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YS/T 648-2019 English PDF

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YS/T 648-2019: (Copper beryllium alloy rod)
Status: Valid

YS/T 648: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 648-2019English259 Add to Cart 3 days [Need to translate] (Copper beryllium alloy rod) Valid YS/T 648-2019
YS/T 648-2007English479 Add to Cart 3 days [Need to translate] Copper-Tellurim alloys rod and bar Obsolete YS/T 648-2007

PDF similar to YS/T 648-2019


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Basic data

Standard ID YS/T 648-2019 (YS/T648-2019)
Description (Translated English) (Copper beryllium alloy rod)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H62
Classification of International Standard 77.150.30
Word Count Estimation 11,131
Date of Issue 2019
Date of Implementation 2020-01-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the technical requirements, test methods, inspection rules and markings, packaging, transportation, storage and quality certificates and purchase orders (or contracts) of copper-tellurium alloy rods. This standard applies to the round, square (momentary) used in the processing of precision electronic and electrical components, advanced electromechanical parts, forgings and thread cutting parts, plumbing fittings, electrical contact parts, plasma and laser cutting parts, automobile starters and switch parts. ), regular polygon copper-tellurium alloy rods.

YS/T 648-2007: Copper-Tellurim alloys rod and bar

---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.
Copper-Tellurim alloys rod and bar ICS 77.150.30 H62 People's Republic of China Nonferrous Metals Industry Standard Tellurium copper alloy rod Posted 2007-11-14 2008-05-01 implementation National Development and Reform Commission issued

Foreword

This standard was first formulated. This standard is carried out according to the needs of the development of domestic and foreign markets, the main technical parameters and technical reference content ASTMB249M. 2004 "General requirements for the processing of copper and copper alloy rod, bar, extrusions and forgings" and ASTMB301M.2004 "Cutting Copper Bars, Rods, lines And sections "and other standards. This standard specifies the copper alloy toxic, harmful elements Pb, Cd, As for content, in which Pb, Cd in line with the European Union (ROHS, WEEE) Directive on the lead content does not exceed 0.1% of cadmium content of not more than 0.01% of the requirements. Appendix A of this standard is a normative appendix. The Standard Appendix B, Appendix C is informative appendix. This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard by the Sichuan Xin Ju Mineral Resources Development Co., Ltd. is responsible for drafting. The main drafters of this standard. Hou Renyi, Luo hair, He Zhifei, Hou Liwei, Chen Zhao, Wang Dingchun. This standard by the National Standardization Technical Committee is responsible for interpretation of non-ferrous metals. Tellurium copper alloy rod

1 Scope

This standard specifies the tellurium alloy of copper rod product classifications, technical requirements, test methods, inspection rules, packaging, labeling, transportation and storage. This standard applies to high-performance circular aviation, aerospace, defense, communications, automation, electronics, electric power and other industries, square (rectangular) and Tellurium copper alloy hexagonal rods.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 228 metal materials at room temperature tensile test method GB/T 231.1 Brinell hardness test - Part 1. Test methods GB/T 351 metal material resistivity measurement method High-temperature thermal conductivity measurement method GB/T 3651 metal GB/T 5121 (all parts) of copper and copper alloys - GB/T 8888 heavy non-ferrous metal processing products, packaging, labeling, transportation and storage YS/T 336 copper, nickel and alloy pipe and bar fracture test method YS/T 482 copper and copper alloy analysis photoemission spectroscopy JJG117 flat test procedures

3 Product Categories

3.1 grades, status, specifications Product grades, status and specifications shall comply with the requirements of Table 1. Table 1 Product grades, status, specifications Grade diameter or shape state Margin/mm Length/mm QTe0.3 QTe0.5-0.008 Round, square (rectangular) shaped, hexagonal Shape shown in Figure 1 Y, Y2 5 ~ 60 500 ~ 5000 NOTE. By mutual agreement, the diameter or the margins are not larger than 10mm rod can into a disk (volume) supply, its length is not less than 4000mm. But also for its His standard bars. 3.2 tag example Products marked by order of the product name, grade, status, specifications and standards of numbered steps. Tag example as follows. Example 1. QTe0.3 manufacturing, semi-hard state, tellurium copper alloy having a diameter of 10mm circular rod marked as follows. Round bar QTe0.3Y2 10 YS/T 648-2007 Example 2. QTe0.5-0.008 manufacturing, hard state, the long side of 40mm, the short side of the rectangular copper tellurium alloy 25mm rods marked as follows. Rectangular bar QTe0.5-0.008Y 40 × 25 YS/T 648-2007 Example 3. QTe0.3 manufacturing, hard state, a side length of 60mm copper tellurium alloy square bar marked. Square bar QTe0.3Y 60 YS/T 648-2007 Example 4. QTe0.5-0.008 manufacturing, semi-hard state, on the margins of 20mm copper tellurium alloy hexagonal rods marked. Hexagonal rods QTe0.5-0.008Y2 20 YS/T 648-2007

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 648-2019 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.