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ASTM D2962-97(2007)

(Test Method)

Standard Test Method for Calculating Volume-Temperature Correction For Coal-Tar Pitches

Standard Test Method for Calculating Volume-Temperature Correction For Coal-Tar Pitches

SIGNIFICANCE AND USE
Coal tar pitch is shipped or stored, or both, at various temperatures, consequently a means is required to correct volume to a specified temperature.
SCOPE
1.1 This test method covers calculation of the amount of expansion or contraction of a volume of liquid coal-tar pitch due to a change of temperature.

General Information

Status
Historical
Publication Date
30-Apr-2007
ICS
91.100.50 - Binders. Sealing materials
Technical Committee
D02 - Petroleum Products, Liquid Fuels, and Lubricants
Current Stage
Ref Project

Relations

Replaces
ASTM D2962-97(2002) - Standard Test Method for Calculating Volume-Temperature Correction For Coal-Tar Pitches
Effective Date
01-May-2007
Replaced By
ASTM D2962-10 - Standard Practice for Calculating Volume-Temperature Correction For Coal-Tar Pitches
Effective Date
01-Oct-2010
Referred By
ASTM D4892-14(2019)e1 - Standard Test Method for Density of Solid Pitch (Helium Pycnometer Method)
Effective Date
01-May-2007

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ASTM D2962-97(2007) - Standard Test Method for Calculating Volume-Temperature Correction For Coal-Tar PitchesASTM D2962-97(2007) - Standard Test Method for Calculating Volume-Temperature Correction For Coal-Tar Pitches
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ASTM D2962-97(2007) - Standard Test Method for Calculating Volume-Temperature Correction For Coal-Tar Pitches
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Standards Content (Sample)


NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D2962–97 (Reapproved 2007)
Standard Test Method for
Calculating Volume-Temperature Correction For Coal-Tar
Pitches
This standard is issued under the fixed designation D2962; 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.
TABLE 1 Expansion Coefficient Versus Relative Density
1. Scope
Expansion Coefficient
Relative Density at
1.1 This test method covers calculation of the amount of
60/60°F (15.6/15.6°C)
per °F per °C
expansion or contraction of a volume of liquid coal-tar pitch
−6 −6
due to a change of temperature.
1.160 3453 10 6203 10
1.170 340 610
1.180 330 600
2. Referenced Documents
1.190 325 590
2.1 ASTM Standards:
1.200 320 580
1.210 315 570
D70 Test Method for Density of Semi-Solid Bituminous
1.220 310 565
Materials (Pycnometer Method)
1.230 305 555
D71 Test Method for Relative Density of Solid Pitch and 1.240 300 545
1.250 295 535
Asphalt (Displacement Method)
1.260 290 525
1.270 285 520
3. Summary of Test Method
1.280 280 510
1.290 275 500
3.1 Different pitches expand or contract at different rates
1.300 270 490
which vary in relation to the relative density of the material.
1.310 265 480
The corresponding values are listed in Table 1.
1.320 260 470
1.330 255 460
1.340 250 450
4. Significance and Use
4.1 Coal tar pitch is shipped or stored, or both, at various
temperatures, consequently a means is required to correct
5.4 To the product of 5.3 add 1.000. The result is expansion
volume to a specified temperature.
factor A.
5.5 If the temperature of the material as measured is above
5. Procedure
the standard temperature, divide the measured volume by
5.1 Determine the relative density of the pitch at 60/60°F
factor A (5.4). If the temperature of the material as measured is
(15.6/15.6°C) in accordance with Test Methods D70 or D71,
below the standard temperature, multiply the measured volume
whichever is most suitable.
by factor A (5.4).
5.2 Find the coefficient of expansion per degree Celsius or
5.6 Example—Atank of pitch contains 95,000 gal at 350°F
Fahrenheit for the particular material from Table 1.
(177°C). Calculate the volume at 60°F (15.6°C) as follows:
5.3 Multiply the coefficient by the number of degrees
The relative density 60/60°F (15.6/15.6
...

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5.1 Understanding the stability and compatibility of a petroleum product (crude oil or refinery stream, or both) is critical to facilities that receive multiple types of products and perform blending and processing operations. Blending incompatible streams can cause asphaltene precipitation with potential consequences such as but not limited to: refinery unit fouling, processing problems, throughput reduction, emulsion stabilization, pipeline and tank deposition, and equipment fouling.  
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