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ASTM-G171:2024 Edition

ASTM-G171:2024 Edition

$34.13

G171-24 Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus

Published By Publication Date Number of Pages
ASTM 2024
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ASTM G171-24

Active Standard: Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus

ASTM G171

Scope

1.1 This test method covers laboratory procedures for determining the scratch hardness of the surfaces of solid materials. Within certain limitations, this test method is applicable to metals, ceramics, polymers, and coated surfaces. The scratch hardness test, as described herein, is not intended to be used as a means to determine coating adhesion, nor is it intended for use with other than specific hemispherically tipped, conical styli.

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

1.3 This standard may involve hazardous materials, operations, and equipment. 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 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.

Keywords

scratch; scratch hardness; single-point abrasion; stylus;

ICS Code

ICS Number Code 17.040.20 (Properties of surfaces)

DOI: 10.1520/G0171-24

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