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ASTM A833-08

Historical Revision

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

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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.

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.

SDO ASTM: ASTM International
Document Number A833
Publication Date March 1, 2008
Language en - English
Page Count 3
Revision Level 08
Supercedes
Committee A01.06
Publish Date Document Id Type View
Nov. 1, 2019 A0833-19 Revision
Nov. 1, 2017 A0833-17 Revision
Nov. 1, 2008 A0833-08A Revision
March 1, 2008 A0833-08 Revision
Oct. 4, 1984 A0833-84R01 Revision
Oct. 1, 2014 A0833-08AR14 Reaffirmation
Oct. 4, 1984 A0833-84R96 Reaffirmation