ASTM C704/C704M-09e1
(Test Method)Standard Test Method for Abrasion Resistance of Refractory Materials at Room Temperature
Standard Test Method for Abrasion Resistance of Refractory Materials at Room Temperature
SIGNIFICANCE AND USE
This test method measures the relative abrasion resistance of various refractory samples under standard conditions at room temperature.
The abrasion resistance of a refractory material provides an indication of its suitability for service in abrasion or erosive environments.
The results obtained by this test method could be different than those obtained in service because of the different conditions encountered.
SCOPE
1.1 This test method covers the determination of relative abrasion resistance of refractory brick at room temperature. This test method can also be applied to castable refractories (see Metric Dimensions, Practice C 861 and Practice C 865) and plastic refractories (see Practice C 1054).
1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, 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.
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´1
Designation: C704/C704M – 09
Standard Test Method for
Abrasion Resistance of Refractory Materials at Room
1
Temperature
This standard is issued under the fixed designation C704/C704M; 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 (´) indicates an editorial change since the last revision or reapproval.
1
´ NOTE—Section 2 was corrected editorially in August 2009.
1. Scope C1036 Specification for Flat Glass
C1054 Practice for Pressing and Drying Refractory Plastic
1.1 This test method covers the determination of relative
and Ramming Mix Specimens
abrasion resistance of refractory brick at room temperature.
2.2 ASTM Adjuncts:
This test method can also be applied to castable refractories
3
Abrasion Tester (1 dwg)
(see Metric Dimensions, Practice C861 and Practice C865) and
plastic refractories (see Practice C1054).
3. Summary of Test Method
1.2 Units—The values stated in either SI units or inch-
3.1 This test method measures the volume of material in
pound units are to be regarded separately as standard. The
cubic centimetres abraded from a flat surface at a right angle to
values stated in each system may not be exact equivalents;
a nozzle through which 1000 g of size-graded silicon carbide
therefore,eachsystemshallbeusedindependentlyoftheother.
grain is blasted by air at 448 kPa [65 psi].
Combining values from the two systems may result in non-
conformance with the standard.
4. Significance and Use
1.3 This standard does not purport to address all of the
4.1 This test method measures the relative abrasion resis-
safety concerns, if any, associated with its use. It is the
tance of various refractory samples under standard conditions
responsibility of the user of this standard to establish appro-
at room temperature.
priate safety and health practices and determine the applica-
4.2 The abrasion resistance of a refractory material provides
bility of regulatory limitations prior to use.
an indication of its suitability for service in abrasion or erosive
environments.
2. Referenced Documents
2 4.3 The results obtained by this test method could be
2.1 ASTM Standards:
different than those obtained in service because of the different
C134 Test Methods for Size, Dimensional Measurements,
conditions encountered.
and Bulk Density of Refractory Brick and Insulating
Firebrick
5. Interferences (Factors known to Affect Results)
C179 Test Method for Drying and Firing Linear Change of
5.1 During development, a ruggedness test was performed
Refractory Plastic and Ramming Mix Specimens
1 1 1
using 114 by 114 by 12.7 mm [4 ⁄2 by 4 ⁄2 by ⁄2 in.] float glass
C861 Practice for Determining Metric Dimensions of Stan-
platesconformingtoSpecificationC1036.Severalfactorswere
dard Series Refractory Brick and Shapes
found to cause statistically significant effects on measured
C862 Practice for Preparing Refractory Concrete Speci-
results (see Section 10).
mens by Casting
5.1.1 Nozzle Tube Inside Diameter—variation in the inside
C865 Practice for Firing Refractory Concrete Specimens
diameter of the flint glass nozzle tube statistically affected the
abrasion values obtained on the glass plate. Ideal glass tube
1
This test method is under the jurisdiction of ASTM Committee C08 on inside diameter is 4.8 mm. Glass tube lots purchased as 7 mm
Refractories and is the direct responsibility of Subcommittee C08.03 on Physical
outside diameter tube with a nominal 1.1 mm wall thickness
Properties.
can have inside diameters ranging from 4.6 mm to 5.0 mm. For
Current edition approved March 1, 2009. Published March 2009. Originally
the ruggedness test, flint glass tube inside diameters of 4.7 mm
approved in 1972. Last previous edition approved in 2007 as C704 – 07. DOI:
10.1520/C0704_C0704M-09E01.
and 4.9 mm were used. The statistically significant effect of
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on Available from ASTM International Headquarters. Order Adjunct No.
the ASTM website. ADJC0704. Original adjunct produced in 1970.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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C704/C704M – 09
this small tube inside diameter variation must be taken into the tubing nut and the gun assembly, adequate vacuum draw
consideration and all nozzle tube should be individually (see 8.6) will be unattainable. The glass tube is then positioned
measured and chosen to conform to a specified 4.8 mm inside at a distance of 2 mm [0
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
´1
Designation:C704/C704M–09 Designation: C 704/C 704M – 09
Standard Test Method for
Abrasion Resistance of Refractory Materials at Room
1
Temperature
This standard is issued under the fixed designation C 704/C 704M; 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 (´) indicates an editorial change since the last revision or reapproval.
1
´ NOTE—Section 2 was corrected editorially in August 2009.
1. Scope
1.1 This test method covers the determination of relative abrasion resistance of refractory brick at room temperature. This test
method can also be applied to castable refractories (see Metric Dimensions, Practice C 861 and Practice C 865) and plastic
refractories (see Practice C 1054).
1.2 Units—The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated
in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values
from the two systems may result in non-conformance with the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, 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.
2. Referenced Documents
2
2.1 ASTM Standards:
C 134 Test Methods for Size, Dimensional Measurements, and Bulk Density of Refractory Brick and Insulating Firebrick
C 179 Test Method for Drying and Firing Linear Change of Refractory Plastic and Ramming Mix Specimens
C 861 Practice for Determining Metric Dimensions of Standard Series Refractory Brick and Shapes
C 862 Practice for Preparing Refractory Concrete Specimens by Casting
C 865 Practice for Firing Refractory Concrete Specimens
C 1036 Specification for Flat Glass
C 1054 Practice for Pressing and Drying Refractory Plastic and Ramming Mix Specimens
2.2 ASTM Adjuncts:
3
Abrasion Tester (1 dwg)
3. Summary of Test Method
3.1 Thistestmethodmeasuresthevolumeofmaterialincubiccentimetresabradedfromaflatsurfaceatarightangletoanozzle
through which 1000 g of size-graded silicon carbide grain is blasted by air at 448 kPa [65 psi].
4. Significance and Use
4.1 This test method measures the relative abrasion resistance of various refractory samples under standard conditions at room
temperature.
4.2 The abrasion resistance of a refractory material provides an indication of its suitability for service in abrasion or erosive
environments.
4.3 The results obtained by this test method could be different than those obtained in service because of the different conditions
encountered.
1
This test method is under the jurisdiction of ASTM Committee C08 on Refractories and is the direct responsibility of Subcommittee C08.03 on Physical Properties .
Current edition approved March 1, 2009. Published March 2009. Originally approved in 1972. Last previous edition approved in 2007 as C 704 – 07.
2
For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at service@astm.org. For Annual Book ofASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Detailed prints for the construction of the test chamber are available at a nominal cost from ASTM International Headquarters. Order Adjunct No. ADJC0704. An
acceptable test chamber can be made from a weatherproof electrical switch box.
3
Available from ASTM International Headquarters. Order Adjunct No. . Original adjunct produced in 1970 .
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
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C 704/C 704M – 09
5. Interferences (Factors known to Affect Results)
1 1 1
5.1 During development, a ruggedness test was performed using 114 by 114 by 12.7 mm [4 ⁄2 by 4 ⁄2 by ⁄2 in.] float glass plates
4
conforming to Specification C 1036. Several factors were found to cause statistically significant effects on measured results.
5.1.1 Nozzle Tube Inside Diameter—variation in the inside diameter of the flint glass nozzle tube statistically affected the
abrasion values obtained on the glass plate. Ideal glass tube inside diameter is 4.8 mm. Glass tube lots purchased as 7 mm outside
diametertubewithanominal1.1mmwallthicknesscanhaveinsidediametersrangingfrom4
...
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