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YS/T 256-2009 English PDF

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YS/T 256-2009: Cobalt oxide

YS/T 256: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YS/T 256-2009English209 Add to Cart 3 days [Need to translate] Cobalt oxide   YS/T 256-2009
YS/T 256-2000English799 Add to Cart 5 days [Need to translate] Cobalt oxide Obsolete YS/T 256-2000
YS/T 256-1994EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard) Obsolete YS/T 256-1994

PDF similar to YS/T 256-2009


Standard similar to YS/T 256-2009

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Basic data

Standard ID YS/T 256-2009 (YS/T256-2009)
Description (Translated English) Cobalt oxide
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H62
Classification of International Standard 77.150.70
Word Count Estimation 6,661
Date of Issue 2009-12-04
Date of Implementation 2010-06-01
Older Standard (superseded by this standard) YS/T 256-2000
Quoted Standard GB/T 1250; GB/T 5060; GB/T 8170; YS/T 710
Regulation (derived from) MIIT [2009] No. 66
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the requirements for cobalt oxide, test methods, inspection rules and signs, packaging, transportation and storage. This standard applies for the production of hard alloy, magnetic materials, glass and enamel, ceramic pigment, glaze and other uses of cobalt oxide.

YS/T 256-2009: Cobalt oxide

---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.
Cobalt oxide ICS 77.150.70 H62 People's Republic of China Nonferrous Metals Industry Standard Replacing YS/T 256-2000 Cobalt oxide 2009-12-04 released 2010-06-01 Implementation Issued by the Ministry of Industry and Information Technology of the People's Republic of China

Foreword

This standard replaces YS/T 256-2000 "cobalt oxide". Compared with YS/T 256-2000, this standard has the following changes. - Added Chapter 2 "Normative references"; --- modified the determination of loose density. This standard provides loose bulk density according to GB/T 5060 "metal powder bulk density measurement Fixed Scott function meter "; --- the group batch method has been adjusted; - adjust Chapter 2 "Order (or Contract)" to Chapter 7; --- Removed the standard appendix. This standard by the National Nonferrous Metals Standardization Technical Committee proposed and centralized. This standard is drafted by Zhuzhou Smelting Group Co., Ltd. The main drafters of this standard. Tan Yiwen, Fan Yuanjun, Li Guobao, Li Zhiping, Wang Wenlu. This standard replaced the previous version of the standard release. YS/T 256-2000, YS/T 256-1994. Cobalt oxide

1 Scope

This standard specifies the requirements of cobalt oxide, test methods, inspection rules and signs, packaging, transportation, storage. This standard applies to the production of cemented carbide, magnetic materials, glass and enamel, ceramic Yan, glaze and other uses of cobalt oxide.

2 normative reference documents

The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all (Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard. The Method and Method of Determining the Limit Value of GB/T 1250 GB/T 5060 Determination of bulk density of metallic powders - Scott 's capacity meter method GB/T 8170 numerical revision rule YS/T 710 (all parts) Chemical analysis of cobalt oxide

3 request

3.1 Product Classification Cobalt oxide is divided into two categories according to its main purpose (Y, T), each class by chemical composition is divided into three grades, see Table 1. Table 1 Type of cobalt oxide, grade and main purpose Category Grade Main use Y0 Y1 Y2 Used in the manufacture of cemented carbide, magnetic materials T0 T1 T2 Used in the manufacture of glass with enamel, ceramic, and glaze 3.2 Chemical composition The chemical composition of cobalt oxide shall comply with the provisions of Table 2. Table 2 chemical composition/% Co content, not less than Impurity content, no more than Ni Fe Ca Mn Na Cu Mg Zn Si Pb Cd As S Y0 70.0 0.05 0.01 0.008 0.008 0.004 0.008 0.01 0.005 0.01 0.002 - 0.005 0.01 Y1 70.0 0.1 0.04 0.01 0.01 0.008 0.01 0.02 0.005 0.02 0.005 - 0.01 0.01 Y2 70.0 0.1 0.05 0.018 0.015 0.015 0.05 0.03 0.01 0.03 0.005 - 0.01 0.05 T0 72.0 0.2 0.2 - 0.04 - 0.04 - 0.01 - 0.005 0.003 0.003 - T1 72.0 0.3 0.3 - 0.05 - 0.1 - 0.05 - 0.005 0.005 0.005 - T2 70.0 0.3 0.4 - 0.05 - 0.2 - 0.10 - 0.006 0.006 0.005 -

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