Standards: QB1319 or JIS Z 1535 Protect: Steel, Powder Metallurgy,Silicon Steel, Aluminum Specification: width of 787mm and ... steel, alloy steel, cast iron, steel phosphide, blued steel, powder metallurgy, oriented and non-oriented silicon steel, aluminum, etc.Product ... , then totally cover the each part with VCI paper(the using acreage of VCI paper is almost the same as metal exterior acreage). ...