ASTM E448 PDF

Standard Practice for Scleroscope Hardness Testing of Metallic Materials (Withdrawn 2017)

ASTM E448 – Standard Practice for Scleroscope Hardness Testing of Metallic Materials (Withdrawn 2017)

1.1 This practice covers the determination of the Scleroscopehardness of metallic materials (Part A), the verification of Scleroscope hardness instruments (Part B), and the calibration of standardized hardness test blocks (Part C).

1.2 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.

1.3 This standard does not purport to address all of the safety problems, 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.