Bahan | Besi cor |
---|---|
Twin Rockwell | Kekerasan Dangkal Rockwell & Rockwell Biasa |
Total kekuatan uji | 147.1N (15kgf), 294.3N (30kgf), 441.3N (45kgf) |
Timbangan | HR15N, HR30N, HR45N, HR15T, HR30T, HR45T, HR15W, HR30W, HR45X, HR30X, HR45X, HR45X, HR15Y, HR30Y, HR |
Standar menurut | ISO 6508-2, ASTM E18 |