Light burned magnesium ball
1 Scope
This standard specifies the technical requirements, test methods, inspection rules, packaging, identification and quality certificate of light burned magnesium balls.
This standard is applicable to the company's light-burned magnesium balls for converter steelmaking and magnesium slagging.
2 Normative references
The clauses in the following documents become the clauses of this standard through the reference of this standard. For dated references, all subsequent amendments (excluding the contents of the corrigendum) or revisions are not applicable to this standard. However, it is encouraged that parties to agreements based on this standard can use the latest versions of these documents. For undated reference documents, the latest version is applicable to this standard.
GB/T 5069.1-2001 Magnesium and magnesia-aluminum (aluminum-magnesium) refractories -- Determination of loss on ignition -- Gravimetric method
GB/T 5069.2-2001 Magnesium and magnesia-aluminum (aluminum-magnesium) refractories -- Determination of silicon dioxide content -- Molybdenum blue photometric method
GB/T 5069.11-2001 Magnesium and magnesia-aluminum (aluminum-magnesium) refractories -- Determination of calcium oxide and magnesium oxide content -- Complexometric titration method
GB/T 5072-1985 Test method for compressive strength of dense shaped refractory products at ambient temperature
Light burned magnesium ball
3 Technical requirements
3.1 The chemical composition and physical properties of the lightly burned magnesium ball shall comply with the provisions of the following table:
project
Chemical composition (%) SiO2
MgO S moisture quality index
≤3.50
≥65.00
Spot check
≤1.00
3.2 Grain size requirements: 40~60mm, of which the size less than 5mm is not more than 5%.
Compressive strength: ≥ 1.5 KN/piece
4 Inspection methods and rules
4.1 The ignition loss test shall be conducted according to GB/T 5069.1-2001. 4.2 Chemical analysis shall be conducted according to 2 normative references. 4.3 The compression force shall be tested according to GB/T 5072-1985. 4.4 Particle size inspection of light burned magnesium ball shall be conducted according to GB/T 2007 5 inspection rules
5.1 The Quality Department is responsible for the quality inspection of light burned magnesium balls. The quality department shall report the analysis results to the relevant units as soon as possible after receiving the samples.
5.2 Batching: each batch of products shall not exceed 500 tons;
5.3 Each batch of samples shall not be less than 15kg, and balanced samples shall be taken from various bags. 5.3 The quality inspection and acceptance of light burned magnesium ball shall comply with the provisions of YB/T 5142. 6 Quality inspection
6.1 The quality judgment of light burned magnesium ball is based on the conventional analysis results. 6.2 The quality judgment of light burned magnesium balls is based on the chemical analysis results of each batch. 7 Storage, transportation and quality certificate
7.1 Light burned magnesium balls are packed in polypropylene woven bags, each of which is 1 ton, to ensure that the contents are not exposed and leaked, and to indicate the product name and supplier name; Each batch must be accompanied by a quality certificate.
7.3 The chemical analysis report of the quality inspection department shall indicate: product name, inspection serial number, inspection result, inspection date and inspector.
Yingkou Xinhuafeng Magnesium Products Co., Ltd. is engaged in large-crystal fused magnesia, high-purity magnesia, and electrical-grade magnesium oxide. Welcome to inquire!
+86-13941724528
+86-13941732978
Telephone:
+86-13941724528
contacts:
Jin Feng
Telephone:
+86-13941732978
contacts:
Jin Bing
Address:
Guantun Town, Dashiqiao City, Yingkou City, Liaoning Province
