ASTM D396-18

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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: D396 − 17a D396 − 18
Standard Specification for
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Fuel Oils
This standard is issued under the fixed designation D396; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope*
1.1 This specification (see Note 1) covers grades of fuel oil intended for use in various types of fuel-oil-burning equipment
under various climatic and operating conditions. These grades are described as follows:
1.1.1 Grades No. 1 S5000, No. 1 S500, No. 1 S15, No. 2 S5000, No. 2 S500, and No. 2 S15 are middle distillate fuels for use
in domestic and small industrial burners. Grades No. 1 S5000, No. 1 S500, and No. 1 S15 are particularly adapted to vaporizing
type burners or where storage conditions require low pour point fuel.
1.1.2 Grades B6–B20 S5000, B6–B20 S500, and B6–B20 S15 are middle distillate fuel/biodiesel blends for use in domestic and
small industrial burners.
1.1.3 Grades No. 4 (Light) and No. 4 are heavy distillate fuels or middle distillate/residual fuel blends used in commercial/
industrial burners equipped for this viscosity range.
1.1.4 Grades No. 5 (Light), No. 5 (Heavy), and No. 6 are residual fuels of increasing viscosity and boiling range, used in
industrial burners. Preheating is usually required for handling and proper atomization.
NOTE 1—For information on the significance of the terminology and test methods used in this specification, see Appendix X1.
NOTE 2—A more detailed description of the grades of fuel oils is given in X1.3.
1.2 This specification is for the use of purchasing agencies in formulating specifications to be included in contracts for purchases
of fuel oils and for the guidance of consumers of fuel oils in the selection of the grades most suitable for their needs.
1.3 Nothing in this specification shall preclude observance of federal, state, or local regulations which can be more restrictive.
1.4 The values stated in SI units are to be regarded as standard.
1.4.1 Non-SI units are provided in Table 1 and in 7.1.2.1/7.1.2.2 because these are common units used in the industry.
NOTE 3—The generation and dissipation of static electricity can create problems in the handling of distillate burner fuel oils. For more information
on the subject, see Guide D4865.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization
established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued
by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents
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2.1 ASTM Standards:
D56 Test Method for Flash Point by Tag Closed Cup Tester
D86 Test Method for Distillation of Petroleum Products and Liquid Fuels at Atmospheric Pressure
D93 Test Methods for Flash Point by Pensky-Martens Closed Cup Tester
D95 Test Method for Water in Petroleum Products and Bituminous Materials by Distillation
D97 Test Method for Pour Point of Petroleum Products
D129 Test Method for Sulfur in Petroleum Products (General High Pressure Decomposition Device Method)
D130 Test Method for Corrosiveness to Copper from Petroleum Products by Copper Strip Test
D445 Test Method for Kinematic Viscosity of Transparent and Opaque Liquids (and Calculation of Dynamic Viscosity)
D473 Test Method for Sediment in Crude Oils and Fuel Oils by the Extraction Method
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This specification is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.E0 on Burner, Diesel, Non-Aviation Gas Turbine, and Marine Fuels.
Current edition approved Dec. 1, 2017May 1, 2018. Published January 2018June 2018. Originally approved in 1934. Last previous edition approved in 2017 as
D396 – 17.D396 – 17a. DOI: 10.1520/D0396-17A.10.1520/D0396-18.
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*A Summary of Changes section appears at the end of this standard
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