ASTM D4485-2011b Standard Specification for Performance of Active API Service Category Engine Oils《主动API服务类别发动机油性能的标准规范》.pdf
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1、Designation: D4485 11bStandard Specification forPerformance of Active API Service Category Engine Oils1This standard is issued under the fixed designation D4485; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revi
2、sion. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.INTRODUCTIONThis specification covers all the currently ac
3、tive American Petroleum Institute (API) engine oilperformance categories that have been defined in accordance with theASTM consensus process.Thereare organizations with specifications not subject to the ASTM consensus process, such as theInternational Lubricant Standardization and Approval Committee
4、 (ILSAC), American PetroleumInstitute (API SM, SN Specifications), and the Association des Constructeurs Europeans dAutomobiles (ACEA). Certain of these specifications, which have been defined primarily by the useof current ASTM test methods, have also been included in the Appendixes for information
5、.In the ASTM system, a specific API designation is assigned to each category. The system isopen-ended, that is, new designations are assigned for use with new categories as each new set of oilperformance characteristics are defined. Oil categories may be referenced by engine builders inmaking lubric
6、ant recommendations, and used by lubricant suppliers and customers in identifyingproducts for specific applications. Where applicable, candidate oil programs are conducted inaccordance with theAmerican Chemistry Council (ACC) PetroleumAdditives ProductApproval Codeof Practice.Other service categorie
7、s not shown in this document have historically been used to describe engineoil performance (SA, SB, SC, SD, SE, SF, SG, SH and CA, CB, CC, CD, CD-II, CE, CF, CF-2, CF-4,CG-4) (see 3.1.2). SA is not included because it does not have specified engine performancerequirements. SH is not included because
8、 it was a category that could not be licensed for gasolineengine oil use in the API Service Symbol after Dec. 2, 2010. (NoteThe SH category has beenincluded in Appendix X8 as relevant information in combination with “C” categories.) The others arenot included because they are based on test methods f
9、or which engine parts, test fuel, or reference oils,or a combination thereof, are no longer available.Also, theASTM 5-Car and Sequence VI Proceduresare obsolete and have been deleted from the category Energy Conserving and Energy Conserving II(defined by Sequence VI). Information on excluded older c
10、ategories and obsolete test requirementscan be found in SAE J183.1. Scope1.1 This specification covers engine oils for light-duty andheavy-duty internal combustion engines used under a variety ofoperating conditions in automobiles, trucks, vans, buses, andoff-highway farm, industrial, and constructi
11、on equipment.1.2 This specification is not intended to cover engine oilapplications such as outboard motors, snowmobiles, lawnmowers, motorcycles, railroad locomotives, or oceangoingvessels.1.3 This specification is based on engine test results thatgenerally have been correlated with results obtaine
12、d on refer-ence oils in actual service engines operating with gasoline ordiesel fuel. As it pertains to the API SL engine oil category, itis based on engine test results that generally have beencorrelated with results obtained on reference oils run ingasoline engine Sequence Tests that defined engin
13、e oil catego-ries prior to 2000. It should be recognized that not all aspectsof engine oil performance are evaluated by the engine tests inthis specification. In addition, when assessing oil performance,it is desirable that the oil be evaluated under actual operatingconditions.1.4 This specification
14、 includes bench and chemical tests thathelp evaluate some aspects of engine oil performance notcovered by the engine tests in this specification.1This specification is under the jurisdiction of ASTM Committee D02 onPetroleum Products and Lubricants and is the direct responsibility of SubcommitteeD02
15、.B0 on Automotive Lubricants.Current edition approved Oct. 1, 2011. Published November 2011. Originallyapproved in 1985. Last previous edition approved in 2011 as D448511a. DOI:10.1520/D4485-11B.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, Unit
16、ed States.1.5 The values stated in SI units are to be regarded asstandard. No other units of measurement are included in thisstandard.1.5.1 ExceptionsThe roller follower shaft wear in TestMethod D5966 is in mils. Some of the appendixes are verbatimfrom other sources, and non-SI units are included.2.
17、 Referenced Documents2.1 ASTM Standards:2D92 Test Method for Flash and Fire Points by ClevelandOpen Cup TesterD93 Test Methods for Flash Point by Pensky-MartensClosed Cup TesterD130 Test Method for Corrosiveness to Copper from Pe-troleum Products by Copper Strip TestD412 Test Methods for Vulcanized
18、Rubber and Thermo-plastic ElastomersTensionD471 Test Method for Rubber PropertyEffect of LiquidsD874 Test Method for Sulfated Ash from Lubricating Oilsand AdditivesD892 Test Method for Foaming Characteristics of Lubricat-ing OilsD2240 Test Method for Rubber PropertyDurometerHardnessD2622 Test Method
19、 for Sulfur in Petroleum Products byWavelength Dispersive X-ray Fluorescence SpectrometryD2887 Test Method for Boiling Range Distribution ofPetroleum Fractions by Gas ChromatographyD3244 Practice for Utilization of Test Data to DetermineConformance with SpecificationsD4171 Specification for Fuel Sys
20、tem Icing InhibitorsD4683 Test Method for Measuring Viscosity of New andUsed Engine Oils at High Shear Rate and High Tempera-ture by Tapered Bearing Simulator Viscometer at 150 CD4684 Test Method for Determination of Yield Stress andApparent Viscosity of Engine Oils at Low TemperatureD4951 Test Meth
21、od for Determination of Additive Ele-ments in Lubricating Oils by Inductively Coupled PlasmaAtomic Emission SpectrometryD5119 Test Method for Evaluation of Automotive EngineOils in the CRC L-38 Spark-Ignition Engine3D5133 Test Method for Low Temperature, Low Shear Rate,Viscosity/Temperature Dependen
22、ce of Lubricating OilsUsing a Temperature-Scanning TechniqueD5185 Test Method for Determination of Additive Ele-ments, Wear Metals, and Contaminants in Used Lubricat-ing Oils and Determination of Selected Elements in BaseOils by Inductively Coupled Plasma Atomic EmissionSpectrometry (ICP-AES)D5293 T
23、est Method for Apparent Viscosity of Engine Oilsand Base Stocks Between 5 and 35C Using Cold-Cranking SimulatorD5302 Test Method for Evaluation of Automotive EngineOils for Inhibition of Deposit Formation and Wear in aSpark-Ignition Internal Combustion Engine Fueled withGasoline and Operated Under L
24、ow-Temperature, Light-Duty Conditions3D5480 Test Method for Engine Oil Volatility by Gas Chro-matography3D5481 Test Method for Measuring Apparent Viscosity atHigh-Temperature and High-Shear Rate by Multicell Cap-illary ViscometerD5533 Test Method for Evaluation of Automotive EngineOils in the Sequen
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