GB/T 30897-2014 in English

《GB/T 30897-2014烧结用磁选渣钢粉》由TC183（全国钢标准化技术委员会）归口，TC183SC18（全国钢标准化技术委员会冶金固废资源分会）执行，主管部门为中国钢铁工业协会。
本标准规定了烧结用磁选渣钢粉的术语和定义、技术要求、试验方法、检验规则、贮存、运输和质量证明书。
本标准适用于烧结原料用的磁选渣钢粉。

Magnetic powder from steel slag for sintering

1 Scope

This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, and storage, transportation and quality certificate of magnetic powder from steel slag for sintering.

This standard is applicable to magnetic powder from steel slag for sintering.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.

GB/T 6003.1 Test sieves - Technical requirements and testing - Part 1: Test sieves of metal wire cloth
GB/T 6730.9 Iron ores - Determination of silicon content - Silicomolybdic blue spectrophotometric method reduced by ammonium ferrous sulfate
GB/T 6730.10 Methods for chemical analysis of iron ores - The gravimetric method for the determination of silicon content
GB/T 6730.13 Iron ores - Determination of calcium and magnesium content - EGTA-CyDTA titrimetric method
GB/T 6730.17 Methods for chemical analysis of iron ores - The combustion iodometric method for the determination of sulfur content
GB/T 6730.18 Iron ores - Determination of phosphorus content - Molybdenum blue spectrophotometric method
GB/T 6730.19 Methods for chemical analysis of iron ores - The bismuth phosphomolybdate blue photometric method for the determination of phosphorus content
GB/T 6730.61 Iron ores - Determination of carbon and sulfur content - High frequency combustion with infrared absorption method
GB/T 6730.65 Iron ores - Determination of total iron content - Titanium(III) chloride reduction potassium dichromate titration methods (routine methods)

 
3 Terms and definitions

For the purposes of this standard, the following terms and definitions apply.

3.1
magnetic powder from steel slag for sintering
magnetic steel slag powder with a total iron content of greater than or equal to 20% and a particle size of less than 10mm from the steel slag through crushing and magnetic separation

4 Technical requirements

4.1 Main chemical composition

The technical requirements of magnetic powder from steel slag for sintering shall be in accordance with those specified in Table 1.

Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Technical requirements
5 Test methods
6 Inspection rules
7 Storage, transportation and quality certificate
Annex A (Normative) Particle size inspection for the magnetic powder from steel slag for sintering