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ASTM C1407-98(2005)

(Practice)

Standard Practice for Calculating Areas, Volume, and Linear Change of Refractory Shapes

Standard Practice for Calculating Areas, Volume, and Linear Change of Refractory Shapes

SIGNIFICANCE AND USE
Fireclay steel-teeming nozzles and sleeves are classified by volume reheat change. Bloating of some refractories results in irregular reheat dimensions, which are difficult to measure. This practice determines the volume without depending upon physical linear measurements.
Blast furnace checkers that have irregular cross-sections are classified by “creep properties.” This practice determines the average cross-sectional area without requiring area measurements.
SCOPE
1.1 This practice covers the methods of calculating areas, volumes and linear changes of irregularly shaped refractory specimens.
1.2 Areas of irregular (both conventional and shaped) specimens are required for determining the creep of certain refractory products.
1.3 Linear and volume changes or irregularly shaped refractories are required for determining reheat change.
1.4 The values stated in SI units are to be regarded as the standard
1.5 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.

General Information

Status
Historical
Publication Date
28-Feb-2005
ICS
81.080 - Refractories
Technical Committee
C08 - Refractories
Drafting Committee
C08.03 - Physical Properties
Current Stage
Ref Project

Relations

Replaces
ASTM C1407-98 - Standard Practice for Calculating Areas, Volume, and Linear Change of Refractory Shapes
Effective Date
01-Mar-2005
Replaced By
ASTM C1407-98(2011)e1 - Standard Practice for Calculating Areas, Volume, and Linear Change of Refractory Shapes
Effective Date
01-Mar-2011

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ASTM C1407-98(2005) - Standard Practice for Calculating Areas, Volume, and Linear Change of Refractory ShapesASTM C1407-98(2005) - Standard Practice for Calculating Areas, Volume, and Linear Change of Refractory Shapes
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ASTM C1407-98(2005) - Standard Practice for Calculating Areas, Volume, and Linear Change of Refractory Shapes
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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
Designation:C1407–98 (Reapproved 2005)
Standard Practice for
Calculating Areas, Volume, and Linear Change of Refractory
Shapes
This standard is issued under the fixed designation C1407; 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. Scope 3.2 Blast furnace checkers that have irregular cross-sections
are classified by “creep properties.” This practice determines
1.1 This practice covers the methods of calculating areas,
the average cross-sectional area without requiring area mea-
volumes, and linear changes of irregularly shaped refractory
surements.
specimens.
1.2 Areas of irregular (both conventional and shaped) speci-
4. Procedure
mens are required for determining the creep of certain refrac-
4.1 The test specimens shall have their volume (V ) pre-
A
tory products.
determined using the standard procedure described in Test
1.3 Linear and volume changes or irregularly shaped refrac-
Methods C20 or C830.
tories are required for determining reheat change.
4.2 Dry the specimens to constant weight.
1.4 The values stated in SI units are to be regarded as the
4.3 Weigh the specimens to the nearest 0.1 g and record as
standard.
W.
1.5 This standard does not purport to address all of the
4.4 If the specimens have parallel faces (such as ground
safety concerns, if any, associated with its use. It is the
surfaces for applying load for creep data) measure the length to
responsibility of the user of this standard to establish appro-
the nearest 0.005 in. (0.13 mm) and record as L.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
5. Calculation
5.1 Area of Creep Specimens (Irregular Cross-Sections):
2. Referenced Documents
5.1.1
2.1 ASTM Standards:
C20 Test Methods forApparent Porosity,WaterAbsorption,
volume~V! ~C20 or C830! cm
2 –4 2
area A! 5 5 cm 10 m ! (1)
~ ~
Apparent Specific Gravity, and Bulk Density of Burned
length ~L! ~cm!
Refractory Brick and Shapes by Boiling Water
5.1.2
C830 Test Methods for Apparent Porosity, Liquid Absorp-
weight~W! ~g!
tion, Apparent Specific Gravity, and Bulk Density of 3 –6 3
volume~V!5 5 cm ~10 m ! (2)
bulk density ~g/cm !
Refractory Shapes by Vacuum Pressure
5.1.3 Illustration:
3. Significance and Use
Weight (W) = 375.2 g
3 3
3.1 Fireclay steel-teeming nozzles and sleeves are classified Bulk Density = 2.56 g/cm (Mg/m )
–2
Length (L) = 10.795 cm (10 m)
by volume reheat change. Bloating of some refractories results
375.2
in irregular reheat dimensions, which are difficult to measure.
3 –6 3
V 5 5 146.56 cm ~10 m ! (3)
2.56
This practice determines the volume without depending upon
physical linear measurements. Volume 146.56
2 –4 2
A 5 5 5 13.58 cm ~10 m ! (4)
–2
Length
10.795 ~10 m!
ThispracticeisunderthejurisdictionofASTMCommitteeC08onRefractories
5.2 Volume Change of Reheat Specimens:
and is th
...

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