en

RA

3 abbreviation

Terminological databases

Materjalitehnika terminibaas

ID 671539 Last modified 11.01.2026
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Domain strength of materials
  • kõvaduse näitaja Rockwelli järgi, määratuna teemant- või kõvasulamkoonuse materjali sisse surumisega jõuga 588 N (60 kgf), A-skaala (vrd HRB, HRC)
  • the Rockwell hardness measured by indentation of diamond or hardmetal cone into a material with load of 588 N (60 kgf), scale A (compare: HRA, HRC)
HRA abbreviation
HRA abbreviation
RA abbreviation

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