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  • ASTM
    D4950-13 Standard Classification and Specification for Automotive Service Greases
    Edition: 2013
    $103.58
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Description of ASTM-D4950 2013

ASTM D4950 - 13

Standard Classification and Specification for Automotive Service Greases

Active Standard ASTM D4950 | Developed by Subcommittee: D02.B0.04

Book of Standards Volume: 05.02




ASTM D4950

1. Scope

1.1 This specification covers lubricating greases suitable for the periodic relubrication of chassis systems and wheel bearings of passenger cars, trucks, and other vehicles.

1.2 This specification defines the requirements used to describe the properties and performance characteristics of chassis greases and wheel bearing greases for service-fill applications.

1.3 The test requirements (acceptance limits) given in this specification are, as the case may be, minimum or maximum acceptable values for valid duplicate test results. Apply no additional corrections for test precision, such as described in Practice D3244 , inasmuch as the precision of the test methods was taken into account in the determination of the requirements.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4.1 Exception Test Method D2596 reports test results in kgf units. Until that standard is revised, Classification and Specification D4950 will show kgf units in parentheses after the SI units for information only.


2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

ASTM Standards

D217 Test Methods for Cone Penetration of Lubricating Grease

D566 Test Method for Dropping Point of Lubricating Grease

D1264 Test Method for Determining the Water Washout Characteristics of Lubricating Greases

D1742 Test Method for Oil Separation from Lubricating Grease During Storage

D1743 Test Method for Determining Corrosion Preventive Properties of Lubricating Greases

D2265 Test Method for Dropping Point of Lubricating Grease Over Wide Temperature Range

D2266 Test Method for Wear Preventive Characteristics of Lubricating Grease (Four-Ball Method)

D2596 Test Method for Measurement of Extreme-Pressure Properties of Lubricating Grease (Four-Ball Method)

D3244 Practice for Utilization of Test Data to Determine Conformance with Specifications

D3527 Test Method for Life Performance of Automotive Wheel Bearing Grease

D4170 Test Method for Fretting Wear Protection by Lubricating Greases

D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants

D4289 Test Method for Elastomer Compatibility of Lubricating Greases and Fluids

D4290 Test Method for Determining the Leakage Tendencies of Automotive Wheel Bearing Grease Under Accelerated Conditions

D4693 Test Method for Low-Temperature Torque of Grease-Lubricated Wheel Bearings

SAE Standards

SAEJ310 Automotive Lubricating Greases

Keywords

automotive grease categories; automotive service grease; chassis grease; multipurpose automotive grease; NLGI chassis and wheel bearing service classification; NLGI grease classification; wheel bearing grease;


ICS Code

ICS Number Code 75.100 (Lubricants, industrial oils and related products)


DOI: 10.1520/D4950

ASTM International is a member of CrossRef.

ASTM D4950

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