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YS/T 258-2011 PDF English

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YS/T 258-2011: Niobium powder for metallurgym powder for metallurgy
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YS/T 258: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
YS/T 258-2011English189 Add to Cart 3 days [Need to translate] Niobium powder for metallurgym powder for metallurgy
YS/T 258-1996English239 Add to Cart 2 days [Need to translate] Niobium powders for metallurgy
YS/T 258-1994EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard)

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Basic data

Standard ID YS/T 258-2011 (YS/T258-2011)
Description (Translated English) Niobium powder for metallurgym powder for metallurgy
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H71
Classification of International Standard 77.160
Word Count Estimation 7,723
Date of Issue 2011-12-20
Date of Implementation 2012-07-01
Older Standard (superseded by this standard) YS/T 258-1996
Quoted Standard GB/T 1480; 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 15076.15; GB/T 15076.16
Regulation (derived from) ?MIIT Announcement 2011 No.43
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the requirements for niobium powder metallurgy, test methods, inspection rules and signs, packaging, transport, storage, quality certificates and contracts (or purchase orders) content. This standard applies to the legal system of the niobium powder metallurgy products are mainly for raw materials and production welding and other purposes.

YS/T 258-2011: Niobium powder for metallurgym powder 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.
Niobium powder for metallurgym powder for metallurgy ICS 77.160 H71 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 258-1996 Metallized niobium powder 2011-12-20 release 2012-07-01 Implementation Issued by the Ministry of Industry and Information Technology of the People's Republic of China

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces YS/T 258-1996 "metallurgical niobium powder". Compared with YS/T 258-1996, the main changes are as follows. --- increased FNb-0 grades; --- FNb-1 grades increase the chemical composition requirements of Ta Nb, Ca, Sn, Al, Mg, P, S; FNb-2 grades increase Ta Nb, Cr, Ca, Sn, Al, Mg, P, S; FNb-3 grades increase Ta, N, Fe, Si, Ni, Cr, W, Mo, Ti, Mn, Cu, Ca, Sn, Al, Mg chemical composition requirements. This standard is proposed by the National Committee for Standardization of Nonferrous Metals (SAC/TC243). The drafting unit. Ningxia Dongfang Tantalum Industry Co., Ltd., Zhuzhou Cemented Carbide Group Co., Ltd. The main drafters of this standard. Wang Zhong, Huo Hongfeng, Jie Weiping, Wang Fei. This standard replaced the previous version of the standard release. YS/T 258-1996, YS/T 258-1994. Metallized niobium powder

1 Scope

This standard specifies the requirements, test methods, inspection rules and marking, packaging, transportation, storage, quality certificates and contracts for metallurgical niobium powder (Or order) content. This standard applies to the powder metallurgy system made of niobium powder, the main products for raw materials processing and production of welding and so on.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 1480 Determination of particle size composition of metallic powders - Dry sieving method Sampling method of powder for powder metallurgy GB/T GB/T 15076 (all parts) Methods for chemical analysis of tantalum and niobium

3 request

3.1 Product Classification Products are divided into FNb-0, FNb-1, FNb-2 and FNb-3 four grades. 3.2 Chemical composition The chemical composition of the product shall comply with the provisions of Table 1. Table 1 % Grade FNb-0 FNb-1 FNb-2 FNb-3 chemical composition Nb Ta, not less than 99.8 99.5 99.5 98.0 Impurity content, no greater than Ta 0.20 0.20 0.50 1.0 O 0.15 0.20 0.20 0.50 H 0.005 0.005 0.005 0.01 N 0.02 0.04 0.06 0.10 C 0.05 0.05 0.05 0.08 Fe 0.01 0.01 0.05 0.08 Si 0.005 0.005 0.01 0.02 Ni 0.005 0.005 0.005 0.01 Cr 0.005 0.005 0.07 0.01 W 0.005 0.005 0.01 0.03 ...

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