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JIS B 7730

10th Edition, August 20, 2010

Complete Document

Rockwell hardness test - Calibration of reference blocks

Includes all amendments and changes through Reaffirmation Notice , October 20, 2015


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Product Details:

  • Revision: 10th Edition, August 20, 2010
  • Published Date: October 20, 2015
  • Status: Active, Most Current
  • Document Language: English
  • Published By: Japanese Standards Association (JSA)
  • Page Count: 20
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Standard specifies a method for calibration of reference blocks of scales A, B, C, D, E, F, G, H, K, N, and T, to be used for the indirect verification and daily checks and maintenance of Rockwell hardness testing machines (hereafter referred to as the "reference blocks") in accordance with JIS B 7726.

NOTE: The International Standard corresponding to this Standard and the symbol of degree of correspondence are as follows.

ISO 6508-3 : 2005 Metallic materials - Rockwell hardness test - Part 3: Calibration ofreference blocks (scales A, B, C, D, E, F, G, H, K, N, T) (MOD)

The symbols which denote the degree of correspondence in the contents in the corresponding International Standard and JIS are IDT (identical), MOD (modified) and NEQ (not equivalent) according to ISO/IEC Guide 21-1.