YS/T 659: Evolution and historical versions
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| YS/T 659-2024 | English | RFQ |
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(Tungsten and tungsten alloy processing product grades and chemical composition)
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YS/T 659-2024
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| YS/T 659-2007 | English | 239 |
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Designation and composition of tungsten and tungsten alloy wrought product
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YS/T 659-2007
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Basic data | Standard ID | YS/T 659-2024 (YS/T659-2024) | | Description (Translated English) | (Tungsten and tungsten alloy processing product grades and chemical composition) | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H63 | | Classification of International Standard | 77.120.99 | | Date of Issue | 2024-10-24 | | Date of Implementation | 2025-05-01 | | Older Standard (superseded by this standard) | YS/T 659-2007 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the brand naming rules, brand and chemical composition, chemical composition analysis and analysis report of tungsten and tungsten alloy processed products. This standard is applicable to various tungsten and tungsten alloy products processed by powder metallurgy and pressure processing. | YS/T 659-2007: Designation and composition of tungsten and tungsten alloy wrought product---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.
Designation and composition of tungsten and tungsten alloy wrought product
ICS 77.120
H63
People's Republic of China Nonferrous Metals Industry Standard
Tungsten and tungsten alloy grades and chemical composition of processed products
Posted 2007-11-14
2008-05-01 implementation
National Development and Reform Commission issued
Foreword
Appendix A of this standard is the data appendix.
This standard by the National Standardization Technical Committee of non-ferrous metals and centralized.
This standard by the Baoji Titanium Group Co., Ltd. is responsible for drafting.
The main drafters. Zhang Pinghui, Cuiyao Guo, Wang Dingchun, Huang Yongguang, Lixian Jun, Fengjun Ning.
This standard by the National Standardization Technical Committee is responsible for interpretation of non-ferrous metals.
Tungsten and tungsten alloy grades and chemical composition of processed products
1 Scope
This standard specifies grades, chemical composition and chemical composition of tungsten and tungsten alloy processing product analysis requirements.
This standard applies to all kinds of pressure processing and metallurgy of tungsten and tungsten alloy products (including sintered blank).
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 4324 (all parts), chemical analysis of tungsten
GB/T 8170 numerical rounding rules
3 grades naming rules
3.1 W with pure tungsten grades plus Arabic numerals, Arabic numerals which the chemical composition of classification.
3.2 doped silicon, aluminum, potassium tungsten grades in WAl plus Arabic numerals, Arabic numerals which indicate the different high-temperature properties.
3.3 W tungsten alloy grades to add alloying element symbols and Arabic numerals, Arabic numerals which content of alloying elements (mass
fraction).
4 Grades and chemical composition
4.1 Grades and chemical composition of tungsten and tungsten alloy products should meet the requirements in Table 1.
4.2 When the demand side, the chemical composition of some grades have special requirements, shall be determined by mutual agreement.
Table 1%
Trademark
Principal Component (mass fraction) of impurity elements (mass fraction), not more than
W Ce Th Re Al Ca Fe Mg Mo Ni Si C N O
W1 Balance - - - 0.0020.0030.0050.0020.0100.0030.0030.0050.0030.005
W2 Balance - - - 0.0040.0030.0050.0020.0100.0030.0050.0080.0030.008
WAl1,
WAl2
Balance - - - - 0.0050.0050.0050.0100.005 - 0.0050.003 -
WCe0.8 margin
0.65 ~
0.98
- - - 0.0050.0050.0050.0100.0030.0050.0100.003 -
WCe1.1 margin
1.06 ~
1.38
- - - 0.0050.0050.0050.0100.0030.0050.0100.003 -
WCe1.6 margin
1.47 ~
1.79
- - - 0.0050.0050.0050.0100.0030.0050.0100.003 -
WCe2.4 margin
2.28 ~
2.60
- - - 0.0050.0050.0050.0100.0030.0050.0100.003 -
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