GB/T 25020.1-2025Pole for overhead contact system of electrified railways - Part 1: Steel pole (English PDF)
电气化铁路接触网支柱 第1部分：钢支柱
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
January 24, 2025
Implementation date
August 1, 2025
Scope
GB/T 25020.1-2025 is the English-translated version of 电气化铁路接触网支柱 第1部分：钢支柱.
GB/T 25020.1-2025 is the Chinese standard "Pole for overhead contact system of electrified railways - Part 1: Steel pole".
Its scope clause reads: This document specifies the classification and representation methods, technical requirements, test methods, inspection rules, and markings of steel pillars for electrified railway contact networks, and product certification, storage and transportation.
This document is applicable to steel pillars of electrified railway contact networks, and shall be used as a reference for similar pillars used in urban rail transit.
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Document preview — GB/T 25020.1-2025
National Standard of the People's Republic of China
- ICS
- 29.280
- Classification
- S 82
- Replacing
- GB/T 25020.1-2010
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope1
- 2 Normative references1
- 5.4 Dimensional deviation5
- 9 Storage and Transportation10
1 Scope
This document specifies the classification and representation methods, technical requirements, test methods, inspection rules, and markings of steel pillars for electrified railway contact networks.
And product certification, storage and transportation.
This document is applicable to steel pillars of electrified railway contact networks, and shall be used as a reference for similar pillars used in urban rail transit.
2 Normative references
The contents of the following documents constitute the essential clauses of this document through normative references in this document.
For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to
This document.
GB/T 41 Type 1 Hexagon Nuts Grade C
GB/T 95 Flat Washers Grade C
GB/T 97.1 Flat washers Grade A
GB/T 470 Zinc Ingot
GB/T 699 High-quality carbon structural steel
GB/T 700 Carbon structural steel
GB/T 706 Hot-rolled steel sections
GB/T 709 Dimensions, shapes, weights and tolerances of hot-rolled steel plates and strips
GB/T 711 High-quality carbon structural steel hot-rolled plates and strips
GB/T 1591 Low alloy high strength structural steel
GB/T 2694-2018 Technical requirements for the manufacture of transmission line towers
GB/T 3098.1 Mechanical properties of fasteners Bolts, screws and studs
GB/T 3098.2 Mechanical properties of fasteners - Nuts
GB/T 3274 Hot-rolled carbon structural steel and low alloy structural steel plates and strips
GB/T 5117 Welding rods for non-alloy steel and fine grain steel
GB/T 5118 Heat-resistant steel welding rods
GB/T 5267.3 Hot-dip galvanized coating on fasteners
GB/T 5293 Classification requirements for solid welding wires, flux-cored welding wires and welding wire-flux combinations of non-alloy steel and fine-grained steel for submerged arc welding
GB/T 5780 Hexagon head bolts Grade C
GB/T 5782 Hexagon head bolts
GB/T 6170 Type 1 Hexagon Nuts
GB/T 8110 Solid welding wire for non-alloy steel and fine grain steel for gas shielded arc welding
GB/T 10045 Flux-cored welding wire for non-alloy steel and fine grain steel
GB/T 12470 Classification requirements for heat-resistant steel solid welding wire, flux-cored welding wire and welding wire-flux combinations for submerged arc welding
GB/T 13912 Technical requirements and test methods for hot-dip galvanized coatings on metallic coatings of steel products
GB/T 17493 Heat-resistant steel flux-cored welding wire
TB/T 2809 | TB/T 3111 | TB/T 2075.13 | GB/T 43511 | GB/T 32591 | GB/T 25020.4 | […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.
Referenced standards
Normative references
Editions of GB/T 25020.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 25020.1-2025 | Pole for overhead contact system of electrified railways - Part 1: Steel pole | current edition | Current |
| GB/T 25020.1-2010 | Steel pole for overhead contact system of electrified railway -- Part 1: Lattice pole | previous edition | In force |
This page sells the current edition, GB/T 25020.1-2025. Earlier editions are listed for reference only.
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Related Standards
GB/T 10045-2018 — Tubular cored electrodes for non-alloy and fine grain steels
GB/T 12470-2018 — Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for submerged arc welding of creep-resisting steels
GB/T 13912-2020 — Metallic coatings--Hot dip galvanized coatings on fabricated iron and steel articles--Specifications and test methods
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GB/T 25020.1-2025
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