ASTM-C27 › Historical Revision Information
Standard Classification of Fireclay and High-Alumina Refractory Brick
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Scope
1.1 This classification covers machine-made fireclay and high-alumina refractory brick, and its purpose is to set forth the various classes and types of these materials in accordance with their normal and characteristic properties, which are important in their use.
1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
Significance and Use
3.1 Alumina-silica refractory brick is produced from various combinations of alumina and silica-containing materials. These bricks can vary in chemical composition from almost 100 % alumina and little silica to almost 100 % silica and little alumina. It is therefore useful to establish a classification scheme based on physical properties and chemical analysis. One group, fireclay brick, is classified based on physical properties since some overlap of alumina and silica content can occur. A second group, high-alumina brick, is classified primarily based on alumina content. The classification allows those familiar with refractory materials to group similar products from various suppliers in a standard and consistent manner.
Keywords
fireclay brick; high-alumina brick; properties; ICS Number Code 81.080 (Refractories)
To find similar documents by ASTM Volume:
15.01 (Refractories, Activated Carbon; Advanced Ceramics)
To find similar documents by classification:
81.080 (Refractories Including ceramic refractories)
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Document Number
ASTM-C27-98(2013)
Revision Level
1998 R13 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Sept. 15, 2013
Document Type
Classification
Page Count
2 pages
Committee Number
C08.92