Material | ferro fundido |
---|---|
Rockwell gêmeo | Dureza superficial regular de Rockwell & de Rockwell |
Força total do teste | 147.1N (15kgf), 294.3N (30kgf), 441.3N (45kgf) |
Escalas | HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45W, HR15X, HR30X, HR45X, HR15Y, HR30Y, HR |
Padrões de acordo com | ISO 6508-2, ASTM E18 |