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3mm 0.7mm hot dipped galvanized corrugated steel sheet for corrugated steel roofing sheet

PRODUCT INTRODUCTION

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Corrugated Steel Sheet

Zine coated30g/m2-275g/m2;AZ30g/m2-150g/m2
Surface   treatmentChromate,   Galvanized, Skin Pass, Passivity and Oiled(un-oiled)
Thickness0.1~2.0mm
Width500mm,1000mm,220mm,   250mm,1500mm,or be required
Length1000mm,2000mm,2440mm,3000mm,3048mm,6000mm,or   be required

Applicationa)   General service industries (petroleum, food, chemical,
paper,   fertilizer, fabric, aviation and nuclear)
b)   Fluid, gas and oil transport
c)   Pressure and heat transmission
d)   Construction and ornament
e)   Boiler heat exchangers
PackageExport   standard package:bundled wooden box or be required;   The inner size of container is below:   (1)20footGP:5.8m(length)x2.13m(width)x2.18m(high)about   24-26 CBM   (2)40footGP:11.8m(length)x2.13m(width)x2.72m(high)about   68 CBM   We will packing as the factory, and reach the stander of export.   Or as the customer request. In addition,   We will make the products with good surface protection.

DIFFERENCES BETWEEN GALVANIZED SHEET AND ALUMINIZED ZINC SHEET:


The difference between galvanized sheet and aluminized zinc sheet mainly lies in the difference of coating. A layer of zinc material is evenly distributed on the surface of galvanized sheet, which plays the role of anode protection for the base metal. In other words, the substitutive corrosion of zinc material protects the use of the base metal.

Aluminium zinc plate the surface of the coating is composed of 55% aluminum, 43.5% of the zinc and small amounts of other elements, aluminum zinc plating coating under microscopic surface for honeycomb structure, composed of aluminum in the "honeycomb" containing zinc, in this case, aluminium zinc plating coating has anodic protection role, but on the other hand due to the shrinking of zinc content on the one hand, because of the zinc material by aluminum bag not the role of electrolysis anode protection so greatly reduced, so once the aluminium zinc plate is cut, the cut off the edge of the protection of basic loss was will soon be under the condition of corrosion, so the plating aluminium zinc plate should be cut less as far as possible,Once cut with anti-rust paint or zinc-rich paint to protect the edges, the life of the plate can be extended.


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