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ASTM D7320-13
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
Automaticky přeložený název:
Standardní zkušební metoda pro hodnocení Automobilové oleje motoru v pořadí IIIG , zážehového motoru
NORMA vydána dne 1.10.2013
Informace o normě:
Označení normy: ASTM D7320-13
Poznámka: NEPLATNÁ
Datum vydání normy: 1.10.2013
Kód zboží: NS-38178
Počet stran: 51
Přibližná hmotnost: 153 g (0.34 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Anotace textu normy ASTM D7320-13 :
Keywords:
cam and lifter wear, deposits, engine oil, engine wear, high-temperature performance, oil consumption, oil thickening, oil viscosity, oxidation resistance, Sequence IIIG test, spark-ignition automotive engine, varnish, varnish deposition, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Doplňující informace
| Significance and Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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5.1 This test method was developed to evaluate automotive engine oils for protection against oil thickening and engine wear during moderately high-speed, high-temperature service. 5.2 The increase in oil viscosity obtained in this test indicates the tendency of an oil to thicken because of oxidation. In automotive service, such thickening can cause oil pump starvation and resultant catastrophic engine failures. 5.3 The deposit ratings for an oil indicate the tendency for the formation of deposits throughout the engine, including those that can cause sticking of the piston rings in their grooves. This can be involved in the loss of compression pressures in the engine. 5.4 The camshaft and lifter wear values obtained in this test provide a measure of the anti-wear quality of an oil under conditions of high unit pressure mechanical contact. 5.5 The test method was developed to correlate with oils of known good and poor protection against oil thickening and engine wear. Specially formulated oils that produce less than desirable results with unleaded fuels were also used during the development of this test. 5.6 The Sequence IIIG engine oil test has replaced the Sequence IIIF test and can be used in specifications and classifications of engine lubricating oils, such as the following: 5.6.1 Specification D4485, 5.6.2 Military Specification MIL-PRF-2104, and 5.6.3 SAE Classification J183. |
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| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This test method covers an engine test procedure for evaluating automotive engine oils for certain high-temperature performance characteristics, including oil thickening, varnish deposition, oil consumption, as well as engine wear. Such oils include both single viscosity grade and multiviscosity grade oils that are used in both spark-ignition, gasoline-fueled engines, as well as in diesel engines. 1.1.1 Additionally, with nonmandatory supplemental requirements, a IIIGA Test (Mini Rotary Viscometer and Cold Cranking Simulator measurements), a IIIGVS Test (EOT viscosity increase measurement), or a IIIGB Test (phosphorous retention measurement) can be conducted. These supplemental test procedures are contained in Appendixes Appendix X1, Appendix X2, and Appendix X3, respectively. 1.2 The values stated in SI units
are to be regarded as standard. No other units of measurement are
included in this standard.
1.2.1 Exception—Where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, and tubing size. 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.
Standard Test Method for Kinematic
Viscosity of Transparent and Opaque Liquids (and Calculation of
Dynamic Viscosity) Standard Practice for Utilization of Test
Data to Determine Conformance with Specifications (Includes all
amendments and changes 10/14/2021). Standard Test Method for Estimation of
Net Heat of Combustion of Aviation Fuels Standard Test Method for Oxidation
Stability of Gasoline (Induction Period Method) (Includes all
amendments and changes 12/12/2019). Standard Test Method for Multielement
Determination of Used and Unused Lubricating Oils and Base Oils by
Inductively Coupled Plasma Atomic Emission Spectrometry
(ICP-AES) Standard Test Method for Vapor Pressure
of Petroleum Products and Liquid Fuels (Mini Method) Standard Test Method for Apparent
Viscosity of Engine Oils and Base Stocks Between -10 °C and -35 °C
Using Cold-Cranking Simulator Standard Test Method for Particulate
Contamination in Aviation Fuels by Laboratory Filtration Standard Test Method for Determination of
Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel,
Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence
(Includes all amendments and changes 8/13/2019). Standard Test Method for Evaluation of
Engine Oils in Two-Stroke Cycle Turbo-Supercharged 6V92TA Diesel
Engine (Withdrawn 2009) Standard Test Method for Evaluation of
Automotive Engine Oils for Inhibition of Deposit Formation in a
Spark-Ignition Internal Combustion Engine Fueled with Gasoline and
Operated Under Low-Temperature, Light-Duty Conditions (Includes all
amendments and changes 6/22/2022). Standard Test Method for Distillation of
Petroleum Products and Liquid Fuels at Atmospheric Pressure
(Includes all amendments and changes 2/9/2024). Standard Specification for Mineral
Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent) Standard Test Method for Heat of
Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter Standard Test Method for Corrosiveness to
Copper from Petroleum Products by Copper Strip Test Standard Test Method for Vapor Pressure
of Petroleum Products (Reid Method) (Includes all amendments and
changes 12/9/2020). Standard Test Method for Gum Content in
Fuels by Jet Evaporation Standard Test Methods for Evaluation of
Engine Oils in a High-Speed, Single-Cylinder Diesel Engine—1K
Procedure (0.4 % Fuel Sulfur) and 1N Procedure (0.04 % Fuel
Sulfur) Standard Test Method for Evaluation of
Automotive Engine Oils in the Sequence IIIF, Spark-Ignition Engine
(Includes all amendments and changes 6/23/2022). Standard Test Method for Evaluation of
Diesel Engine Oils in T-12 Exhaust Gas Recirculation Diesel
Engine Standard Practice for Using Significant
Digits in Test Data to Determine Conformance with
Specifications Standard Specification for Apparatus For
Microdetermination of Carbon and Hydrogen in Organic and
Organo-Metallic Compounds Standard Specification for
Mineral-Insulated, Metal-Sheathed Base Metal Thermocouples Standard Specification for Industrial
Grade Ethylene Glycol Lubricating Oil, Internal Combustion
Engine, Tactical Service IEEE/ASTM SI 10 Standard for Use of the International
System of Units (SI): The Modern Metric System Standard Test Method for Estimation of
Hydrogen Content of Aviation Fuels Standard Test Method for Density,
Relative Density, and API Gravity of Liquids by Digital Density
Meter Standard Terminology Relating to
Petroleum Products, Liquid Fuels, and Lubricants (Includes all
amendments and changes 12/21/2023). Standard Specification for Performance of
Active API Service Category Engine Oils (Includes all amendments
and changes 12/8/2022). Standard Test Method for Determination of
Yield Stress and Apparent Viscosity of Engine Oils at Low
Temperature (Includes all amendments and changes 11/17/2020). Standard Test Method for Determination of
MTBE, ETBE, TAME, DIPE, tertiary-Amyl Alcohol and C1 to C4 Alcohols
in Gasoline by Gas Chromatography Standard Test Method for Hydrocarbon
Types in Liquid Petroleum Products by Fluorescent Indicator
Adsorption (Includes all amendments and changes 9/14/2020). Standard Test Method for Research Octane
Number of Spark-Ignition Engine Fuel (Includes all amendments and
changes 1/17/2024). Standard Test Method for Motor Octane
Number of Spark-Ignition Engine Fuel (Includes all amendments and
changes 1/17/2024). Standard Test Method for Phosphorus in
Gasoline Standard Test Method for Lead in Gasoline
by Atomic Absorption Spectroscopy |
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