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Rockwell A scale hardness

1

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Materjalitehnika terminibaas

ID 671539 Last modified 03.07.2026
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Domain strength of materials
Rockwelli A skaala kõvadus preferred
HRA
Rockwell A scale hardness preferred
HRA
твердость по шкале А Роквелла preferred
HRA
  • kõvadus 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: HRB, HRC)
Rockwelli A skaala kõvadus preferred
HRA abbreviation
Rockwell A scale hardness preferred
HRA abbreviation
твердость по шкале А Роквелла preferred
HRA abbreviation

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