Traditional galvanized metal roofing is a corrugated sheet of carbon steel with a galvanized coating. The coating is created by dipping the straight sheet in hot molten zinc. The zinc ions bond with iron molecules in the steel to create a shiny, rust-resistant surface finish. This process is called galvanization.





The products stock, transport load and unload notice. < Very Important >.
1. The environment of the products stock must be dry and ventilate. must be far away the organic solvent agent and corrosive medium such as Acid, Alkali, Salt and so on.
2. The products should be avoid the rain, snow, fog and avoid demage, pollute, bump, squeezing to result in the quality problems during the stock, transport load and unload.
3. The products should be transport same as it out of the mill, you can't change or demage it's pristine package.
4. All the products should be avoid to pile up to stock exclude the high strength coil.
Product | Galvanized Roofing Sheets, Corrugated Roofing Sheets, Metal Roofing Sheets Panels |
Grade | DX51D+Z, DX52D+Z, DX53D+Z, DX54D+Z, DX56D+Z, DX57D+Z, DC51D+Z, SGCC, SGCD, S220GD+Z, S250GD+Z, S280GD+Z, S320GD+Z, S350GD+Z, S550GD+Z |
Standard | JIS 3302 / ASTM A653 /EN10143 AISI , ASTM , DIN , GB , JIS , BS |
Base Steel | Galvanized steel/Galvalume steel |
Width (Available for customized requirement) | Before Corrugated:1250mm 1219mm 1200mm 1000mm 914mm 762mm / After Corrugated:360mm-1200mm |
Thickness | 0.12mm~5mm |
Zinc coating | 30-400g/m2 |
ID coil | 508mm or 610mm |
Spangle | zero spangle / minimized spangle / regular spangle/ big spangle |
Surface treatment | Passivation/skin pass/oiled,Zero Spangle / Mini Spangle / Regular Spangle / Big Spangle,Chromed / skinpass/ oiled/slightly oiled/ dry |
Packing | export strandad Packing Steel Pallet |
Surface structure: Large Spangles / Regular Spangles / Small Spangles / Zero Spangles.
Standard export package (Plastic film in the first layer,second layer is Kraft paper. Third layer is galvanized sheet)
Tianjin YOUFA were founded on July 1st,2000, with the headquarters location at the largest welded pipe production basein
China-Daqiuzhuang Village, Tianjin city, which is a large-scale steel pipe manufacturing enterprise producing many kinds of
pipe products, such as ERW steel pipe, hot-dipped galvanized steel pipe, oil casing pipe,SSAW steel pipe, square/rectangular
steel pipe, and steel-plasticcomplex steel pipe
Besides headquartering in Tianjin, currently we have11 subsidiariesand branches in Tangshan, Handan,and Shaanxi. There are
totally 9000 employees,in addition 64 ERW steel pipe production lines, 42 hot-dipped galvanized steelpipe production lines,33 square
and rectangular steel pipe production lines, 15 galvanized square and rectangular steel pipe production lines ,9SSAW steel pipe
production lines, 30steel-plastic complex steel pipe productionlines, 3 national accredited laboratory, and 1 Tianjin government
accreditedbusiness technology center. In2018, we had produced all kinds of steel pipes16 million tons, realizing export being
USD 0.16 billion. Our steelpipe production and sale, in nine consecutive years, increase progressivelymore than one million tons.
steel pipes. We also involve in other steel products like Hot dipped Galvanized GI Coil, Galvanized sheet, Galvalume Coil,
Galvalume sheet, PPGI, PPGL, corrugated roofing sheet. Scaffolding.
Q:Are you trading company or manufacture?
A:Both.
Q:Can I have a trial order only for several tons?
A: Yes, it is ok. We can ship the regular specifications with LCL service.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free, with the cost of freight paid by customer.
Q:Are you gold supplier and do trade assurance
A:YES. We have strong cooperation with SINOSURE.
Q:How long is your delivery time?
A:Generally it is 3-5 days if goods are in stock. or around 20 days if the goods are not in stock and it is according to order requirement.
Q:What is your terms of payment?
A: Payment<=1000USD, 100% in advance.
Payment>=1000USD, 30% T/T in advance ,balance before shippment. Or L/C at sight.