ASTM International - ASTM A956/A956M-17a

Standard Test Method for Leeb Hardness Testing of Steel Products

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Organization: ASTM International
Publication Date: 1 November 2017
Status: active
Page Count: 14
ICS Code (Mechanical testing of metals): 77.040.10
significance And Use:

5.1 Hardness of a material is a poorly defined term that may have many meanings depending on the type of test performed and the expectations of the person involved. The Leeb hardness test is of... View More

scope:

1.1 This test method covers the determination of the Leeb hardness of steel, cast steel, and cast iron (Part A), including the methods for the verification of Leeb hardness testing instruments (Part B), and the calibration of standardized test blocks (Part C).

Note 1: The original title of this standard was "Standard Test Method for Equotip Hardness Testing of Steel Products."1

1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.3 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.

1.4 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.

Document History

ASTM A956/A956M-17a
November 1, 2017
Standard Test Method for Leeb Hardness Testing of Steel Products
1.1 This test method covers the determination of the Leeb hardness of steel, cast steel, and cast iron (Part A), including the methods for the verification of Leeb hardness testing instruments (Part...
September 1, 2017
Standard Test Method for Leeb Hardness Testing of Steel Products
1.1 This test method covers the determination of the Leeb hardness of steel, cast steel, and cast iron (Part A), including the methods for the verification of Leeb hardness testing instruments (Part...
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