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ASTM D 2596 : 2026

Current

Current

The latest, up-to-date edition.

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

Available format(s)

PDF

Language(s)

English

Published date

01-03-2026

€53.26
Excluding VAT

Committee
D 02
DocumentType
Test Method
Pages
6
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This test method covers the determination of the load-carrying properties of lubricating greases. Three determinations are made:

1.1.1Load-Wear Index (formerly called Mean-Hertz Load),

1.1.2Weld Point, by means of the Four-Ball Extreme-Pressure (EP) Tester, and

1.1.3Last nonseizure load (LNSL).

1.2The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.

1.3This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4This 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.

ASTM F 2489 : 2006 : R2022 Standard Guide for Instrument and Precision Bearing Lubricants—Part 2 Greases
ASTM D 4950 : 2022 Standard Classification and Specification for Automotive Service Greases
ASTM D 2783 : 2025 Standard Test Method for Measurement of Extreme-Pressure Properties of Lubricating Fluids (Four-Ball Method)
ASTM D 8324 : 2021 Standard Guide for Selection of Environmentally Acceptable Lubricants for the U.S. Environmental Protection Agency (EPA) Vessel General Permit
ASTM D 6185 : 2024 Standard Practice for Evaluating Compatibility of Binary Mixtures of Lubricating Greases

ASTM D 4175 : 2024 : EDT 2 Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants

€53.26
Excluding VAT