What is the corrugated sheet form of steel mostly used? Corrugated roofing sheets. Mostly used in agricultural buildings, corrugated roofing sheets feature repetitive folds on their surface. Because of their unique shape, they offer years of reliable utility and enhanced strength. Their corrugated design with ridges and grooves make them stronger than before. What is a corrugated steel sheet? Corrugated sheets are stronger than other alternatives due to their rippled structure, as compared to plain surfaces of other sheets. Their repetitive folds on the surface are what offers them the better durability and enhanced strength that they possess. Does corrugated steel rust? Corrugated galvanized metal is great for wet areas, because the material will not rust even after years of being sprayed with water. Looking for corrugated steel sheets suppliers, welcome to contact us.