1.1 This practice covers the determination of comparative hardness values by applying the Ultrasonic Contact Impedance Method (UCI Method).1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use.
ASTM
Standard Practice for Portable Hardness Testing by the Ultrasonic Contact Impedance Method
STD-53052
2005
2005-01-01
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