GB/T 17456.1-2009
AbolishedDuctile iron pipes - External zinc-based coating - Part 1: Metallic zinc with finishing layer
球墨铸铁管外表面锌涂层 第1部分：带终饰层的金属锌涂层
Application Summary AI generated
This standard specifies requirements for external zinc-based coatings with a finishing layer on ductile iron pipes, including coating thickness, adhesion, and quality control. It is applied in the manufacturing and procurement of ductile iron pipes used for water supply, sewage, and gas transmission systems. The standard ensures corrosion protection and durability in underground or exposed fluid transport infrastructure.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.