Metallic materials - Charpy pendulum impact test - Part 3: Preparation and characterization of Charpy V-notch test pieces for indirect verification of pendulum impact machines (ISO 148-3:2008)
ISO 148-3:2008 covers the requirements, preparation and methods for qualifying test pieces used for the indirect verification of pendulum impact testing machines in accordance with ISO 148-2.ISO 148-3:2008 specifies notched test pieces with nominal dimensions identical to those specified in ISO 148-1 however, the tolerances are more stringent.
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