Research Report RR:E28-1021

    An interlaboratory study was conducted by fourteen laboratories which tested six materials to establish the precision statement of test method E18.

    Published: January 2008

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    Related Standards

    E18-17e1 Standard Test Methods for Rockwell Hardness of Metallic Materials

    Committee E28 on Mechanical Testing

    Subcommittee E28.06 on Indentation Hardness Testing