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GB/T 30896-2014 English PDF

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GB/T 30896-2014: Ferrovanadium nitride
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PDF similar to GB/T 30896-2014


Standard similar to GB/T 30896-2014

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Basic data

Standard ID GB/T 30896-2014 (GB/T30896-2014)
Description (Translated English) Ferrovanadium nitride
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H42
Classification of International Standard 77.100
Word Count Estimation 38,321
Date of Implementation 5/1/2015
Quoted Standard GB/T 3650; GB/T 4010; GB/T 6682; GB/T 8170; GB/T 13247; GB/T 20567
Regulation (derived from) People's Republic of China Announcement of Newly Approved National Standards 2014 No. 22
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 technical requirements for the general provisions of vanadium nitride iron, test methods, inspection rules, packaging, labeling, transportation, storage and quality certificates. This Standard applies to steel, cast as an alloy

GB/T 30896-2014: Ferrovanadium nitride

---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.
Ferrovanadium nitride ICS 77.100 H42 National Standards of People's Republic of China Ferrovanadium nitride Issued on. 2014-09-30 2015-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Technical requirements 1 4 Test Method 2 5 Inspection Rules 3 6 packaging, labeling, storage, transport and quality certificates 3 Appendix A (normative) ferrovanadium nitride vanadium content - The ammonium ferrous sulfate volumetric method 4 Appendix B (normative) ferrovanadium nitride nitrogen content of the inert gas fusion thermal conductivity measurement method 7 Annex C (normative) ferrovanadium nitride, carbon content - Infrared absorption method 11 Annex D (normative) vanadium nitride iron sulfur content infrared absorption method 14 Determination of Appendix E (normative) vanadium nitride iron phosphorus content of bismuth phosphorus molybdenum blue spectrophotometric method 17 Measured by inductively coupled plasma atomic Annex F (normative) ferrovanadium nitride, silicon, manganese, phosphorus, aluminum content Emission Spectrometry Annex G (informative) Determination of distillation vanadium nitride iron separation of nitrogen content - acid-base titration method 24 Appendix H (informative) ferrovanadium nitride oxygen content infrared absorption method 28 Annex I (normative) ferrovanadium nitride silicon content - sulfuric acid dehydration gravimetric method 32

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China Iron and Steel Association. This standard by the national pig iron and ferroalloy Standardization Technical Committee (SAC/TC318) centralized. This standard was drafted. Chengde, Hebei Iron and Steel Co., Ltd. subsidiary, De Jinke Cheng Technology Development Co., Ltd., Liaoning Xin industry New Materials Co., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Bairui Guo, Chen Donghui, Liuke Zhong, Tanguo Chen, Song Chengyan, high tree peak, Jin Cui heart, Song Xiaojun, Li Jiujiang, In into wisdom, Wang Zhaohui, Liu L, Li Dongming, Wu Chi-wai, Zhang Haiyan, Wu Ting, Liu Jing. Ferrovanadium nitride

1 Scope

This standard specifies the technical requirements vanadium nitride iron, test methods, inspection rules, packaging, labeling, transportation, storage and certification of a General provisions. This standard applies to steel, cast as an alloying additive to SHS and other technology, the vanadium nitride iron.

2 Normative references

The following documents for the application of this document is essential. For cited documents with dates, only the dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document. General provisions GB/T 3650 inspection, packing, storage and transportation, marking and certification of GB/T 4010 alloy chemical analysis and preparation of samples Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 8170 Revised figures indicate about the rules and limit values \u200b\u200band judgment Sampling and testing methods GB/T 13247 ferroalloy product particle size GB/T 20567 vanadium nitride

3 Technical requirements

3.1 Grades and chemical composition 3.1.1 different vanadium iron vanadium nitride, nitrogen and impurities is divided into six grades, chemical composition shall comply with the requirements in Table 1. Table 1 Grades and chemical composition Trademark Chemical composition (mass fraction) /% VN C Si PS Al Mn VN ratio (N/V) FeV45N10-A 43.0 ~ 47.0 9.0 ~ 12.0 0.50 3.00 0.09 0.05 2.50 - FeV45N10-B 43.0 ~ 47.0 9.0 ~ 12.0 3.00 2.50 0.10 0.06 2.00 - FeV55N11-A 53.0 ~ 57.0 10.0 ~ 13.0 0.50 2.50 0.07 0.05 2.00 - FeV55N11-B 53.0 ~ 57.0 10.0 ~ 13.0 3.00 2.50 0.08 0.06 2.00 - FeV65N13-A 63.0 ~ 67.0 11.0 ~ 15.0 0.40 1.50 0.06 0.05 2.00 0.50 FeV65N13-B 63.0 ~ 67.0 11.0 ~ 15.0 3.00 1.50 0.08 0.06 2.00 0.50 0.2 Note 1. VN ratio is the mass ratio. Note 2. the balance being Fe. 3.1.2 For parties have requested, the supplier shall provide the oxygen content of the test results.

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