ASTM C607-88(2010)e1
(Practice)Standard Practice for Coking Large Shapes of Carbon-Bearing Materials
Standard Practice for Coking Large Shapes of Carbon-Bearing Materials
SIGNIFICANCE AND USE
This practice is useful for preparing coked specimens for subsequent testing where the shapes desired cannot be fitted into the coking box described in Test Methods C831.
This practice can be very sensitive to heating rates in coking. Thus, strict adherence to the coking procedure is necessary.
SCOPE
1.1 This practice covers the preparation of coking of carbon-bearing material for subsequent testing such as modulus of rupture, slag testing, thermal conductivity, and thermal expansion. Test Methods C831 is the specified method for testing residual carbon.
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.
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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Designation: C607 − 88(Reapproved 2010)
Standard Practice for
Coking Large Shapes of Carbon-Bearing Materials
This standard is issued under the fixed designation C607; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
ε NOTE—Editorially corrected Section 2 and 5.1 in September 2010.
1. Scope 3.2 This practice can be very sensitive to heating rates in
coking. Thus, strict adherence to the coking procedure is
1.1 This practice covers the preparation of coking of
necessary.
carbon-bearing material for subsequent testing such as modu-
lus of rupture, slag testing, thermal conductivity, and thermal
4. Apparatus
expansion. Test Methods C831 is the specified method for
4.1 Furnace, gas-, oil-, or electric-fired, with heating cham-
testing residual carbon.
ber capable of receiving the coking box shown in Fig. 1.
1.2 The values stated in inch-pound units are to be regarded
4.2 Box, stainless steel, essentially as shown in Fig. 1.
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only
5. Preparation of Samples
and are not considered standard.
5.1 Refer to the appropriate test method(s) or practice (for
1.3 This standard does not purport to address all of the
example, Test Methods C133, Test Method C767, Test Meth-
safety concerns, if any, associated with its use. It is the
ods C831, Test Method C832, or Practice C874) for sample
responsibility of the user of this standard to establish appro-
requirements.
priate safety and health practices and determine the applica-
6. Procedure
bility of regulatory limitations prior to use.
6.1 Spread a 2-in. (51-mm) layer of dry metallurgical coke,
2. Referenced Documents
passing a No. 12 (1.70-mm) sieve or a 10-meshTyler Standard
2.1 ASTM Standards:
Series, over the bottom of the coking box.
C133Test Methods for Cold Crushing Strength and Modu-
6.2 Push the sample tray through the coke until it rests on
lus of Rupture of Refractories
the bottom.
C767Test Method for Thermal Conductivity of Carbon
Refractories
6.3 Set the specimens approximately 1 in. (25 mm) apart in
C831Test Methods for Residual Carbon,Apparent Residual
the tray, and uniformly spaced from the box sides.
Carbon, and Apparent Carbon Yield in Coked Carbon-
6.4 Place a protected thermocouple inside the box and near
Containing Brick and Shapes
the center specimens for temperature control.
C832Test Method of Measuring Thermal Expansion and
6.5 Secure the lid on the box to prevent excessive leakage.
Creep of Refractories Under Load
C874Test Method for Rotary Slag Testing of Refractory
6.6 Place the loaded box in the furnace heating chamber
Materials
with the nitrogen inlet, thermocouple, and outlet pipe extend-
ing through a bricked-up door.
3. Significance and Use
6.7 Purge the coking box with nitrogen containing no more
3.1 This practice is useful for preparing coked specimens
than 10 ppm (10 mg/L) oxygen and maximum dew point of
forsubsequenttesting
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This document is not anASTM standard and is intended only to provide the user of anASTM 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.
Designation: C607 – 88 (Reapproved 2005)
Standard Practice for
Coking Large Shapes of Carbon-Bearing Materials
This standard is issued under the fixed designation C607; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 Thispracticecoversthepreparationofcokingofcarbon-bearingmaterialforsubsequenttestingsuchasmodulusofrupture,
slag testing, thermal conductivity, and thermal expansion. Test Methods C831 is the specified method for testing residual carbon.
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.
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
2.1 ASTM Standards:
C133 Test Methods for Cold Crushing Strength and Modulus of Rupture of Refractories
C767 Test Method for Thermal Conductivity of Carbon Refractories
C768 Practice for Drip Slag Testing Refractory Materials at High Temperature
C831 Test Methods for Residual Carbon,Apparent Residual Carbon, andApparent CarbonYield in Coked Carbon-Containing
Brick and Shapes
C832 Test Method of Measuring Thermal Expansion and Creep of Refractories Under Load
C874 Practice for Rotary Slag Testing of Refractory Materials
3. Significance and Use
3.1 This practice is useful for preparing coked specimens for subsequent testing where the shapes desired cannot be fitted into
the coking box described in Test Methods C831.
3.2 This practice can be very sensitive to heating rates in coking. Thus, strict adherence to the coking procedure is necessary.
4. Apparatus
4.1 Furnace, gas-, oil-, or electric-fired, with heating chamber capable of receiving the coking box shown in Fig. 1.
4.2 Box, stainless steel, essentially as shown in Fig. 1.
5. Preparation of Samples
5.1 Refertotheappropriatetestmethod(s)orpractice(forexample,TestMethodsC133,TestMethodC767,PracticeC768,Test
Methods C831, Test Method C832, or Practice C874) for sample requirements.
6. Procedure
6.1 Spread a 2-in. (51-mm) layer of dry metallurgical coke, passing a No. 12 (1.70-mm) sieve or a 10-mesh Tyler Standard
Series, over the bottom of the coking box.
6.2 Push the sample tray through the coke until it rests on the bottom.
6.3 Set the specimens approximately 1 in. (25 mm) apart in the tray, and uniformly spaced from the box sides.
6.4 Place a protected thermocouple inside the box and near the center specimens for temperature control.
6.5 Secure the lid on the box to prevent excessive leakage.
This practice is under the jurisdicti
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