This standard specifies the terms and definitions, classification and codes, ordering contents, dimensions, appearance, weight and allowable deviations, technical requirements, inspection and testing, packaging, marking and quality certificates of continuous hot-dip galvanized steel sheets and strips for construction. This standard applies to continuous hot-dip galvanized steel plates and steel strips (hereinafter referred to as steel plates and steel strips) with a thickness of 0.2mm to 5.0mm and a width of 700mm to 2080mm for building enclosures, structural parts, floor decking, etc.
YB/T 4457-2015 history
2022YB/T 4457-2022 Continuous hot-dip coated steel plates and strips for construction
2015YB/T 4457-2015 Continuously hot-dip zinc-coated steel sheet and strip for building