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. China Green Color Ral6029 Prepainted Galvanized Metal China Green Color Ral6029 Prepainted Galvanized Metal Roof/Colour Corrugated Roofing Sheet, Find details about China Colour Corrugated Roofing, Color Sheet Roofing Metal from Green Color Ral6029 Prepainted Galvanized Metal Roof/Colour Corrugated Roofing Sheet - Zhengzhou City Unites Steel Industrial Co., Ltd.
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Galvanized Corrugated Steel Sheet:Standard:ASTM A653M-04/JIS G3302/DIN EN10143/GBT 2518-2008:Basal plate:Cold rolled steel coil ,hot dipped galvanized steel coil:Zinc Coating:Z30-Z275G/m2:Thickness:0.12-1.2mm:Width:750-1250mm(before corrugation) 600-1050mm(after corrugation) Wave depth:18(+/-2mm) Wave distance:76(+/-2mm) Length:1-12m:Number of corrugation:9-12 Galvanized Roofing Sheet - China Galvanized Steel Coil Galvanized Steel Coil, Prepainted Steel Coil, Roofing Sheet manufacturer / supplier in China, offering Building Material Zinc Coated Galvanized Sheet Corrugated Roofing Sheet, Dx51d High Strength Gi Zinc Coated Galvanized Steel Coil for Industrial Panels, Hot DIP Galvanized Steel Coil Strip Palte Gl Gi for Roofing and so on. Galvanized Roofing Sheet - Qingdao Quanlong Metal PPGI/PPGL, Steel Strip, Steel Plate manufacturer / supplier in China, offering SGLCC Building Material Aluminum-Zinc Coated Galvalume Corrugated Roofing Sheet, ASTM A653 Zn275 Zero Spangle Galvanized Steel Sheet, Roofing Material 28 30 Gauge Gi Galvanized Steel Zinc Sheet and so on.
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Zinc coated metal corrugated galvanized roofing sheet:Coat:Z30-Z275G/M2:Width:750-1250mm(before corrugation) 600-1000mm(after corrugation) Length:According to Customers Requirement:Spangle:Big spangle, Regular spangle, minimized spangle, zero spangle:MOQ:5 Tons