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GB/T 41217-2021City metro and composite pipe gallery hot-rolling channel (English PDF)

城市地铁与综合管廊用热轧槽道

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 31, 2021

Implementation date

July 1, 2022

Scope

GB/T 41217-2021 is the English-translated version of 城市地铁与综合管廊用热轧槽道.

GB/T 41217-2021 covers the hot-rolled channels pre-embedded in urban metro lines and utility tunnels as special components for fixing equipment and pipelines.

It specifies how the channel systems are composed, marked, dimensioned and designated, the general provisions and product requirements, the test methods, the inspection rules, product marking and accompanying documents, and packaging, transport and storage.

Its normative references point to the checks involved, among them hot-dip galvanized coatings, salt spray corrosion, cross-cut adhesion of paint, grain size, mechanical properties of bolts and nuts, combustion performance of building materials and fire resistance of building components, together with the railway catenary parts standards TB/T 2073 and TB/T 2074.

Other similar underground projects can apply it by reference. It was issued on 31 December 2021 and has applied since 1 July 2022.

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Document preview — GB/T 41217-2021

National Standard of the People's Republic of China

ICS: 91.060
Classification: S 05

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Composition, marking, dimensions and model
5 General provisions
6 requirements
7 Test methods
8 Inspection rules
9 Product logo and accompanying documents
10 Packaging, transport and storage

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1. Structure and Drafting Rules of Standardization Documents" drafted.

1 Scope

This document specifies the composition, marking, model, general regulations, requirements, test methods, inspections of hot-rolled channels for urban subways and integrated pipe corridors Rules, product logos and accompanying documents for products and packaging, transportation and storage, etc.

This document is applicable to hot-rolled channels for urban subways and integrated pipe corridors, and other similar underground projects can be implemented by reference.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 197 Ordinary thread tolerance

GB/T 222 Allowable deviation of finished chemical composition of steel

GB/T 470 Zinc Ingot

GB/T 2522 Electrical steel strip (sheet) coating insulation resistance and adhesion test method

GB/T 2829 Periodic Inspection Counting Sampling Procedure and Table (Applicable to Inspection of Process Stability)

GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs

GB/T 3098.2 Fasteners Mechanical Properties Nuts

GB/T 3103.1 Fastener Tolerance Bolts, Screws, Studs and Nuts

GB/T 4336 Determination of multi-element content of carbon steel and medium and low alloy steel spark discharge atomic emission spectrometry (conventional method)

GB/T 6394 Metal Average Grain Size Determination Method

GB/T 6461 Rating of Specimens and Specimens After Corrosion Tests of Metal and Other Inorganic Coatings on Metal Substrates

GB 8624 Classification of Combustion Properties of Building Materials and Products

GB/T 9286 Paint and varnish cross-cut test

GB/T 10125 Artificial Atmosphere Corrosion Test Salt Spray Test

GB/T 13912 Technical requirements and test methods for hot-dip galvanized coating of metal-clad steel products

GB/T 14436 General Principles of Warranty Documents for Industrial Products

GB/T 19292.1 Corrosive Atmospheric Corrosion of Metals and Alloys - Part 1. Classification, Determination and Evaluation

GB/T 26784 Optional and additional test procedures for fire resistance test of building components

GB 50016 Code for fire protection of building design

TB/T 2073 Technical conditions for electrified railway catenary parts

TB/T 2074 Test method for electrified railway catenary parts

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1 Hot-rolling channel

Pre-embedded in urban subways and integrated pipe corridors, special components used for fixing equipment and pipelines.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 18 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 14436

Cited by

GB/T 37439-2019Precast post-tensioned prestressed concrete simply supported beams for high-speed railways

Similar standards

GB/T 16727-2025|GB/T 11981-2024|GB/T 23444-2024|GB 25501-2019|GB 28378-2019|GB/T 37266-2018

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