Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM B647-84(2006)

Standard Test Method for Indentation Hardness of Aluminum Alloys by Means of a Webster Hardness Gage

Standard Test Method for Indentation Hardness of Aluminum Alloys by Means of a Webster Hardness Gage B0647-84R06 ASTM|B0647-84R06|en-US Standard Test Method for Indentation Hardness of Aluminum Alloys by Means of a Webster Hardness Gage Standard new BOS Vol. 02.02 Committee B07
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Significance and Use

The Webster hardness gage is portable and therefore useful for in situ determination of the hardness of fabricated parts and individual test specimens for production control purposes. It is not as sensitive as Rockwell or Brinell hardness machines; see 10.2.

This test method should be used only as cited in applicable material specifications.


FIG. 1 Webster Hardness Gage, Model B

Scope

1.1 This test method covers the determination of indentation hardness of aluminum alloys with a Webster hardness gage, Model B.

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

Note 1

Two other models, A and B-75, are in use, but are not covered in this test method. Model A does not provide numerical values of hardness and Model B-75 covers only a part of the range of interest for aluminum alloys.

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 and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 02.02
Developed by Subcommittee: B07.05
Pages: 3
DOI: 10.1520/B0647-84R06
ICS Code: 77.120.10