Kev Kawm Txog Kev Sib Raug Zoo Ntawm Cov Khoom Siv Thiab Kev Ua Haujlwm ntawm Galvalume Steel Coil

Hauv cov teb xws li kev tsim cov phab ntsa ntaub thaiv, cov khoom siv hauv tsev, thiab cov brackets photovoltaic, galvalume steel coils maj mam hloov cov galvanized steel coils ib txwm ua qhov kev xaiv tseem ceeb vim lawv ob qho txiaj ntsig ntawm kev tiv thaiv corrosion thiab kev siv nyiaj tsim nyog. Txawm hais tias nws yog Galvalume Steel Coil Price, qhov kev txiav txim siab tseem ceeb hauv kev tsim khoom siv engineering, lossis lubASTM A792 GalvalumeCov lus qhia meej meej hauv cov qauv tsim khoom, qhov sib txawv ntawm kev ua tau zoo tseem ceeb yog los ntawm kev tswj hwm qhov tseeb ntawm cov khoom sib xyaw. Niaj hnub no, peb yuav pib nrog kev tshuaj xyuas cov khoom sib xyaw kom qhib cov lus zais ntawm kev ua tau zoo ntawm galvalume steel coils (xws li Galvalume Roll, Steel Coil Galvalume, thiab lwm yam).
I. Kev Tshawb Fawb Txog Cov Khoom Siv Tseem Ceeb ntawm Galvalume Steel Coil
Kev ua tau zoo ntawm galvalume steel coils yog txiav txim siab los ntawm ob qho tib si "cov khoom siv hauv paus" thiab "txheej txheem." Cov khoom sib txawv ntawm cov khoom sib txawv ncaj qha cuam tshuam rau cov xwm txheej siv tau ntawm cov khoom kawg. Piv txwv li, kev tsim cov khoom sib xyaw ntawm Galvalume Steel Coil Az150, uas xav tau kev tiv thaiv corrosion siab, txawv ntawm qhov ntawm Galvalume Coil ib txwm muaj.
1. Cov Khoom Siv Txheej: Qhov "Golden Ratio" ntawm Aluminium, Zinc, thiab Silicon

Txheej txheej txhuas-zinc tsis yog ib qho hlau xwb, tab sis yog ib qho alloy system ntawm txhuas (55%), zinc (43.5%), thiab silicon (1.5%). Qhov piv no yog qhov kev daws teeb meem zoo tshaj plaws uas tau txheeb xyuas los ntawm kev xyaum ua mus sij hawm ntev:
* Txhuas (Al): Lub "core tiv taus xeb" ntawm cov txheej. Txhuas tsim cov zaj duab xis Al₂O₃ oxide ntom ntom rau ntawm qhov chaw ntawm cov hlau kauj, uas tuaj yeem tiv taus xeb los ntawm cov chaw ib puag ncig hnyav xws li nag kua qaub thiab ntsev tsuag. Qhov no yog qhov laj thawj tseem ceeb vim li cas cov hlau kauj txhuas-zinc coated muaj 3-5 npaug tiv taus xeb ntau dua li cov hlau kauj galvanized ib txwm muaj;
* Zinc (Zn): Ua lub luag haujlwm ntawm "kev tiv thaiv anode sacrificial." Thaum lub txheej raug khawb, zinc yuav nyiam ua rau cov pa oxygen tiv thaiv cov hlau hauv paus kom tsis txhob xeb. Tib lub sijhawm, qhov muaj zinc kuj tseem tuaj yeem txhim kho qhov ductility ntawm lub txheej, ua rau nws yooj yim dua rau Galvalume Roll kom khoov thiab stamp;
* Silicon (Si): daws qhov teeb meem ntawm "kev nplaum txheej". Silicon tuaj yeem tiv thaiv kev sib xyaw ntawm txhuas thiab hlau los tsim cov khoom sib xyaw Fe-Al intermetallic uas tawg thiab tawv, txo qhov kev pheej hmoo ntawm kev tev tawv. Qhov cuam tshuam ruaj khov ntawm silicon yog qhov tseem ceeb tshwj xeeb rau Galvalume Steel Coil Az150 tuab dua (AZ150 sawv cev rau 150g ntawm qhov hnyav txheej ib square meter).
2. Cov Khoom Siv Hauv Qab: "Kev Lav Paub Yooj Yim" ntawm Cov Hlau Uas Muaj Carbon Tsawg

Lub substrate ntawmgalvalume hlau coilsfeem ntau yog cov hlau uas muaj cov pa roj carbon tsawg (cov pa roj carbon ≤0.12%), ntxiv nrog cov manganese me me (0.3-0.6%) thiab phosphorus (≤0.045%): Carbon (C): Cov pa roj carbon ntau dhau yuav ua rau lub substrate nyuaj dhau, ua rau nws yooj yim tawg thaum lub sijhawm ua; cov ntsiab lus qis dhau yuav txo qhov zog ntawm cov hlau kauj. Yog li ntawd, cov ntsiab lus carbon ntawm cov hlau uas muaj cov pa roj carbon tsawg yuav tsum tau tswj hwm nruj me ntsis hauv "lub zog thiab kev ua haujlwm sib npaug"; Manganese (Mn): Ib qho me me ntawm manganese tuaj yeem txhim kho lub zog ntawm lub substrate yam tsis muaj kev cuam tshuam loj rau ductility, ua rau nws tsim nyog rau kev siv cov khoom thauj (xws li cov hlau kauj galvalume rau cov khoom siv photovoltaic); Phosphorus (P): Phosphorus ua rau cov hlau brittleness ntau ntxiv, yog li cov ntsiab lus phosphorus hauv lub substrate yuav tsum txwv nruj me ntsis, uas kuj yog ib qho ntawm cov cim qhia meej meej hauv ASTM A792 Galvalume tus qauv.
II. Kev Sib Raug Zoo Ntawm Cov Ntawv Sau Thiab Cov Yam Ntxwv Tseem Ceeb Kev Ua Tau Zoo Kev nkag siab txog cov ntawv sau ua rau peb pom tseeb tias vim li cas qee qhovGalvalume Coilsyog tsim nyog rau kev tsim kho sab nraum zoov thaum lwm tus yog tsim nyog rau cov khoom siv hauv tsev - qhov tseem ceeb yog nyob rau hauv qhov sib txawv ntawm kev ua tau zoo los ntawm kev hloov kho cov khoom sib xyaw.

1. Kev Tiv Thaiv Kev Xeb: Cov Ntsiab Lus Aluminium Txheeb Xyuas "Qib Kev Tiv Thaiv" Kev tiv thaiv kev xeb yog qhov tseem ceeb ntawm kev sib tw ntawmgalvalume yob, thiab nws txoj kev sib raug zoo nrog cov khoom sib xyaw yog qhov ncaj qha: Thaum cov ntsiab lus txhuas ntawm cov txheej txheej nce ntxiv los ntawm 50% txog 55%, qhov ceev ntawm Al₂O₃ oxide zaj duab xis zoo dua qub. Hauv cov chaw tsuag ntsev ntawm ntug hiav txwv, lub sijhawm xeb ntawm cov hlau kauj tuaj yeem ntev los ntawm 10 xyoo mus rau ntau tshaj 20 xyoo. Yog tias cov ntsiab lus silicon qis dua 1%, nws yuav ua rau kom txo qis qhov sib txuas ntawm cov txheej txheej thiab cov substrate, ua rau cov txheej txheej yooj yim rau blistering hauv kev sim tsuag ntsev; yog tias nws siab dua 2%, nws yuav ua rau kom cov txheej txheej brittleness, yog li txo qhov corrosion tsis kam. Qhov no kuj yog vim li cas Galvalume Steel Coil AZ150 muaj zog tiv thaiv corrosion dua li AZ100 (100g txheej ib square meter) - tsis yog tsuas yog cov txheej txheej tuab dua, tab sis qhov sib piv ntawm txhuas-zinc-silicon kuj zoo dua rau cov kev xav tau kev tiv thaiv siab.
2. Cov Khoom Siv Kho Tshuab: Cov Khoom Siv Hauv Qab Ua Rau "Lub Zog Thiab Kev Ua Tau Zoo"
Lub Zog: Rau txhua 0.1% nce hauv cov ntsiab lus manganese ntawm lub substrate, lub zog tso zis ntawm cov hlau kauj tuaj yeem nce ntxiv los ntawm 5-8 MPa. Yog li ntawd, rau Galvalume Steel Coil siv rau hauv cov ntawv thov load-bearing, cov ntsiab lus manganese yog tswj ntawm 0.5-0.6%.
Kev Ua Haujlwm Tau: Rau cov ntawv thov uas xav tau kev luam ntawv nyuaj, xws li cov khoom siv hauv tsev, cov khoom siv uas muaj cov pa roj carbon ≤0.1% raug xaiv, thaum cov ntsiab lus silicon ntawm cov txheej txheej raug txo kom txog li 1.5% kom tiv thaiv kev tawg ntawm cov txheej txheej thaum lub sijhawm luam ntawv. 3. Kev Tiv Thaiv Kub Siab: Qhov Zoo ntawm Aluminium ntawm "Kev Ruaj Ntseg Kub Siab"
Lub ntsiab lus yaj ntawm txhuas (660 ℃) yog siab dua li ntawm zinc (419 ℃), yog li ntawd, qhov kub siab tiv taus ntawm aluminized zinc steel coils yog qhov zoo dua li ntawm galvanized steel coils:
Hauv cov chaw ib puag ncig qis dua 200 ℃ (xws li cov ntaub hauv qhov cub), kev ua haujlwm ntawm txheej txheej ruaj khov;
Txawm tias nyob rau hauv lub sijhawm luv luv ntawm qhov kub thiab txias ntawm 300 ℃, zaj duab xis Al₂O₃ tuaj yeem tiv thaiv kev oxidation ntawm txheej, uas yog qhov laj thawj tseem ceeb vim li cas Galvalume Roll yog qhov tsim nyog rau cov pa taws thiab cov yeeb nkab kub siab.

III. Kev Sib Raug Zoo Ntawm Cov Khoom Siv, Kev Ua Tau Zoo, thiab Tus Nqi Galvalume Steel Coil

Muaj ntau tus neeg xav paub thaum lub sijhawm yuav khoom: Vim li cas tus nqi sib txawv ntawm Galvalume Coil ntawm tib cov lus qhia tuaj yeem ncav cuag 100-200 RMB / ton? Hauv qhov tseem ceeb, qhov sib txawv ntawm tus nqi qhia txog tus nqi ntawm cov khoom: Tus nqi txheej: Tus nqi lag luam ntawm txhuas yog 2-3 npaug ntawm zinc. Yog li ntawd, qhov siab dua ntawm cov ntsiab lus txhuas hauv txheej (piv txwv li, AZ150 piv rau AZ90), qhov siab dua tus nqi, thiab qhov siab dua ntawm Galvalume Steel Coil Price. Tus nqi khoom siv hauv paus: Qhov siab dua ntawm cov ntsiab lus manganese thiab qhov qis dua ntawm cov ntsiab lus phosphorus hauv cov hlau qis-carbon, qhov siab dua ntawm cov nqi smelting, thiab qhov siab dua ntawm Galvalume Steel Coil tus nqi sib xws. Tus nqi txheem: Cov khoom lag luam ua raws li ASTM A792 Galvalume tus qauv muaj kev tswj hwm kev kam rau siab ntawm cov khoom (piv txwv li, kev hloov pauv ntawm cov ntsiab lus txhuas ≤ ± 1%), tus nqi pov tseg siab dua thaum lub sijhawm tsim khoom, thiab tus nqi 5-8% siab dua li cov khoom tsis yog tus qauv. IV. Cov ntaub ntawv siv tau: Qhov tseem ceeb ntawm kev xaiv cov khoom sib xyaw

Ib qho project tsim kho ntug dej hiav txwv piv rau ob hom galvalume steel coils: Ordinary Galvalume Coil (50% txhuas, 1% silicon): Kev xeb hauv zos tshwm sim tom qab 3 xyoos ntawm kev siv; Galvalume Steel Coil Az150 (55% txhuas, 1.5% silicon), ua raws li ASTM A792: Tsis muaj kev xeb tseem ceeb tom qab 5 xyoos ntawm kev siv, thiab tsis muaj kev hloov pauv thaum muaj cua daj cua dub (cov khoom siv kho tshuab zoo dua). Qhov project thaum kawg xaiv qhov tom kawg. Txawm hais tias tus nqi pib ntawm Galvalume Steel Coil yog 150 RMB / ton siab dua, lub neej kev pabcuam tau ntev dua 10 xyoo, ua rau tus nqi qis dua tag nrho mus sij hawm ntev.

Xaus Lus: Kev tsim cov khoom sib xyaw ntawm galvalume steel coils yog ib qho txheej txheem ntawm "kev sib phim raws li qhov yuav tsum tau ua": AZ150 (siab txhuas, siab silicon) raug xaiv rau kev tiv thaiv corrosion siab; qis silicon, qis carbon substrates raug xaiv rau kev ua tiav nyuaj; thiab ASTM A792 cov khoom txheem raug xaiv rau cov haujlwm xa tawm. Nrog rau kev txhim kho yav tom ntej ntawm photovoltaic thiab kev lag luam zog tshiab, kev ua kom zoo dua ntawm cov khoom sib xyaw (xws li ntxiv cov khoom me me ntawm cov khoom tsis tshua muaj los txhim kho kev tiv thaiv corrosion) yuav dhau los ua qhov kev taw qhia tseem ceeb rau aluminized zinc steel coils, nthuav dav lawv cov ciam teb thov.