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SN/T 1797.11-2008 English PDF

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SN/T 1797.11-2008: Technical regulation on safety and sanitation for inspection of iron ore. Part 11: The free-swelling index of pellets for quality evaluation
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
SN/T 1797.11-2008149 Add to Cart 2 days Technical regulation on safety and sanitation for inspection of iron ore. Part 11: The free-swelling index of pellets for quality evaluation Valid

Similar standards

GB/T 6730.1   GB/T 6730.10   SN/T 2262   SN/T 1797.12   SN/T 1797.1   SN/T 1797.10   

Basic data

Standard ID: SN/T 1797.11-2008 (SN/T1797.11-2008)
Description (Translated English): Technical regulation on safety and sanitation for inspection of iron ore. Part 11: The free-swelling index of pellets for quality evaluation
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: D31
Word Count Estimation: 5,544
Date of Issue: 2008-07-17
Date of Implementation: 2009-02-01
Quoted Standard: GB/T 10122; GB/T 10322.1; GB/T 13240; GB/T 20565; SN/T 1797.11; ISO 4698; ISO 10836
Regulation (derived from): National Quality Inspection [2008] No. 353
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export of pellets free swelling index (VFs) quality assessment grading standards. This standard applies to import pellets quality grading.

SN/T 1797.11-2008: Technical regulation on safety and sanitation for inspection of iron ore. Part 11: The free-swelling index of pellets for quality evaluation


---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.
Technical regulation on safety and sanitation for inspection of iron ore.Part 11. The free-swelling index of pellets for quality evaluation Exit inspection and quarantine industry standard book People's Republic of China Iron ore Health and Safety Inspection Technical Specifications Part 11. Evaluation of the quality of the free expansion coefficient pellets Posted 2008-07-17 2009-02-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 1797 "Safety of Health Laboratory technical specifications of iron ore" is divided into 12 parts. --- Part 1. manual sampling method; --- Part 2. Evaluation of total quality iron content; --- Part 3. Quality Assessment silicon content; --- Part 4. Quality Assessment of aluminum content; --- Part 5. Quality Assessment of loss on ignition; --- Part 6. Quality Evaluation of moisture content; --- Part 7. Quality evaluation of particle size distribution; --- Part 8. Evaluation of thermal cracking quality index; --- Part 9. Quality evaluation of mechanical strength; --- Part 10. Quality Assessment of the relative degree of reduction; --- Part 11. Evaluation of the quality of pellets free expansion coefficient; --- Part 12. Quality Assessment bulk density. This section SN/T Part of 111,797. This section proposed and managed by the National Certification and Accreditation Administration Committee. This section is drafted. Shandong Entry-Exit Inspection and Quarantine Tianjin. The main drafters of this section. Ding Shibing, Yue Chunlei, Wei Hongbing, Qu Xiaoxia, Zhang Jinxin, SONG Zhen dry, Sun Jian. The first part of the Department of Inspection and Quarantine issued by industry standards. Iron ore Health and Safety Inspection Technical Specifications Part 11. Evaluation of the quality of the free expansion coefficient pellets

1 Scope

This section provides grading Importers pellets free expansion coefficient (Vp FS) of the evaluation. This section applies to the import and export quality grade pellets.

2 Normative references

The following documents contain provisions which, through reference in this text, constitute provisions of this part. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this section, however, encourage the parties to this part of the research agreement Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this section. Sampling for physical testing specimens GB/T 10122 iron ore (sinter and pellets) and sample preparation methods GB/T 10322.1 iron ore sampling and sample preparation methods Determination of GB/T 13240 iron ore pellet expansion coefficient of relative freedom GB/T 20565 Iron ore and direct reduced iron term SN/T 1797.11 iron ore Health and Safety Inspection Technology Specification - Part 1. Sampling manual method ISO 4698 Determination of pellets free expansion coefficient Sampling and sample preparation methods ISO 10836 for physical testing samples

3 Terms and Definitions

GB/T 20565 and established the following terms and definitions apply to this section. 3.1 Without forcing conditions sinter pellet volume generated during the reduction increases. [GB/T 20565-2006, physical test 7.4.8] 3.2 Freedom to expansion (3.1), indicating that the percentage of pre-reduction and after reduction pellets volume increment.

4 sampling and sample preparation

According to GB/T 10322.1 or SN/T 1797.11, GB/T 10122 or ISO 10836 requirements, acquisition and preparation to meet the pellet Samples demand freedom ore expansion coefficient was measured.

5 measurement method

Determination of free expansion coefficient pellets using GB/T 13240 or ISO 4698. Grade 6 pellets free expansion coefficient Free expansion coefficient pellets Table 1 classification.
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