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YS/T 39-2020 English PDF

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YS/T 39-2020: (Xenon lamp tungsten anode)
Status: Valid

YS/T 39: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 39-2020English219 Add to Cart 3 days [Need to translate] (Xenon lamp tungsten anode) Valid YS/T 39-2020
YS/T 39-2007English319 Add to Cart 3 days [Need to translate] Tungsten anodes for xenon lamps Obsolete YS/T 39-2007
YS/T 39-1992English239 Add to Cart 2 days [Need to translate] (Xenon tungsten anode) Obsolete YS/T 39-1992

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Basic data

Standard ID YS/T 39-2020 (YS/T39-2020)
Description (Translated English) (Xenon lamp tungsten anode)
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H72
Word Count Estimation 10,137
Date of Issue 2020-12-09
Date of Implementation 2021-04-01
Older Standard (superseded by this standard) YS/T 39-2007
Regulation (derived from) Ministry of Industry and Information Technology Announcement No. 48 (2020)
Issuing agency(ies) Ministry of Industry and Information Technology

YS/T 39-2007: Tungsten anodes for xenon lamps

---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.
Tungsten anodes for xenon lamps ICS 77.160 H72 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 39-1992 Xenon lamps tungsten anode Posted 2007-11-14 2008-05-01 implementation National Development and Reform Commission issued

Foreword

This standard is YS/T 39-1992 "xenon lamps tungsten anode" amendments. Compared with this standard YS/T 39-1992, the main changes are as follows. --- Revised specifications and models representation rules; --- Revised product model specifications, density testing requirements; --- Specifies the number of slots requirements of the product; --- An increase of some geometry requirements; --- Increase the size tolerance requirements; --- Increased the order contract requirements. This standard by the National Standardization Technical Committee of non-ferrous metals and centralized. This standard by the National Standardization Technical Committee is responsible for interpretation of non-ferrous metals. This standard by Zhuzhou Cemented Carbide Group Co., Ltd. is responsible for drafting. The main drafters of this standard. Li Xianping, Rong Bin, Liu Tiemei, Yang Jianguo, Zhangjiang Feng. This standard replaces the standards previously issued as follows. --- YS/T 39-1992. Xenon lamps tungsten anode

1 Scope

This standard specifies the xenon lamps tungsten anode requirements, test methods, inspection rules, marking, packaging, transportation, storage, and content of the contract. This standard applies to powder metallurgy Preparation of xenon lamps tungsten anode.

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 3850 compact sintered metal materials and hardmetals - Determination of density GB/T 4324 (all parts), chemical analysis of tungsten

3 Requirements

3.1 Categories 3.1.1 different operating power, xenon lamps tungsten anode divided 1.6kW, 2kW, 3kW, 4kW, 5kW, 7kW total of six specifications. 3.1.2 Connection by using different xenon lamps tungsten anode is divided into K-type B and type two. 3.2 Chemical composition Impurity content of the product shall comply with the requirements in Table 1. The tungsten content is determined by the impurity reduction method. Table 1% Impurity element name is not greater than the mass fraction of impurities is not greater than the mass fraction of the element name Al 0.002 Mo 0.008 As 0.002 Ni 0.002 Bi 0.0001 0 0.002 C 0.003 P 0.001 Ca 0.003 Pb 0.0001 Co 0.002 Sb 0.001 Cu 0.0005 Sn 0.0002 Fe 0.003 Si 0.002 Mg 0.0015 Ti 0.002 Mn 0.001 V 0.002 3.3 models, specifications and dimensions K-type product specifications and dimensions shall conform to Figure 1 and Table 2; B-type product specifications and dimensions shall comply with Figure 2 and Table 3 Provisions.

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Question 5: Should I purchase the latest version YS/T 39-2020?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YS/T 39-2020 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.