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SN/T 1797.8-2008: Technical regulation on safety and sanitation for inspection of iron ore. Part 8: Decrepitation index for quality evaluation
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| SN/T 1797.8-2008 | English | 149 |
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Technical regulation on safety and sanitation for inspection of iron ore. Part 8: Decrepitation index for quality evaluation
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SN/T 1797.8-2008
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Basic data | Standard ID | SN/T 1797.8-2008 (SN/T1797.8-2008) | | Description (Translated English) | Technical regulation on safety and sanitation for inspection of iron ore. Part 8: Decrepitation index for quality evaluation | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | D31 | | Word Count Estimation | 5,594 | | Date of Issue | 2008-07-17 | | Date of Implementation | 2009-02-01 | | Quoted Standard | GB/T 10322.1; GB/T 10322.6; GB/T 20565; SN/T 1797.1; ISO 8371 | | 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 iron ore in the thermal cracking quality evaluation index grading standards. This standard applies to export iron ore. | SN/T 1797.8-2008: Technical regulation on safety and sanitation for inspection of iron ore. Part 8: Decrepitation index for quality evaluation
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Technical regulation on safety and sanitation for inspection of iron ore.Part 8. Decrepitation index for quality evaluation
Exit inspection and quarantine industry standard book People's Republic of China
Iron ore Health and Safety Inspection Technical Specifications
Part 8. Quality Evaluation of thermal cracking index
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 Section 81797 of.
This section proposed and managed by the National Certification and Accreditation Administration Committee.
This section is drafted. Shandong Entry-Exit Inspection and Quarantine Tianjin, Guangdong CIQ.
The main drafters of this section. Yue Chunlei, Song Wu Yuan, Ding Shibing, Wei Hongbing, Qu Xiaoxia, Zhang Jinxin, Zheng Jianguo, Zhou Zhongxin, Huang Wenxian.
The first part of the Department of Inspection and Quarantine issued by industry standards.
Iron ore Health and Safety Inspection Technical Specifications
Part 8. Quality Evaluation of thermal cracking index
1 Scope
This section provides grading standards of quality evaluation and export of iron ore in the thermal cracking index.
This section applies to the import and export of iron ore lumps.
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.
GB/T 10322.1 iron ore sampling and sample preparation methods
Determination of GB/T 10322.6 iron ore thermal cracking index
GB/T 20565 Iron ore and direct reduced iron term
SN/T 1797.1 iron ore Health and Safety Inspection Technology Specification - Part 1. Sampling manual method
ISO 8371 Determination of iron ore thermal cracking index
3 Terms and Definitions
GB/T 20565 and established the following terms and definitions apply to this section.
3.1
Reflecting the thermal cracking of parameters to heat treatment after the particle size of the test sample -6.3mm mass fraction representation.
[GB/T 20565-2006, physical test 7.4.1 Note]
4 Take peaceful sample preparation
According to GB/T 10322.1 or SN/T 1797.1 requirements for sampling, in accordance with GB T 10322.6, ISO 8371 requirements/in
Sample preparation.
5 measurement method
Determination of iron ore by thermal cracking index GB/T 10322.6 or ISO 8371 carried out.
6 ore grade thermal cracking index
Iron ore, thermal cracking Index classification according to Table 1.
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