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GB/T 24244-2009 English PDF

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GB/T 24244-2009: Iron oxide for ferrite
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PDF similar to GB/T 24244-2009


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Basic data

Standard ID GB/T 24244-2009 (GB/T24244-2009)
Description (Translated English) Iron oxide for ferrite
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H54
Classification of International Standard 77.160
Word Count Estimation 12,191
Date of Issue 2009-07-15
Date of Implementation 2010-04-01
Regulation (derived from) National Standard Approval Announcement 2009 No.9 (Total No.149)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the ferrite iron oxide (hereinafter referred to as iron oxide) Classification and code, technical requirements, test methods, inspection rules, packaging, signs, transport, storage and quality certificate. This standard applies to iron ferrous chloride spray roasting made (FezO3). Also applies to ferrous sulfate method, carbonate thermal decomposition and other methods to obtain iron oxide. This material is mainly used for the production of ferrite elements, but also for other industrial uses.

GB/T 24244-2009: Iron oxide for ferrite

---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.
Iron oxide for ferrite ICS 77.160 H54 National Standards of People's Republic of China Ferrite Iron Oxide Posted 2009-07-15 2010-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Annexes A and B are normative appendix. The standard proposed by China Iron and Steel Association. This standard by the National Standardization Technical Committee of pig iron and ferroalloy. This standard is drafted by. Baoshan Iron & Steel Co., Ltd. Participated in the drafting of this standard. Metallurgical Industry Information Standards Institute, Anshan Iron and Steel Co., Ltd., Guangdong Fenghua Advanced Technology Co. Shares The company, Shanghai Baosteel Tiantong Magnetic Industry Co., Ltd. The main drafters of this standard. at a peak, Li Yuguang, Fan Zhigang, Shenlian flat, painted woods, Zhang Rui Hong, Chen Nong, Hu Chun Yuan, Xuhui Yu. Ferrite Iron Oxide

1 Scope

This standard specifies the classification and designation, the technical requirements for ferrite iron oxide (hereinafter referred to as iron oxide), inspection methods, inspection rules, package Equipment, labeling, transport, storage and quality certificate. This standard applies to ferrous iron chloride spray roasting made (Fe2O3). Also applies to ferrous sulfate, carbonate heat Decomposition and other methods to obtain iron oxide. This material is mainly used in the production of ferrite components, but also as other industrial uses.

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. Determination of GB/T 5060 metal powder bulk density Part II. Scott capacity meter method GB /Determination of solid material surface area BET gas absorption method T 19587 YB/T 081 value metallurgical technical standards and testing for rounding value determination principles HG/T 2574-1994 industrial iron ASTMB330 measuring metal powders and related compounds Fischer number Standard Test Method

3 grades representation

Iron oxide grades by the Chinese Phonetic Alphabet "YangHuaTie" first letter "YHT" and specified performance levels Arabia Digital composition of two parts. Example. YHT1 YHT- iron pinyin "YangHuaTie" the first letter; 1- predetermined performance levels of iron oxide. 4. Technical Requirements 4.1 Chemical composition 4.1.1 The chemical composition of various grades of iron should meet the requirements in Table 1. Table 1% project Indicator (mass fraction) YHT1 YHT2 YHT3 YHT4 YHT5 Iron oxide (Fe2O3) is not less than 99.40 99.20 99.00 98.50 98.00 Silicon dioxide (SiO2) of not more than 0.008 0.010 0.015 0.030 0.040 Calcium oxide (CaO) is not greater than 0.010 0.015 0.020 0.030 0.040 Aluminum oxide (Al2O3) is not greater than 0.008 0.010 0.020 0.040 0.080 Manganese oxide (of MnO) is not larger than 0.30 0.30 0.30 0.30 0.40 Sulfate (SO42- count) is not greater than 0.05 0.10 0.15 0.15 0.20 Chloride (Cl-) is not greater than 0.10 0.15 0.15 0.20 0.25

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