GB/T 46437-2025 Active National standards

GB/T 46437-2025 Plastic-dipped composite steel pipes for industrial piping

GB/T 46437-2025 Plastic-dipped composite steel pipes for industrial piping

Publish Date: 2025-10-31 Implement Date: 2026-05-01 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 46437-2025
Standard Type: National standards
Standard Status: Active
is_force_gb: no
CCS Name: \nSteel pipes, cast iron pipes
ICS Name: Special-purpose pipe steel
Publish Date: 2025-10-31
Implement Date: 2026-05-01
Pages: 36 pages

Scope

This document specifies the classification and designations, order content, manufacturing process, technical requirements, test methods, inspection rules, packaging, marking, quality certificates, transportation, and storage of plastic-coated composite steel pipes and fittings for industrial pipelines.
This document is applicable to plastic-coated composite steel pipes (hereinafter referred to as plastic-coated pipes) and fittings used in pipelines in nuclear power, thermal power, chemical, pharmaceutical, municipal, and shipbuilding industries.

Development Information

Word Count: 44 Thousand words Pages: 36 pages

Referenced Standards

GB/T 241-1990 Metal tubes—Hydrostatic pressure testing GB/T 241-2007 Metal materials—Tube—Hydrostatic pressure test GB/T 241-2025 Metallic materials—Tube—Hydrostatic pressure test GB/T 2102-1988 Acceptance, packing, marking, and certification of pipe GB/T 2102-2006 Acceptance, packing, marking and quality certification of steel pipe GB/T 2102-2022 Acceptance,packaging,marking and quality certification for steel tubular products GB/T 3091-2001 Welded steel pipe for low pressure liquid delivery GB/T 3091-2008 Welded steel pipes for low pressure liquid delivery GB/T 3091-2015 Welded steel pipes for low pressure liquid delivery GB/T 3091-2025 Welded steel pipes for low pressure fluid delivery GB/T 4956-2003 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness-Magnetic method GB/T 4956-2025 Non-magnetic coatings on magnetic substrates—Measurement of coating thickness—Magnetic method GB/T 8163-1999 Seamless steel tubes for liquid service GB/T 8163-2008 Seamless steel tubes for liquid service GB/T 8163-2018 Seamless steel pipes for liquid service GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 9124.1-2019 Steel pipe flanges—Part 1:PN designated GB/T 9124.2-2019 Steel pipe flanges—Part 2:Class designated GB 11115-1989 Low density polyethylene resin GB/T 11115-2009 Polyethylene(PE) resin GB/T 11547-1989 Plastics—Determination of the effects of liquid chemicals, including water GB/T 11547-2008 Plastic—Methods of test for the determination of the effects of immersion in liquid chemicals GB/T 12459-1990 Steel butt-welding seamless pipe fittings GB/T 12459-2005 Steel butt-welding seamless pipe fittings GB/T 12459-2017 Steel buttwelding pipe fittings—Types and parameter GB/T 12459-2025 Steel buttwelding piping fittings—Types and parameters GB 12670-1990 Polypropylene resin GB/T 12670-2008 Polypropylene(PP) resin GB/T 13401-1992 Steel plate butt-welding pipe fittings GB/T 13401-2005 Steel plate butt-welding pipe fittings GB/T 13401-2017 Steel buttwelding pipe fittings—Technical specification GB/T 28897-2012 Steel pipes of complex plastic GB/T 28897-2021 Steel-plastic compound pipes and fittings for fluid service GB/T 50726 GB/T 13401-2025 Steel buttwelding piping fittings—Technical specification

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