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GB/T 25020.2-2016 English PDF

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GB/T 25020.2-2016: Steel pole for overhead contact system of electrified railways-- Part 2: Square steel tube pole
Status: Valid

GB/T 25020.2: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 25020.2-2016	English	599	Add to Cart	5 days [Need to translate]	Steel pole for overhead contact system of electrified railways-- Part 2: Square steel tube pole	Valid	GB/T 25020.2-2016
GB/T 25020.2-2010	English	719	Add to Cart	3 days [Need to translate]	Steel pole for overhead contact system of electrified railway -- Part 2: Square shape tube steel pole	Obsolete	GB/T 25020.2-2010

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Basic data

Standard ID	GB/T 25020.2-2016 (GB/T25020.2-2016)
Description (Translated English)	Steel pole for overhead contact system of electrified railways-- Part 2: Square steel tube pole
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	S82
Classification of International Standard	29.280
Word Count Estimation	30,321
Date of Issue	2016-12-13
Date of Implementation	2017-07-01
Older Standard (superseded by this standard)	GB/T 25020.2-2010
Regulation (derived from)	National Standard Notice No.116 of 2016
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 25020.2-2016: Steel pole for overhead contact system of electrified railways-- Part 2: Square steel tube pole

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Steel pole for overhead contact system of electrified railways - Part 2. Square steel tube pole ICS 29.280 S82 National Standards of People's Republic of China Replace GB/T 25020.2-2010 Electrified railway catenary steel pillar Part 2. square steel pipe struts Part 2. Squaresteeltubepole 2016-12-13 released 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 Classification and naming Technical Requirements 6 Test Method 16

7 Inspection rules

8 logo and product certification 22 9 storage and transportation 22 Appendix A (informative) Technical requirements for fluorocarbon coating systems 23 Reference 25

Foreword

GB/T 25020 "electrified railway contact steel pillar" is divided into the following four parts. - Part 1. Lattice pillars; - Part 2. square steel pipe struts; - Part 3. Ring steel pipe struts; Part 4. H-shaped pillars. This part is part 2 of GB/T 25020. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part of the replacement GB/T 25020.2-2010 "electrified railway catenary steel pillars Part 2. square steel pipe pillars". The main technical changes in this part compared to GB/T 25020.2-2010 are as follows. - modified some normative references (see Chapter 2, Chapter 2 of the.2010 edition); - modified the standard test bending of the pillars (see 4.1.1, 4.1 of.2010); - Increased technical requirements for a greater than 25 mm deflection of the guide (see 5.6.2); - Revised the pillars of the vertical test method (see 6.4,.2010 version 6.4). This part of the State Railway Bureau proposed and centralized. This part of the drafting unit. China Railway Research Institute of Railway Construction Research Institute, China Railway Electrification Bureau Group Co., Ltd., China Railway electrification Survey and Design Institute Co., Ltd., China Railway Electrification Bureau Group Baoding Products Co., Ltd., Ministry of Railways product quality supervision and inspection center, China Railway Construction Electricity Bureau Group Xi'an Electrification Products Co., Ltd. The main drafters of this part. Wei Qiwei, An Xiangying, Liu Fengtao, Hu Huiliang, Zhong Xinhua, Chen Liming, Niuzheng Sen, Liu Xuying. This part of the previous version of the standard to replace the release of the situation. --- GB/T 25020.2-2010. Electrified railway catenary steel pillar Part 2. square steel pipe struts

1 Scope

GB/T 25020 of this part of the provisions of the electrified railway catenary pillar of the product classification, technical requirements, testing methods, Inspection rules, signs and factory certificates, storage and transportation. This part applies to electrified railway catenary pillar (hereinafter referred to as square steel pipe column), urban rail transit using similar Shielded square steel pipe pillars can be implemented with reference to this section.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 470 zinc ingots GB/T 700 carbon structural steel GB/T 709 Hot rolled steel sheet and strip size, shape, weight and allowable deviation GB/T 1591 low alloy high strength structural steel GB/T 2694 transmission line tower manufacturing technical conditions GB/T 3181 film color standard GB/T 4956 Magnetic properties of non - magnetic coatings on magnetic substrates GB/T 5117 non alloy steel and fine grain steel electrode GB/T 5118 heat steel electrode GB/T 5210 Paints and varnishes - Adhesion test Carbon steel wire and flux for submerged arc welding GB/T 5293 GB/T 8110 carbon steel for gas protection arc welding, low alloy wire Test for GB/T 9286 Paints and varnishes GB/T 9761 viscous color of paint and varnish paint Non - destructive measurement of thermal spray coating thickness GB/T 11374 Low - alloy steel welding wire and flux for submerged arc welding GB/T 12470 GB/T 13452.2 Paints and varnishes - Determination of film thickness Technical requirements and test methods for hot - dip galvanizing of steel - clad steel parts GB/T Code for design of steel structure GB 50017 Code for acceptance of construction quality of steel structure engineering GB 50205

3 terms and definitions

The following terms and definitions apply to this document.

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