GI Corrugated Roofing Sheet is protected from corrosion by a zinc coating applied to the steel sheet.The zinc coating should be thick enough to ensure the durability of the GI Corrugated Roofing Sheet by preventing corrosion. A 20 µm coat of zinc should be applied per side of the GI Corrugated Roofing Sheet (total of 40µm for both sides of the GI Corrugated Roofing Sheet equivalent to 275g/m²). Zinc coating thickness and method of galvanization are the most important factors for durability.
GI Corrugated Roofing Sheet
Commodity:GI Corrugated Roofing Sheet
Yearly Capacity:50000Ton
Thickness:0.11-2.0mm
Gauge:7/14/18/22/24 gauges
Roofing Sheet Type:encaustic tile,crest tile,water corrugated tiles.
Commodity | GI Corrugated Roofing Sheet |
Thickness | 0.12-2.0mm |
Width | 600-1250mm(750mm, 762mm, 880mm, 900mm, 914mm, 940mm, 1040mm, 1219mm,1250mm,1000mm the most common) |
Zinc coating | 30-275 g/m2 |
Type | hot dipped galvanized zinc coated steel sheet |
Weight | 2-5MT Per Pallet, or as per customers' requests |
Material | SGCC,DX51D+Z |
Grade | JIS G3302,SGCC-SGC570 , SGCH(Full Hard-G550),EN 10346-DX51D+Z, S250GD-S550GD,ASTM A653M CS-B, SS255~SS550 |
Package | PVC film Water-proof paper, galvanized steel covered and steel strip packed |
Supply capacity | 3000 MT Per Month |
Surface treatment | Skin Pass |
Application | Industrial panels, roofing and siding for painting |
MOQ | 25 MT |
Payment terms | T/T, LC |
Loading Port | Qingdao Port |

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