A956-06 Standard Test Method for Leeb Hardness Testing of Steel Products

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Designation: A 956-06 Standard Test Method for Leeb Hardness Testing of Steel Products11. Scope*1.1This test mcthod covers the determination of the Lecbhardness of steel, cast steel. and cast iron (Part A). includingthe methods for the verification of Lecb hardness testinginstruments (Part B). and the calibration of standardized lestblocks (Part C).NoE l—The oeiginal title of this standardl was ""Standard Test Methodfor Equatip Hardness Testing of Steel Products."-"1.2 The values stated in inch-pound units are to be regardedas standard.Thc valucs given in parenthcses are mathematicalconversions to SI units that are provided for infonmation onlyand are not considered standard.1.3 This standard does wor parporr to address all of thesafety concernts.if cnay. associated with is ase. It is therespowsibiliry of the user of this sfaPidard ro establisla appro-priate safety and healrie pracrices cand detersine the appiicce-bility of regulctory limitations prior to use.2.Referenced Documents2.1 A.STM Standards: 2E 691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test Method3. Terminology3.1 Defiirionxs:3.1.1 calibrationr——determination of the values of the

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