Judgment criteria and key factors for hot-dip galvanizing The judgment criteria and reasons for hot-dip galvanizing mainly include the following three points: 1、 Adhesion amount Corrosion resistance mainly depends on the thickness of the coating, and thickness measurement is usually based on the quality of galvanizing, composition of the galvanizing layer, organizational structure, and different reactions on the surface of …

Standard and measurement method for zinc layer thickness of hot-dip galvanized bolts 1、 Definition of bolts A bolt is a type of fastener composed of a head and a screw, which needs to be matched with a nut to fasten and connect two parts with through holes. Bolts mainly serve as connections and fasteners, and their quality has a direct …

Inspection of HDGSimilar to any manufacturing process, hot-dip galvanized steel requires an inspection of the finished product to ensure compliance with applicable specifications. The inspection process requires a clear understanding of galvanizing specification requirements and measurement techniques to make an accurate assessment. Electronic reading of galvanized steel thicknessA key feature of hot-dip galvanized (HDG) products is longevity and decades of …