prepainted hot dipped galvalume steel coils ppgl



galvanized, Galvalume, tinplate, ppgi, aluminum sheet ...

Shanghai AIYIA steel group is a professional leader China galvanized, Galvalume, tinplate manufacturer with high quality and reasonable price. Welcome to contact us.

We are a Professional Steel Sheet Coil Manufacturer …

We are a Professional Steel Sheet Coil Manufacturer and Suppliers Exporter from China. We manufacturing Pre-Painted Steel Coil , Galvanized Steel Coils, Galvalume Steel Coils, ColCold Rolled Coils, Hot Rolled Coils and Prepainted Color Coated Coils. Our company is one of the Top 100 Manufacturing Enterprises Shandong Province in China.

Galvanized Steel: The Difference Between Regular …

There have two kinds zinc spangles for hot dipped galvanized steels, one is regular spangle and another is zero spangle. Before time, due to China technology can not get very clear pure lead in the zinc liquids, there is always some spangle on the galvanized steel surface.

Cold Rolled Sheet Surface Linear Defect Analysis

The surface black sliver defects of cold-rolled DC03 steel sheet are found in certain block in a China steel-making plant, the surface and section of the defects are analyzed by SEM and EDS,it shows that there are many different size grains of Fe on the surface of the defects and there also many grains on the section of the defects which are found FeO in the center but Fe in the surface layer.

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