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GB/T 34020.2-2017 English PDF

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GB/T 34020.2-2017: Double wall copper-brazed steel tubes -- Part 2: Tubing system for automobiles
Status: Valid
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GB/T 34020.2-2017English439 Add to Cart 4 days [Need to translate] Double wall copper-brazed steel tubes -- Part 2: Tubing system for automobiles Valid GB/T 34020.2-2017

PDF similar to GB/T 34020.2-2017


Standard similar to GB/T 34020.2-2017

GB/T 34201   GB/T 33821   GB/T 33966   GB/T 45781   GB/T 45779   GB/T 34020.1   

Basic data

Standard ID GB/T 34020.2-2017 (GB/T34020.2-2017)
Description (Translated English) Double wall copper-brazed steel tubes -- Part 2: Tubing system for automobiles
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H48
Classification of International Standard 77.140.75
Word Count Estimation 22,238
Date of Issue 2017-07-12
Date of Implementation 2018-04-01
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 34020.2-2017: Double wall copper-brazed steel tubes -- Part 2: Tubing system for automobiles

---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.
Double wall copper-brazed steel tubes - Part 2. Tubing system for automobiles ICS 77.140.75 H48 National Standards of People's Republic of China Double-rolled steel pipe Part 2. Automotive piping systems Part 2.Tubingsystemforautomobiles 2017-07-12 Posted 2018-04-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released Directory Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 classification and marking 1 5 order content 2 6 Size, shape, weight and tolerance 2 7 Technical Requirements 5 8 Test Method 8 Inspection rules 8 10 packaging, marking and quality certificate 9 Appendix A (Informative) Burst pressure double tube 10 Appendix B (Normative) Double flaring test 11 Appendix C (Normative) Internal surface cleanliness residue test method 13 Appendix D (informative) double pipe coating 14 References 18

Foreword

GB/T 34020 "double-rolled steel pipe" is divided into three parts. --- Part 1. Refrigerator piping system tube; --- Part 2. Automotive piping system tube; --- Part 3. Air conditioning and refrigeration equipment piping system pipe. This section GB/T 34020 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. Please note that some of this document may be patentable. The issuing agencies of this document do not bear the responsibility of identifying these patents. This part is proposed by China Iron and Steel Association. This part of the National Standardization Technical Committee Steel (SAC/TC183) centralized. This section is responsible for drafting unit. Nanjing dawn Di Feng Electrical Co., Ltd., Jing large (Jingzhou) Auto Parts Co., Ltd.. Participated in the drafting of this section. Tianjin Oil Pipe Factory, Tianjin Zhuyou times Automotive Components Manufacturing Co., Ltd., Changzhou Wujin Shunda Fine Steel Tube Co., Ltd., Jingzhou Tianyu Auto Parts Co., Ltd., Tianjin Heavy Light Hardware Products Factory, Nanchang confluence of automotive pipelines Ltd., Henan Si Qite Automotive Piping Co., Ltd. The main drafters of this section. Wang Jianguo, Deng Bo Steel, Zhao Guoqing, Liu Jiduo, Lv Yimin, Zhang Xiaowei, Cao Jiangming, Zhang Huaping, Zhang Yonggang, Wang Shujie, Liu Guomin, Li Tianbao, Mao Yanwei, Yang Shixi. Double-rolled steel pipe Part 2. Automotive piping systems

1 Scope

This part of GB/T 34020 specifies the classification and marking, double-layer welded steel pipe for automotive piping systems, size, shape, weight and allow Tolerance, technical requirements, test methods, inspection rules, packaging, marking and quality certificate. This section applies to the brake, clutch, power steering, fuel into the oil, the engine, ventilation and cooling pipe system with double-roll welding Steel pipe, also applies to mechanical hydraulic piping systems and general engineering equipment used in double-rolled steel pipe (hereinafter referred to as "double pipe").

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 222 steel finished chemical composition tolerance Tensile testing of metallic materials - Part 1. Test methods at room temperature GB/T 241 metal tube hydraulic test method GB/T 242 metal pipe flaring test methods GB/T 244 metal tube bending test method GB/T 246 metal tube flattening test methods GB/T 682 chemical reagents chloroform GB/T 686 chemical reagent acetone GB/T 688 chemical carbon tetrachloride GB/T 2102 acceptance of steel pipe, packaging, marking and quality certificate GB/T 2975 steel and steel products mechanical properties test sampling location and sample preparation GB/T 7735-2016 seamless and welded (except submerged arc) automatic eddy current detection of steel pipe defects GB/T 34020.1 double rolled steel tubes - Part 1. tubes for refrigerator piping systems YB/T 069 copper pipe with welded steel

3 Terms and definitions

GB/T 34020.1 defined terms and definitions apply to this document.

4 classification and marking

4.1 double tube outer surface of the state and code in Table 1.

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