GB/T 17456.2-2025 Active National standards

GB/T 17456.2-2025 Ductile iron pipes,fittings and accessories—External zinc-based coating—Part 2:Zinc rich paint with finishing layer

GB/T 17456.2-2025 Ductile iron pipes,fittings and accessories—External zinc-based coating—Part 2:Zinc rich paint with finishing layer

Publish Date: 2025-08-29 Implement Date: 2026-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 17456.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \nSteel pipes, cast iron pipes

ICS Name: Iron pipes and steel pipes

Publish Date: 2025-08-29

Implement Date: 2026-03-01

Pages: 16 pages

Scope

This document specifies the technical requirements and test methods for the application of zinc-rich coatings and finishing coatings to the outer surface of nodular cast iron pipes, fittings, and accessories in factories, as stipulated in GB/T 13295, GB/T 26081, and GB/T 43492.
This document applies to zinc-rich coatings with a finishing layer on the outer surface of nodular cast iron pipes, fittings, and accessories.

Development Information

Word Count: 15 Thousand words Pages: 16 pages

Same series standard

GB/T 17456.1-2025 Ductile iron pipes,fittings and accessories—External zinc-based coating—Part 1: Metallic zinc and zinc alloy with finishing layer

Replace the following standards

GB/T 17456.2-2010 Ductile iron pipes—External zinc coating—Part 2:Zinc rich paint with finishing layer

Referenced Standards

GB/T 13295-2003 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2008 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2013 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13295-2019 Ductile iron pipes,fittings and accessories for water or gas applications GB/T 13452.2-1992 Paints and varnishes—Determination of film thickness GB/T 13452.2-2008 Paints and varnishes—Determination of film thickness GB/T 26081-2010 Ductile iron pipes,fittings and accessories for sewage applications GB/T 26081-2022 Ductile iron pipes,fittings and accessories for sewerage applications GB/T 43492-2023 Thermal preinsulated ductile iron pipes,fittings and accessories

Adopt standards

ISO 8179-2:2017

Related Standards

GB/T 3420-1982 Replaced

GB/T 3420-1982 Gray iron castings for pipe fittings

Publish Date: 1982-12-31

GB/T 3421-1982 Abolished

GB/T 3421-1982 Cast-iron pressure pipe centrifugally cast in sand-lined molds

Publish Date: 1982-12-31

GB/T 3422-1982 Replaced

GB/T 3422-1982 Cast-iron pressure pipe made by continuous casting process

Publish Date: 1982-12-31

GB/T 6483-1986 Replaced

GB/T 6483-1986 Soft mechanical joint grey cast iron pipe

Publish Date: 1986-06-07

GB/T 8714-1988 Replaced

GB/T 8714-1988 Grey cast iron pipes with rubber ring of ladder-lip-shaped

Publish Date: 1988-02-22

GB/T 8715-1988 Replaced

GB/T 8715-1988 Soft mechanical joint grey cast iron fittings

Publish Date: 1988-02-22