BS ISO 11257:2015 – TC:2020 Edition
$134.27
Tracked Changes. Iron ores for shaft direct-reduction feedstocks. Determination of the low-temperature reduction-disintegration index and degree of metallization
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 38 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 24 | Foreword |
| 25 | Introduction |
| 27 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle |
| 28 | 5 Sampling, sample preparation, and preparation of test portions 5.1 Sampling and sample preparation 5.2 Preparation of test portion 6 Apparatus 6.1 General |
| 29 | 7 Test conditions 7.1 General 7.2 Reducing gas 7.2.1 Composition 7.2.2 Purity 7.2.3 Flow rate 7.3 Heating and cooling gas 7.4 Temperature of the test portion |
| 30 | 8 Procedure 8.1 Number of determinations for the test 8.2 Reduction 8.3 Sieving 8.4 Chemical analysis |
| 31 | 9 Expression of results 9.1 Calculation of the reduction-disintegration index (RDIDR) 9.2 Calculation of the degree of metallization (M) 9.3 Repeatability and acceptance of test results |
| 32 | 10 Test report 11 Verification |
| 34 | Annex A (normative) Flowsheet of the procedure for the acceptance of test results |
| 35 | Bibliography |
