This practice covers the determination of the Scleroscope<(hoch)2> hardness of metallic materials (Part A), the verification of Scleroscope hardness instruments (Part B), and the calibration of standardized hardness test blocks (Part C). The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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.
ANSI/ASTM E448:1982 history
1982ANSI/ASTM E448:1982 Practice for Scleroscope Hardness Testing of Metallic Materials