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YB/T 051-2023 English PDF

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YB/T 051-2023: (Electrolytic manganese metal)
Status: Valid

YB/T 051: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YB/T 051-2023English359 Add to Cart 4 days [Need to translate] (Electrolytic manganese metal) Valid YB/T 051-2023
YB/T 051-2015English639 Add to Cart 3 days [Need to translate] Electrolytic manganese metal Obsolete YB/T 051-2015
YB/T 051-2003English319 Add to Cart 3 days [Need to translate] Electrolytic manganese metal Obsolete YB/T 051-2003
YB/T 051-1993English199 Add to Cart 2 days [Need to translate] Electrolytic manganese matal Obsolete YB/T 051-1993

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Standard similar to YB/T 051-2023

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Basic data

Standard ID YB/T 051-2023 (YB/T051-2023)
Description (Translated English) (Electrolytic manganese metal)
Sector / Industry Ferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard H42
Classification of International Standard 77.100
Word Count Estimation 16,128
Date of Issue 2023-12-20
Date of Implementation 2024-07-01
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This standard specifies the electrolytic manganese metal grade representation method, technical requirements, test methods, inspection rules, packaging, storage and transportation, marking and quality certificates. This standard applies to electrolytic manganese metal used as manganese additives in the smelting of special steels, chemicals, electronic materials and non-ferrous alloys.

YB/T 051-2003: Electrolytic manganese metal

---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.
Electrolytic manganese metal ICS 77.100 H42 Black metallurgical industry standard Replace YB/T 051-1993 Electrolytic manganese Released on.2003-03-18 2003-06-01 implementation The National Economic and Trade Commission of the People's Republic of China

Foreword

This standard replaces GB/T 051-1993 "electrolytic manganese metal". The main changes in this standard compared with YB/T 051-1993 are as follows. --- The scope of application has increased the "chemical, electronic materials" industry; --- Reference documents are using the current national standards; ---The brand and chemical composition have been greatly modified, cancel the DJMn99.5 grade; include DJMnA, DJMnB, DJMnC3 new cards No.; adjust the chemical composition of two grades of DJMn99.8 and DJMn99.7 in the original standard; --- Increase the chemical composition analysis method of Se (≤0.0010%); ---Add woven bag packaging; --- Cancel the Appendix A of the original standard; --- Increase the informative appendix "potassium periodate catalytic polarography for the determination of trace selenium" (see Appendix A). Appendix A of this standard is an informative annex. This standard was proposed by the China Iron and Steel Association. This standard is under the jurisdiction of the Metallurgical Industry Information Standards Institute. This standard was drafted. National Manganese Industry Technical Committee, Zunyi Xindi Manganese Industry Co., Ltd., Guangxi Manganese Manganese Industry Co., Ltd., Zunyi Tian Magnetic Manganese Industry Co., Ltd., Metallurgical Industry Information Standards Institute. The main drafters of this standard. Feng Ziyong, Liu Zhengyuan, Li Weijian, Qing Wen, Zhang Ruixiang. The previous versions of the standards replaced by this standard are. ---GB/T 3418-1982, YB/T 051-1993. Electrolytic manganese

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, packaging, storage and transportation, signs and quality certificates for electrolytic manganese metal. This standard is applicable to electrolytic manganese metal used for smelting special steel, chemical, electronic materials and non-ferrous metal alloys as manganese element additives.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard. General provisions for GB/T 3650 ferroalloy acceptance, packaging, storage and transportation, marking and quality certificates Preparation and preparation of GB/T 4010 ferroalloy chemical analysis sample GB/T 8654.1 Chemical analysis of manganese - Determination of iron content by phenanthroline photometric method GB/T 8654.3 Metallic manganese chemical analysis method - Determination of silicon content by molybdenum blue GB/T 8654.5 Metallic manganese chemical analysis method GB/T 8654.6 Metallic manganese chemical analysis method - Determination of selenium content by hydrazine hydrochloride-iodine method GB/T 8654.8 Metallic manganese chemical analysis method - Determination of carbon content by infrared absorption method GB/T 8654.10 Metallic manganese chemical analysis method - Determination of sulfur content by infrared absorption method GB/T 8654.11 Metallic manganese chemical analysis method - Determination of sulfur content by combustion neutralization titration

3 brand representation

The grade of electrolytic manganese metal is represented by the Chinese phonetic alphabet (DJ) representing the electrolytic manganese metal, the main element Mn, and the quality grade symbol (A, B, C, D). The three parts are arranged in order. Example. DJMnA among them. DJ---The first letter of the Chinese word "electrolysis" of electrolytic manganese metal; Mn---the main element of electrolytic manganese metal; A---Quality level symbol.

4 Technical requirements

4.1 Grades and chemical composition 4.1.1 Electrolytic manganese metal is divided into 4 grades according to the content of manganese and impurities, and its chemical composition should meet the requirements of Table 1. Table 1 Grades and chemical compositions of electrolytic manganese metal Brand Chemical composition (mass fraction) /% Mn C S P Si Se Fe Not less than not greater than DJMnA 99.95 0.01 0.03 0.001 0.002 0.0003 0.006 DJMnB 99.9 0.02 0.04 0.002 0.004 0.001 0.01

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