Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM A833-08

Standard Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers

Standard Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers A0833-08 ASTM|A0833-08|en-US Standard Practice for Indentation Hardness of Metallic Materials by Comparison Hardness Testers Standard new BOS Vol. 01.05 Committee A01
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Significance and Use

The comparative hardness test is an empirical dynamic indentation hardness test. Comparative hardness tests provide useful information about metallic materials. This information may correlate to tensile strength, wear resistance, ductility, heat treatment condition, or other physical characteristics of metallic materials, and may be useful in quality control and selection of materials.

Comparative hardness testing at a specific location on a part may not represent the physical characteristics of the whole part or end product.

Scope

1.1 This practice covers the determination of indentation hardness of metallic materials using comparison hardness testers.

1.2 This practice applies only to those comparison hardness testers, normally portable, that use comparative test bars that have been standardized according to Test Method E 10 as a basis for comparison.

1.3 Calibration of comparative test bars (rods), used for comparison to determine hardness numbers, is also covered by this practice.

1.4 The impression force used during comparison hardness testing is normally an impact load applied by striking a hammer on the appropriate areas as outlined in the manufacturer's instructions.

1.5 This standard does not purport to address all of the safety problems, 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.

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Details
Book of Standards Volume: 01.05
Developed by Subcommittee: A01.06
Pages: 3
DOI: 10.1520/A0833-08
ICS Code: 77.040.10