ASTM D3241-19

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Designation: D3241 − 19 An American National Standard
Designation 323/16
Standard Test Method for
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Thermal Oxidation Stability of Aviation Turbine Fuels
This standard is issued under the fixed designation D3241; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope* 1.8 This international standard was developed in accor-
dance with internationally recognized principles on standard-
1.1 This test method covers the procedure for rating the
ization established in the Decision on Principles for the
tendencies of gas turbine fuels to deposit decomposition
Development of International Standards, Guides and Recom-
products within the fuel system.
mendations issued by the World Trade Organization Technical
1.2 The differential pressure values in mm Hg are defined
Barriers to Trade (TBT) Committee.
only in terms of this test method.
2. Referenced Documents
1.3 The deposition values stated in SI units shall be re-
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garded as the referee value.
2.1 ASTM Standards:
D1655Specification for Aviation Turbine Fuels
1.4 The pressure values stated in SI units are to be regarded
D4306Practice for Aviation Fuel Sample Containers for
as standard. The psi comparison is included for operational
Tests Affected by Trace Contamination
safety with certain older instruments that cannot report pres-
E177Practice for Use of the Terms Precision and Bias in
sure in SI units.
ASTM Test Methods
1.5 No other units of measurement are included in this
E691Practice for Conducting an Interlaboratory Study to
standard.
Determine the Precision of a Test Method
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1.6 Warning—Mercuryhasbeendesignatedbymanyregu- 2.2 ISO Standards:
latory agencies as a hazardous material that can cause central
ISO 3274 Geometrical Product Specifications (GPS)—
nervous system, kidney and liver damage. Mercury, or its Surface texture: Profile method—Nominal characteristics
vapor, may be hazardous to health and corrosive to materials.
of contact (stylus) instruments
Caution should be taken when handling mercury and mercury
ISO 4288 Geometrical Product Specifications (GPS)—
containing products. See the applicable product Material
Surface texture: Profile method—Rules and procedures
Safety Data Sheet (MSDS) for details and EPA’s website—
for the assessment of surface texture
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http://www.epa.gov/mercury/faq.htm—for additional informa-
2.3 ASTM Adjuncts:
tion. Users should be aware that selling mercury and/or
Color Standard for Tube Deposit Rating
mercury containing products into your state or country may be
3. Terminology
prohibited by law.
1.7 This standard does not purport to address all of the 3.1 Definitions of Terms Specific to This Standard:
safety concerns, if any, associated with its use. It is the 3.1.1 deposits, n—oxidative products laid down on the test
responsibility of the user of this standard to establish appro- area of the heater tube or caught in the test filter, or both.
priate safety, health, and environmental practices and deter- 3.1.1.1 Discussion—Fuel deposits will tend to predominate
at the hottest portion of the heater tube, which is between the
mine the applicability of regulatory limitations prior to use.
For specific warning statements, see 6.1.1, 7.2, 7.2.1, 7.3, 30mm and 50mm position.
11.1.1, and Annex A6.
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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
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This test method is under the jurisdiction of ASTM Committee D02 on Standards volume information, refer to the standard’s Document Summary page on
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of the ASTM website.
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Subcommittee D02.J0.03 on Combustion and Thermal Properties. Available from International Organization for Standardization (ISO), 1, ch. de
Current edition approved March 1, 2019. Published April 2019. Originally la Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http://www.iso.org.
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approved in 1973. Last previous edition approved in 2018 as D3241–18. DOI: Available from ASTM International Headquarters. Order Adjunct No.
10.1520/D3241-19. ADJD3241. Original adjunct produced in 1986.
*A Summary of Changes section appears at the end of this standard
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D3241 − 19
3.1.2 heater tube, n—an aluminum coupon controlled at 6.1.1 Portions of this test may be automated. Refer to the
elevated temp
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