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GB/T 34471.2-2017 English PDF

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GB/T 34471.2-2017: Elastic alloys -- Part 2: Constant elastic alloys
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Basic data

Standard ID GB/T 34471.2-2017 (GB/T34471.2-2017)
Description (Translated English) Elastic alloys -- Part 2: Constant elastic alloys
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H58
Classification of International Standard 77.140.99
Word Count Estimation 22,211
Date of Issue 2017-10-14
Date of Implementation 2018-07-01
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 34471.2-2017: Elastic alloys -- Part 2: Constant elastic alloys

---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.
Elastic alloys - Part 2. Constant elastic alloys ICS 77.140.99 H58 National Standards of People's Republic of China Elastomeric alloys - Part 2. Elastomeric alloys Elasticaloys-Part 2. Constantelasticaloys 2017-10-14 Published 2018-07-01 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 classification and code 2 4 order content 3 5 size, shape, weight 3 6 mark 3 7 technical requirements 4 7.1 grade and chemical composition 4 7.2 smelting method 6 7.3 Delivery Status 6 7.4 Physical Properties 6 7.4.1 Physical properties of the alloy for frequency components 6 7.4.2 Physical properties of alloys for elastic elements 9 7.5 Mechanical Properties 9 7.6 Process Performance 10 7.7 Ultrasound testing 10 7.8 Surface Quality 10 7.9 Special Requirements 10 8 Test Methods 11 Inspection rules 12 9.1 Inspection and acceptance 12 9.2 group approval rules 12 9.3 Sampling location and number of samples 12 9.4 Reinspection and judgment rules 12 10 Packaging, storage, marking and quality certificate 12 Appendix A (Normative) Flexible and frequency performance testing methods 13 Appendix B (Normative) 3J60 alloy longitudinal vibration frequency performance test device and test method 15 Appendix C (Normative) Determination of 3J53Y alloy magnetic 18 Appendix D (informative) Alloy reference performance 19

Foreword

GB/T 34471 "flexible alloy" is divided into two parts. --- Part 1. Highly elastic alloy; --- Part 2. Constant elastic alloy. This section GB/T 34471 Part 2. This section drafted in accordance with the rules given GB/T 1.1-2009 standard. This part is proposed by China Iron and Steel Association. This part of the National Standardization Technical Committee Steel (SAC/TC183) centralized. This part of the drafting unit. Steel Research Institute, Northeast Special Steel Group Dalian Precision Alloy Co., Ltd., Baosteel Special Steel Co., Ltd., metallurgical Industry Information Standards Institute. The main drafters of this section. Zhang Jinglin, Yu Yipeng, Xu Xiaoping, Shen Yi, Yao Li Jiang, Zhang Jianfu, Yan Cheng Ming. Elastomeric alloys - Part 2. Elastomeric alloys

1 Scope

GB/T 34471 provisions of this part of the constant elastic alloy classification and code, order content, size, shape, marking, technical requirements, Test methods, inspection rules, packaging, storage and transportation, signs and quality certificates. This section applies to frequency and elastic sensitive components with a constant elastic alloy bar, sheet, wire and strip (hereinafter referred to as alloy).

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 222-2006 steel chemical composition of the allowable deviation GB/T 223.5 Steel - Determination of acid-soluble silicon and total silicon - Reduced molybdosilicate spectrophotometry GB/T 223.9 steel and alloy aluminum content - Determination of chromazurol S spectrophotometry GB/T 223.11 steel and alloy chromium content - Visual titration or potentiometric titration GB/T 223.19 Methods for chemical analysis of iron, steel and alloy The neocuproine-chloroform extraction spectrophotometric method for the determination of copper content GB/T 223.22 Methods for chemical analysis of iron, steel and alloy Nitroso R salt spectrophotometric method for the determination of cobalt content Methods for chemical analysis of iron, steel and alloy The dimethylglyoxime gravimetric method for the determination of nickel content Steel and alloy - Determination of molybdenum content - Thiocyanate spectrophotometric method Steel and alloy - Determination of tungsten content - Gravimetric and spectrophotometric methods GB/T 223.62 Methods for chemical analysis of iron, steel and alloy - The butyl acetate extraction spectrophotometric method for the determination of phosphorus content Iron and steel - Determination of manganese content - Flame atomic absorption spectrometric method GB/T 223.68 Methods for chemical analysis of iron, steel and alloy - The potassium iodate titration method after combustion in tube furnace for the determination of sulfur content GB/T 223.79 steel multi-element content determination by X-ray fluorescence spectrometry (conventional method) GB/T 223.86 steel and alloy carbon content - Determination of induction furnace combustion infrared absorption method GB/T 228.1 tensile testing of metallic materials - Part 1. room temperature test method GB/T 230.1 Metallic materials Rockwell hardness test Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T standard ruler) GB/T 238 metal wire bending test method GB/T 2970 steel plate ultrasonic testing methods GB/T 2975 steel and steel products mechanical properties test sampling location and sample preparation GB/T 2976 metal wire winding test method GB/T 4156 sheet metal and thin strip Eriksson Cup test Methods of ultrasonic testing of wrought steel bars GB/T 4339 Determination of thermal expansion characteristics of metallic materials GB/T 4340.1 Vickers hardness test of metallic materials - Part 1. Test methods GB/T 6394 metal average grain size determination method GB/T 8651 sheet metal ultrasonic testing methods

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