GB/T 17456.1-2025 Active National standards

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

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

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 17456.1-2025

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 and zinc alloy coatings and finishing coatings on the outer surface of nodular cast iron pipes, fittings, and accessories in GB/T 13295, GB/T 26081, and GB/T 43492 in the factory.
This document applies to zinc and zinc alloy coatings with a finishing layer on the outer surface of nodular cast iron pipes, fittings, and accessories.

Development Information

Word Count: 18 Thousand words Pages: 16 pages

Same series standard

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

Replace the following standards

GB/T 17456.1-2009 Ductile iron pipes—External zinc-based coating—Part 1:Metallic zinc 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 8179-1:2017

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