YS/T 259-2012 English PDF

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YS/T 259-2012: Tantalum powders for metallurgy
Status: Valid

YS/T 259: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
YS/T 259-2012	189	Add to Cart	3 days	Tantalum powders for metallurgy	Valid
YS/T 259-1996	239	Add to Cart	2 days	Tantalum powders for metallurgy	Obsolete
YS/T 259-1994	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

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Basic data

Standard ID: YS/T 259-2012 (YS/T259-2012)
Description (Translated English): Tantalum powders for metallurgy
Sector / Industry: Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard: H71
Classification of International Standard: 77.160
Word Count Estimation: 7,761
Older Standard (superseded by this standard): YS/T 259-1996
Quoted Standard: GB/T 1479; GB/T 1480; GB/T 3249; GB/T 5314; GB/T 15076.1; GB/T 15076.2; GB/T 15076.3; GB/T 15076.4; GB/T 15076.5; GB/T 15076.6; GB/T 15076.7; GB/T 15076.8; GB/T 15076.9; GB/T 15076.10; GB/T 15076.11; GB/T 15076.12; GB/T 15076.13; GB/T 15076.14; GB/T 15076
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2012 No. 20; industry standard filing Notice 2012 No. 10 (No. 154 overall)
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the use of tantalum powder metallurgical requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificates, contracts (or orders) and so on. This standard applies to the legal system o

YS/T 259-2012: Tantalum powders for metallurgy

---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.
Tantalum powders for metallurgy ICS 77.160 H71 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 259-1996 Tantalum powder metallurgy Issued on. 2012-05-24 2012-11-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard is in accordance with GB/T 1.1-2009 given rules drafted. Instead of the standard YS/T 259-1996 "tantalum powder metallurgy." This standard YS/T 259-1996 compared to the main changes are as follows. --- This standard FTa-1 designation new grades; --- This standard FTa-2, FTa-3 and FTa-4 grades, respectively, in the original standard FTa-01, FTa-1 and FTa-2 grades; --- The chemical composition has been adjusted, and an increase in P, Sn, Ca, Al, Mg, Cu content requirements; --- Physical properties has been adjusted, the provisions of the bulk density requirements; increased the fee's average particle size requirements; on the size composition of Adjusted. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized. This standard was drafted. Ningxia Orient Tantalum Industry Co., Ltd., Zhaoqing and more rare metals Dorasan Sapphire Limited, Zhuzhou hard alloy Group Limited. The main drafters of this standard. package Xi Fang, Cheng Yuewei, Zhoushun Gang, Zhang Jing, Mayue Zhong, Tao Zhi, Cao Qilin, Wu Zun, and Xuai Dong. This standard replaces the standards previously issued as follows. --- GB/T 6895-1986; --- YS/T 259-1994; --- YS/T 259-1996. Tantalum powder metallurgy

1 Scope

This standard specifies the use of tantalum powder metallurgical requirements, test methods, inspection rules and signs, packaging, transportation, storage, quality certificates, contracts (Or orders) and so on. This standard applies to the legal system of tantalum powder metallurgy products are mainly used as alloying additives and tantalum processing materials and other raw materials.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Determination of GB/T 1479 metal powder bulk density - Part 1. funnel method GB/T 1480 Determination of particle size metal powder dry sieving Determination of GB/T 3249 Fisher metal compound powder and particle size GB/T 5314 sampling method powder metallurgy GB/T 15076 (all parts), chemical analysis of tantalum and niobium

3 Requirements

3.1 Categories Products according to the chemical composition and physical properties, divided into FTa-1, FTa-2, FTa-3, FTa-4, FTaNb-3 and FTaNb-20 6 Grades. 3.2 Chemical composition Chemical composition of the product shall comply with the requirements in Table 1. Table 1 mass fraction /% Grade FTa-1 FTa-2 FTa-3 FTa-4 FTaNb-3 FTaNb-20 Main content Ta, not less than 99.95 99.95 99.93 99.5 - - Nb - - - - 2.5 ~ 3.5 17 ~ 23 Impurity content, no greater than H 0.003 0.003 0.005 0.01 0.01 0.01 O 0.15 0.18 0.20 0.30 0.30 0.30 C 0.005 0.008 0.015 0.02 0.05 0.05 N 0.005 0.015 0.015 0.045 0.02 0.02 Fe 0.003 0.005 0.005 0.02 0.03 0.03 Ni 0.003 0.005 0.005 0.02 0.02 0.02 Cr 0.003 0.003 0.005 0.02 - - ......

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