Varies from Vickers (HV), Brinell (HB), or Rockwell (HRC) depending on the class, with minimums to ensure proper load-bearing capacity.
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This reflects a broader trend: technical standards are publicly developed yet privately sold by standards organizations (e.g., JSA, ISO, ANSI), creating tension between open access and funding models. Varies from Vickers (HV), Brinell (HB), or Rockwell
This standard is largely harmonized with the international standard ISO 898-1 . Varies from Vickers (HV)