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ASTM B294

Standard Test Method for Hardness Testing of Cemented Carbides

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Organization: ASTM
Publication Date: 1 November 2017
Status: active
Page Count: 10
ICS Code (Mechanical testing of metals): 77.040.10
scope:

This test method covers the hardness testing of cemented carbides by use of a Rockwell hardness tester performing tests in the Rockwell HRA scale (regular scale, diamond indenter, 10 kgf (98.07 N) preliminary test force, and 60 kgf (588.4 N) total test force in the range of Rockwell 80 HRA and above. Also covered are the procedures for the testing and selection of diamond indenters, the management and traceability of the four levels of standardized test blocks, and the making and calibration of Primary, Secondary, and Working standardized test blocks. 

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. 

The latest version of Test Methods E18 shall be followed except where otherwise indicated in this test method. 

The values stated in SI units are to be regarded as standard except that force and length values associated with the Rockwell hardness testers will comply with E18 with force values specified as N (kgf) and indenter length values specified as mm. 

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. 

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

*A Summary of Changes section appears at the end of this standard

Document History

ASTM B294
November 1, 2017
Standard Test Method for Hardness Testing of Cemented Carbides
This test method covers the hardness testing of cemented carbides by use of a Rockwell hardness tester performing tests in the Rockwell HRA scale (regular scale, diamond indenter, 10 kgf (98.07 N)...
May 1, 2010
Standard Test Method for Hardness Testing of Cemented Carbides
This test method covers the hardness testing of cemented carbides by use of a Rockwell hardness tester performing tests in the Rockwell HRA scale (regular scale, diamond indenter, 10 kgf (98.07 N)...
January 15, 1992
Standard Test Method for Hardness Testing of Cemented Carbides
1. 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...
January 15, 1992
Standard Test Method for Hardness Testing of Cemented Carbides
Scope 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...
January 15, 1992
Standard Test Method for Hardness Testing of Cemented Carbides
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...
January 15, 1992
Standard Test Method for Hardness Testing of Cemented Carbides
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...
May 30, 1986
STANDARD METHOD FOR HARDNESS TESTING OF CEMENTED CARBIDES
A description is not available for this item.
September 24, 1976
STANDARD METHOD FOR HARDNESS TESTING OF CEMENTED CARBIDES (R 1982)(E1-1985)
A description is not available for this item.

References

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