Anh
hardness testing
hardenability test
hardness test
Đức
Härtemessung
Härteprüfung
Pháp
essai de dureté
hardenability test,hardness testing,hardness test /TECH/
[DE] Härteprüfung
[EN] hardenability test; hardness testing, hardness test
[FR] essai de dureté