ASTM-B294 Standard Test Method for Hardness Testing of Cemented Carbides

ASTM-B294 - 2022 EDITION - CURRENT
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Standard Test Method for Hardness Testing of Cemented Carbides
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Scope

1.1 This test method covers the hardness testing of cemented carbides by use of the Rockwell hardness tester with the Rockwell A scale (diamond indenter and 588.4 N (60 kgf) load) in the range of Rockwell A80 and above. Also covered are the procedures for the testing and selection of diamond indenters, the management and traceability of the four levels of standard test blocks, the acquisition of secondary standard test blocks, and the making and calibration of working standard test blocks.

1.2 The Rockwell hardness tester is a convenient and reliable means of measuring the hardness of cemented carbides. A hardness value is obtained easily, but it is subject to considerable error unless certain precautions are observed.

1.3 Test Methods E18 shall be followed except where otherwise indicated in this test method.

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

1.5 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.

Keywords

cemented carbides; hardness; indenters; Rockwell hardness test; Scale A; test blocks; ICS Number Code 77.040.10 (Mechanical testing of metals)

To find similar documents by ASTM Volume:

02.05 (Metallic and Inorganic Coatings; Metal Powders and Metal Powder Products)

To find similar documents by classification:

77.040.10 (Mechanical testing of metals Mechanical testing in general, see 19.060 Mechanical testing of welded joints, see 25.160.40)

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Document Number

ASTM-B0294-22

Revision Level

2022 EDITION

Status

Current

Modification Type

Reapproval

Publication Date

March 22, 2022

Document Type

Test Method

Page Count

10 pages

Committee Number

B09.06