ASTM C1547-02
(Classification)Standard Classification for Fusion-Cast Refractory Blocks and Shapes
Standard Classification for Fusion-Cast Refractory Blocks and Shapes
SCOPE
1.1 This classification covers commercial fusion-cast refractory blocks and shapes. Its purpose is to set forth the various types and classes of these materials according to their mineralogical compositions. These compositions are important to determining their suitability for use in specified applications. This standard is not intended to cover commercial fused grains or beads.
1.2 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 requirements prior to use.
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Designation: C 1547 – 02
Standard Classification for
Fusion-Cast Refractory Blocks and Shapes
This standard is issued under the fixed designation C 1547; 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.
1. Scope 4. Significance and Use
1.1 Thisclassificationcoverscommercialfusion-castrefrac- 4.1 This classification categorizes the defined types of
tory blocks and shapes. Its purpose is to set forth the various fused-cast refractory blocks and shapes into distinct classes
types and classes of these materials according to their miner- based on mineralogical composition. Such classes have histori-
alogical compositions. These compositions are important to cally been useful for relating the defined types and classes with
determining their suitability for use in specified applications. specific industrial applications and for developing product or
This standard is not intended to cover commercial fused grains purchasing specifications.
or beads.
5. Basis of Classification
1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 5.1 Fused alumina refractories are classified by the content
of soda, Na O, as determined by chemical analysis and the
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- resulting beta- (b-) alumina (NaAl O ) or beta9-(b9-) alu-
11 17
mina (NaMg Al O ) content as determined by quantitative
bility of regulatory requirements prior to use.
2 15 25
x-ray diffraction (XRD) or by quantitative image analysis of
2. Referenced Documents
representative polished sections.
2.1 ASTM Standards:
NOTE 2—Differential rates of solidification at the surface and the
C 1118 Guide for Selecting Components for Wavelength
interior of fusion cast shapes, result in different grain sizes. Likewise, the
Dispersive X-ray Fluorescence (XRF) Systems
segregation of one or more components may occur during solidification.
E 1479 Practice for Describing and Specifying Inductively
Therefore the most representative specimens are small, rapidly cooled
ladles or shapes (no dimension >3 in. (>75 mm)) obtained by casting into
Coupled Plasma Atomic Emission Spectrometers
metallic or graphite molds directly from the pouring stream of the fusion
2.2 Other Document:
furnace.
“A Practical Guide for the Preparation of Specimens for
5.2 Fused alumina-zirconia-silica (AZS) and high zirconia
X-Ray Fluorescence and X-Ray Diffraction Analysis,”
Victor E. Buhrke, Ron Jenkins and Deane K. Smith, eds., refractory types are classified by the content of monoclinic
zirconia (ZrO ) as determined by chemical analysis or quanti-
John Wiley & Sons, Inc., New York, 1998
tative image analysis on representative polished sections.
NOTE 1—Chemical analysis of refractory products are determined by a
5.3 Fused aluminosilicate refractories are classified by their
combination of x-ray fluorescence (XRF) and inductively coupled plasma
alumina to silica (Al O :SiO ) ratios as determined by chemi-
(ICP) analyses using standard reference materials (SRM), including 2 3 2
cal analysis and by the amount of monoclinic zirconia present
various types of minerals and refractory materials which are available
from the National Institute of Standards and Technology and other
asdeterminedbyx-raydiffraction(XRD)orquantitativeimage
appropriate sources.
analysis.
5.4 Fused chromium-containing refractories are classified
3. Terminology
by the amount of chromia present by chemical analysis and by
3.1 For definitions of terms used in this classification, see
its mineralogical form as determined by x-ray diffraction
Terminology C 71.
(XRD) or by quantitative image analysis.
5.5 Magnesia-containing fused refractories are classified by
the amount and type of MgO (periclase) and spinel phases
This classification is under the jurisdiction of ASTM Committee C08 on
2+ 3+ 2+
(R R O , where R represents the relevant divalent cations
Refractories and is the direct responsibility of Subcommittee C08.92 on The Joseph 2 4
3+
E. Kopanda Subcommittee for Editorial, Terminology, and Classification. and R represents the relevant trivalent cations) as determined
Current edition approved Nov. 10, 2002. Published July 2003.
by x-ray diffraction (XRD) or by quantitative image analysis.
Annual ASTM Book of Standards,Vol
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C1547–02
TABLE 1 Classification of Fused Alumina Refractories by Soda TABLE 5 Classification of Magnesia-Containing
...
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