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Full Description

JIS B 7730:2017 specifies a method for calibration of reference blocks of scales A to H, K, N, and T, to be used for the indirect verification and daily checks and maintenance of Rockwell hardness testing machines specified in JIS B 7726 (hereafter referred to as reference blocks).
 

Document History

  1. JIS B 7730:2017

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    Rockwell hardness test -- Calibration of reference blocks

    • Most Recent
  2. JIS B 7730:2010


    Rockwell hardness test -- Calibration of reference blocks (Foreign Standard)

    • Historical Version
  3. JIS B 7730:1997


    Rockwell hardness test -- Calibration of reference blocks

    • Historical Version