ASTM A 956 Standard Test Method for Leeb Hardness Testing of Steel Products
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ASTM A 956 Document Information:
Title
Standard Test Method for Leeb Hardness Testing of Steel Products
ASTM International
Publication Date:
Sep 1, 2006
Scope:
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
The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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.
*A Summary of Changes section appears at the end of this standard.
1 This test method is under the jurisdiction of ASTM Committee A01 on Steel, Stainless Steel and Related Alloys and is the direct responsibility of Subcommittee A01.06 on Steel Forgings and Billets.
Current edition approved Sept. 1, 2006. Published September 2006. Originally approved in 1996. Last previous edition approved in 2002 as A 956 – 02.
Leeb and Equotip are registered trademarks used with permission of Proceq SA.
Keywords:
- Leeb
- dynamic hardness test
- Equotip
- rebound hardness test
- Equotip hardness test
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