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Corundum Ramming Mass castable refractory for alloy cast iron steel , High Alumina

Categories Refractory Castable
Brand Name: RSNC
Model Number: HDD
Certification: CE,CQC,ISO9001
Place of Origin: Henan
MOQ: 1mt
Price: USD200-1000/MT
Supply Ability: 1000mt per month
Delivery Time: 25days upon recceipt of payment
Packaging Details: 1.packed on wooden pallets, with water-proof cover, and tightened with plastic/steel bandages 2.According to customer's demands
Refractoriness (Degree):: Common (1580°< Refractoriness<1770°)
SiO2(%)≥: 0.7
Bulk Density g/cm 3≥: 2
Cold Crushing Strength MPa 1110℃x3h≥: 15
Fe2O3(%),≤: 0.5
Apparent Porosity(%): 26
Linear changing after burnt(%): 0-1.6
Al2o3(%),≤: 95
Max.grain size of aggregate(mm): 5
Amount for construction: 2300
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Corundum Ramming Mass castable refractory for alloy cast iron steel , High Alumina

Corundum Ramming Mass

Features

1. High volume stability.

2. High compactness.

3. Strong resistance to erosion.


Description

This product uses high-quality high-alumina, corundum and spinel, fused and high purity magnesite as the main raw materials, add a variety of different binding agents and special properties of the fine powder materials, such as by the fine ratio and mixing made.

Specification

Aluminum-magnesia ramming material, high-alumina (or corundum) – silicon carbide – carbon ramming material, alkali refractory ramming material and zirconium mullite ramming material.

Applications

Applicable to all kinds of carbon steel, low manganese steel, alloy steel, alloy cast iron, high-speed tool steel and stainless steel.

Physical and chemical index

ItemsHDD-1HDD-2HDD-3HDD-4HDD-5
Chemical composition(%)AI203≤9596969790
Si02≥0.70.60.60.50.4
Fe203≤0.50.50.40.40.8
Cold Crushing Strength (Mpa)1300℃x3h After firing at1515101025
Apparent porosity(%)1300℃x3h After firing at2626252523
Linear changing after burnt(%)1300℃x3h After firing at0 -1.60-1.20 -1.0
Bulk density (g/cm3)1300℃x3h After firing at222.12.12.2
(℃)Refractoriness1780178017801780
Max. grain size of aggregate(mm)54.54.54.24.2
Amount for construction23002300230024002400
Mathod of constructionJolt or ramming

Note: General cargo is bulk mixture, all products must do waterproof measures during the transportation and storage, it is prohibited to use if the goods appear agglomeration.


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