GB/T 17456.1-2009 《Zinc coatings on the outer surface of ductile cast iron tubes - Part 1: Metallic zinc coatings with finishes》 Related products

The standard specifies the technical requirements for metal zinc coatings on the outer surface of ductile cast iron pipes, especially zinc coatings with final finishes, including coating Film thickness, adhesion, corrosion resistance and related test methods. Proposed by the China Industry Association, the National Steel Standardization Technical Committee is centralized, and the Xinxing Cast Pipe joint stock company and the Metallurgical Industry Information Standards Research Institute are responsible for drafting, which ensures the quality control and application effect of zinc coatings.