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ASTM C179-85(1999)e1

(Test Method)

Standard Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix Specimens

Standard Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix Specimens

SCOPE
1.1 This test method covers the determination of the drying shrinkage and of the combined drying and linear change of ramming and plastic refractories.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The values in parentheses are provided for information only.  
1.3  This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
31-Dec-1998
ICS
81.080 - Refractories
Technical Committee
C08 - Refractories
Drafting Committee
C08.09 - Monolithics
Current Stage
Ref Project

Relations

Replaces
ASTM C179-85(1999) - Standard Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix Specimens
Effective Date
01-Jan-1999
Replaced By
ASTM C179-04 - Standard Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix Specimens
Effective Date
01-Sep-2004
Referred By
ASTM C704/C704M-15(2022)e1 - Standard Test Method for Abrasion Resistance of Refractory Materials at Room Temperature
Effective Date
01-Jan-1999
Referred By
ASTM C113-14(2019) - Standard Test Method for Reheat Change of Refractory Brick
Effective Date
01-Jan-1999
Referred By
ASTM C1054-18 - Standard Practice for Pressing and Drying Refractory Plastic and Ramming Mix Specimens
Effective Date
01-Jan-1999
Referred By
ASTM C1419-14(2020) - Standard Test Method for Sonic Velocity in Refractory Materials at Room Temperature and Its Use in Obtaining an Approximate Young's Modulus
Effective Date
01-Jan-1999

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ASTM C179-85(1999)e1 - Standard Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix SpecimensASTM C179-85(1999)e1 - Standard Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix Specimens
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ASTM C179-85(1999)e1 - Standard Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix Specimens
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
e1
Designation: C 179 – 85 (Reapproved 1999)
Standard Test Method for
Drying and Firing Linear Change of Refractory Plastic and
Ramming Mix Specimens
This standard is issued under the fixed designation C 179; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
e NOTE—Keywords were added editorially in March 2002.
1. Scope can be used to determine the number of joints necessary to
maintain integrity of ramming or plastic refractory in a large
1.1 This test method covers the determination of the drying
installation.
shrinkage and of the combined drying and linear change of
ramming and plastic refractories.
4. Apparatus
1.2 The values stated in inch-pound units are to be regarded
4.1 Kiln, electric or gas type, of such design that the flame,
as the standard. The values in parentheses are provided for
as coming directly from the burner, cannot impinge upon the
information only.
test specimens.
1.3 This standard does not purport to address all of the
4.2 Measuring Device , a 12-in. (305-mm), graduated in
safety concerns, if any, associated with its use. It is the
0.02-in. (0.5-mm) increments. A hooked rule is convenient to
responsibility of the user of this standard to establish appro-
use, and a suitable type is described in Test Methods C 134.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
5. Test Specimens
5.1 Number of Specimens—A minimum of six specimens
2. Referenced Documents
molded from the sample (see Note 1) of plastic refractory will
2.1 ASTM Standards:
2 be required. Half of the specimens shall be used for the test and
C 113 Test Method for Reheat Change of Refractory Brick
the other half used as supporting pieces during the kiln heat
C 134 Test Methods for Size, Dimensional Measurements,
treatment.
and Bulk Density of Refractory Brick and Insulating
Firebrick
NOTE 1—For pressing and drying the specimens see Practice C 1054.
C 181 Test Method for Workability Index of Fireclay and
5.2 Measurement of Specimens—Using the measuring de-
High-Alumina Plastic Refractories
vice, measure the bar for all dimensions to the nearest 0.02-in.
C 1054 Practice for Pressing and Drying Refractory Plastic
(0.5-mm). Label and make reference marks to indicate the
and Ramming Mix Specimens
exact length measurement points. Caution should be taken as
deformation of the specimens may be caused by handling.
3. Significance and Use
5.3 Drying of Specimens—Dry specimens should be dried
3.1 This test method is useful in quantitatively rating or
as stated in Practice C 1054, 6.6 (6.6.2 for phosphate-bonded
ranking both ramming and plastic refractories by their linear
material, 6.6.3 for clay-bonded and air-setting materials).
stability after heating.
5.4 Measuring Dried Specimens—Measure specimens as
3.2 This test method is also useful for determining whether
stated in 5.2.
a ramming or plastic refractory can be used in a specified
application based on linear change criteria.
6. Procedure
3.3 This test method excludes basic and carbon bearing
6.1 Placing Specimens in Kiln—Place the dried specimens
materials.
in the kiln in accordance with Test Method C 113, with the
3.4 This test method can produce data for the engineering
exception that the supporting brick shall consist
...

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2.5 It is incumbent upon the user to understand that this is an aggressive, accelerated test method and to be careful in interpreting the results. If, for example, the reaction species have never been found in a real-world furnace, then this test method should not necessarily be considered valid to evaluate the refractory in question.
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