yanki ko ƙima da aka tabbatar. Yanka da faɗi. 600–1,250 mm, ±2 mm; faɗin ya kamata a yanke zuwa 30 mm a mafi siriri. Yawancin masana'antun bakin ƙarfe masu rufi da launuka da ayyukan rufi suna buƙatar siraran yadudduka. Idan mai kaya yana sayar da guntayen cikakke kawai, to za ku yi yankan su da kanku.
Idan za ku iya tattaunawa da mai kaya game da sandunan, to ƙirar aikin za ta fi sassauci. Kayan ƙarfe na asali da rufi. Rufin AZ na 20–150 g/m2 Darajar ƙarfe SGLCC DX51D+AZ Rufin canjin chromate na saman Mai hana alamun yatsu An ƙayyade kayan asali bisa ga darajar ƙarfe. Rayuwar hidima tana dogara ne da rufin. Waɗannan abubuwa ne guda biyu daban, kuma bai kamata a haɗa su a cikin ƙimar farashi ba. Ma'aunin batch: Kauri: 0.12–2.0 mm Haƙuri: ±0.02 mm.
- Faɗi 600–1,250 mm, ±2 mm, faɗi mafi ƙanƙanci 30 mm
- AZ Coating 20-150 gsm.
- Nauyin kewayen waya: tan 3–5 na mitir ko yadda ake buƙata.
- Darajar bakin ƙarfe DX51D+AZ SGLCC.
- Ana samun rufin canjin chromate / mai hana alamun yatsu.
Fa'idar haɗin kai kai tsaye na BOMIS da masana'anta – matakai biyar na sarrafawa.
Zoben bakin ƙarfe da aka lullube da aluminium-zinc sune mafi inganci saboda ƙarfin rufin a kowane mataki. BOMIS tana ba da farashin kai tsaye daga masana'anta kuma tana amfani da cikakken tsarin matakai biyar daga bude zoben dumama har zuwa samfurin ƙarshe. Da farko ana bude zoben dumama sannan a matse shi don cire damuwa da samar da fuska mai santsi. Sannan ana cire ragowar mai da datti ta hanyar acid pickling da tsabtacewa. Bayan haka ana yin annealing don rage matsin lamba da sassauta kayan. Ana biye da haka da sanyaya cikin sauri don ƙara ƙarfi ga rufin. A ƙarshe ana yin kammalawa, shimfiɗa, yanka da nade. Waɗannan matakai biyar na iya zama kamar sauƙi kamar yadda ruwa ke gudana, amma ingancin rufin ya dogara da su. Idan aka yi kuskure wajen sarrafa kowane mataki, rufin zai yi rauni, zai fara zamewa kuma zai ci gaba da fashewa yayin nade shi. Samun kaya kai tsaye daga masana'anta yana nufin kuna samun farashin masana'anta kuma ana gudanar da dukkan tsarin a cikin gida maimakon siyarwa ta hannun dillali – wannan layin yana cikin cikakkun bayanai a shafinmu ƙwandon ƙarfe na galvalume shafi.
Menene aikace-aikacen kwayoyin bakin ƙarfe na aluminium da aka galvanize?
Kwallan bakin ƙarfe masu rufi da launi, ayyukan rufi, ma'ajiyar noma, shingen kariya, da matattarar allunan hasken rana duk suna amfani da iri ɗaya na kwalayen bakin ƙarfe masu rufi na aluminium-zinc, amma buƙatun kowane amfani sun sha bamban sosai. Yankunan amfani huɗu: Rufuka da bangon waje. Sirrin yana cikin ikon mayar da haske da juriya ga tsatsa. Galvalume Roofing Solar Reflectance Index yana rage ɗaukar zafi yayin da yake tsawaita rayuwar sabis da kyawun gani. Noma da Ajiya. Rumfuna, silo, gidajen shuka, rumfunan lambu. Idan aka kwatanta da galvanization na gargajiya, rufin kariya ya fi dacewa ga gine-ginen da ke jure yanayi kuma farashin maye gurbin ya fi ƙasa a dogon lokaci. Matattarar hasken rana don shingen kariya na hanyoyin mota masu saurin gudu. Shingen kariya suna buƙatar su kasance masu ƙarfi sosai kuma suna dacewa da wurare masu zafi. Matattarar hasken rana na jure yanayi na tsawon shekaru da dama kuma rufin hana tsatsa shi ne layin ƙarshe na kariya. A zaɓin kayan aiki, mataki na farko shi ne yanke shawarar abin da za a yi amfani da su. A yankunan bakin teku ko wuraren da aka yi gurbacewar masana'antu sosai, yin rufi wajibi ne. Ga nau'ikan rufin da aka saba amfani da su a cikin gida, rufi mai kaɗan siriri ya isa. Don Allah ku bayyana yanayin wurin a tambayarku domin a iya tsara farashin bisa waɗannan sigogi, ba kawai kaurin rufin ba.
Shin farashin FOB daga 550 zuwa 1000 yana a mataki mafi girma?
Farashin FOB na kewayen ƙarfe da aka rufe da aluminium-zinc yana kusan dala Amurka 550–1,000. Duk da haka, abin da ake ɗauka a matsayin farashi mai ma'ana ya danganta da abubuwa da dama: girman loti (yawa tana rage farashi; ƙanƙanta tana nuna farashin kowace coil guda), rufi da kammalawar saman (ƙarin nauyi, rufin hana tabon yatsu da kaurin rufi suna ƙara farashi), da sauye-sauyen farashin ƙarfe (canje-canjen farashin ƙarfe na haifar da ƙarin farashi) Don haka kuna son a bayyana cikakken tsari, ba kawai farashi ba. Wanne ne ya fi muhimmanci: kauri, rufi ko kammalawar saman? Farashin da ake bayarwa yawanci suna da ƙasa kuma suna da rufi mai siriri, haƙƙoƙin juriya masu faɗi da bambance-bambancen al'ada. BOMIS tana bayyana nauyin rufi da ƙa'idodin da suka dace tun farko, kuma ana gabatar da farashi bisa waɗannan ƙa'idodi maimakon a yi magudi don su yi kama da arha. Yi amfani da fom ɗin farashi da ke kan ƙwandon ƙarfe na galvalume Shafi kuma za mu aiko muku da farashin FOB da aka keɓance.
Tambayoyi da ake yawan yi
I. Shin kwayar bakin ƙarfe da aka nannade da kuma kwayar bakin ƙarfe da aka lullube da launi suna daidai ne?
A'a, Galvalume rufi ne na aluminium-zinc mara launi. A cikin rufin launi, resin fenti ana shafawa a saman waje na layin galvanized. Yawanci ana kare farantin rufi da rufin launi, amma don kariya daga tsatsa na dogon lokaci da juriya ga yanayi, ana shafa rufin aluminium-zinc mai tsarki kai tsaye a saman.
II. Nauyin rufi da aka ba da shawara?
Ya danganta da yanayi na musamman. Nauyin rufi na matsakaici yawanci ya isa don ayyukan masana'antu na yau da kullum. A yankunan bakin teku, ko inda danshi ko hazo ya yi yawa, dole ne a yi rufin ya fi kauri. An tsara kaurin rufin ne don gujewa kuɗaɗen sake galvanizing na dogon lokaci.
III. Shin zan iya fentin rufin aluminium-zinc?
The Rufin aluminium-zinc Yana da juriya ga tsatsa kuma ba a saba buƙatar fentin shi ba. Sauyin launin da ya biyo baya za a iya magance shi ne kawai da primer na chrome. Idan ba a yi wannan magani yadda ya kamata ba, rufin na iya lalacewa. Za ku buƙaci tuntuɓar ƙwararren masani kan ƙarfe mai launi don wannan.
4. Nawa ne nauyin kowace guga da yawan matattarai?
3–5 tan na mitir, kamar yadda ake buƙata. Iyawar ɗaukar nauyi na kabad ya danganta da faɗin kabad da diamita na ƙwallon. Don Allah ku bayyana girman kabad a cikin tambayarku. Sa'an nan mai kaya zai ba ku shawarar ainihin ƙarfin ɗauka.
5. Menene ƙaramin adadin oda ga kowace nuni?
Yawancin nau'uka suna da ƙaramin adadin oda na 1 cikakken zane. Musamman ga siraran faifai, inda ake buƙatar ƙarin cikakkun zane fiye da faɗin da aka saba.
ASTM A792 ko JIS G3321. Wanne ne ƙa'ida da ta dace?
Dukkansu ƙa'idodi ne na al'ada don rufin aluminium-zinc. Ka'idar ASTM A792 Ana yawan amfani da shi ta kwastomomin Arewacin Amurka. JIS G3321 ya dace da kasuwar Japan. Idan za ka iya yin aiki da masu kaya biyu a lokaci guda, hakan zai sauƙaƙa zaɓar kayan bisa ga ƙa'idodin kasuwar da kake niyya.
Ƙarshe.
Zaɓin masu samar da kwayar bakin ƙarfe mai rufin aluminium-zinc yana da tasiri ga aikin dogon lokaci fiye da zaɓin lambar sashi. Rayuwar sabis tana dogara ne akan haɗin rufi (55% aluminium + 43.4% zinc + 1.6% silicon), ƙa'idoji (ASTM A792/JIS G3321), iyakokin kuskure, nauyin rufi, ingancin yankan da farashin kowace raka'a. Idan an bayyana aikace-aikacen a sarari, an fayyace buƙatun rufi da na ƙa'ida, sannan an kwatanta farashin FOB daga 550 zuwa 1000, ana rage haɗarin sayen kayayyaki masu ƙarancin sinadari sosai. Lokacin sayayya, gaya musu ainihin abin da kuke son yi da shi. Tuntuɓi masana'antun kai tsaye game da abin da kake so. Wannan yana shafar farashin masana'antun kai tsaye kuma yana taimakawa wajen tabbatar da inganci.
