Aluzinc Roofing Sheets
Dav: 600-1250mm
Zinc: AZ30-AZ120
Txuj: JIS 3312, ASTM A653, EN10169
Thickness: 0 12-2.5 hli
Dav: 600-1250mm
Zinc: AZ30-AZ120
Txuj: JIS 3312, ASTM A653, EN10169
Kev piav qhia
Aluminium-zinc coated steel ntawv yog ib daim ntawv hlau nrog ntau lub zog thiab thickness specifications raws li cov khoom siv hauv paus, uas yog tau los ntawm kub-dip txheej nrog AL-Zn alloy txheej. Cov ntawv txhuas-zinc coated steel yog kho nrog aluminium-zinc alloy rau saum npoo ntawm cov ntawv hlau, uas yog tsim los ntawm 55 feem pua aluminium, 43.4 feem pua zinc, thiab 1.6 feem pua silicon, solidified ntawm qhov kub ntawm 600 degree. Tag nrho cov qauv ntawm cov txheej yog tsim los ntawm txhuas-hlau-silicon-zinc, ua ib tug tuab plaub-element crystalline alloy txheej ntawm cov hlau ntawv.
Khoom Specification
|
ALUMINIZED ZINC COIL |
|
|
Khoom siv |
DX51D plus AZ |
|
Nto: |
Spangle |
|
Tensile zog: |
270-500Mpa |
|
Yield zog: |
140-300Mpa |
|
Elongation: |
Ntau dua lossis sib npaug li 22 feem pua |
Tshuaj muaj pes tsawg leeg ntawm DX51D ntxiv rau AZ
|
Qib |
C max |
Mn |
Si |
P |
S |
|
DX51D plus AZ |
0.12 |
0.6 |
0.5 |
0.1 |
0.045 |
Peb qhov zoo
1. Corrosion kuj
Zinc muaj cov tshuaj active tshuaj. Nyob rau hauv chav tsev kub, nws tsim ib tug nyias thiab ntom yooj yim zinc carbonate zaj duab xis rau saum npoo, uas tuaj yeem tiv thaiv oxidation ntxiv. Aluminium, ntawm qhov tod tes, tsim cov txheej txheem oxide insoluble hauv huab cua, uas ua raws li kev tiv thaiv kev tiv thaiv. Hauv kev sim ua rau kub-dip galvanized steel daim hlau thiab aluminium-zinc coated steel daim hlau nrog tib lub thickness, txheej, thiab kev kho deg, aluminium-zinc txheej muaj corrosion kuj zoo heev thiab lub neej ntev yog 2-6 zaug ntev dua li qub. galvanized steel phaj.
2. Thaum tshav kub kub tsis kam
Cov khoom siv kub-dip galvanized feem ntau muaj qhov kub siab tshaj plaws ntawm 230 degrees, thiab lawv tuaj yeem hloov xim ntawm 250 degrees. Nyob rau hauv sib piv, aluminium-zinc coated steel yuav siv tau nyob rau hauv ib puag ncig mus txog 315 degrees yam tsis hloov xim.
4. Mechanical Properties
Cov khoom siv hluav taws xob ntawm aluminium-zinc coated steel los xij yog qhov tshwj xeeb los ntawm kev tawm dag zog, lub zog tensile, thiab elongation. Rau qib DC51D ib txwm muaj nrog zinc txheej ntawm 150g / m², lub zog tawm los feem ntau yog li ntawm 140 txog 300 MPa, lub zog tensile li ntawm 200 txog 330 MPa, thiab elongation yog li ntawm 13 txog 25 feem pua.
Ntawm qhov tod tes, rau qib DC51D ntxiv rau AZ nrog aluminium-zinc txheej ntawm 150g / m², lub zog tawm los ntawm 230 txog 400 MPa, lub zog tensile li ntawm 230 txog 550 MPa, thiab elongation li ntawm 15 mus rau 45 feem pua. .
5. Tus nqi zoo
Vim tias qhov qis dua ntawm 55 feem pua AL-Zn piv rau Zn, thaum qhov hnyav thiab tuab ntawm cov txheej kub plating zoo ib yam, thaj tsam ntawm AL-Zn plated steel ntawv yog ntau tshaj 3 feem pua loj dua li ntawm galvanized steel ntawv.
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