GB/T 17456.1-2025
ActiveDuctile iron pipes, fittings and accessories—External zinc-based coating—Part 1：Metallic zinc and zinc alloy with finishing layer
球墨铸铁管、管件和附件 外表面锌基涂层 第1部分：带终饰层的金属锌及锌合金涂层
Application Summary AI generated
This standard specifies requirements for external zinc-based coatings, including metallic zinc and zinc alloy layers with a finishing layer, applied to ductile iron pipes, fittings, and accessories. It is used in the manufacturing and quality control of water, wastewater, and gas pipeline systems to ensure corrosion protection and durability in buried or exposed environments. The standard applies to fluid system components in municipal infrastructure, industrial piping, and construction projects.
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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.