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Galvanized corrugated steel sheet

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Cold rolled CGI corrugated galvanized steel 

Corrugated galvanized iron or steel (colloquially corrugated iron (near universal), wriggly tin (taken from UK military slang),
pailing (in Caribbean English), corrugated sheet metal (in North America) and occasionally abbreviated CGI) is a building material composed of sheets of hot-dip galvanized mild steel, cold-rolled to produce a linear corrugated pattern in them. The corrugations increase the bending strength of the sheet in the direction perpendicular to the corrugations, but not parallel to them. Normally each sheet is manufactured longer in its strong direction.

CGI is lightweight and easily transported. It was and still is widely used especially in rural and military buildings such as sheds and water tanks. Its unique properties were used in the development of countries like Australia from the 1840s, and it is still helping developing countries today.
Corrugated iron is equivalent to tin roof.

Corrugated Galvanized Roofing Sheet


SGCC, SGCH, JIS G3302, DX51D, DX52D, DX53D


0.10 - 1mm or as customer's requirement


600 - 1250mm or as customer's requirement


2 - 5 meters


Thickness:+/- 0.02mm Width:+/-2mm

Zinc Coating

30 - 275g/m2

Surface Treatment

unoil, dry, chromate passivated, non-chromate passivated


ISO 9001-2008, SGS, CE, BV


Cold rolled->hot dipped galvanizing->Color Coated -> corrugated

Depth of corrugated

from 15mm to 18mm


from 75mm to 78mm


The gloss can changeable by Customers' Request.we can also do some High gloss.


GB/T 12754-2006; ASTM A 755; EN 10169; JIS G 3312; AISI; BS; DIN



Yield Strength

550MPA/As required

Tensile strength

600MPA/As required


Full hard/soft/As required


various roofs or walls referring to the large size factory buildings, storages, exhibition halls, gymnasiums etc.

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