| HARDNESS | |||
| TEMPER | PERCENT | BROWN& SHARP | DIAMOND POINT |
| REDUCTION | No. HARD | HARDNESS CDA 425 | |
| 1/4 | 10.7 | 1 | 115 |
| 1/2 | 20.7 | 2 | 140 |
| 3/4 | 29.4 | 3 | 155 |
| FULL or HARD | 37.1 | 4 | 170 |
| 44.1 | 5 | ||
| EXTRA HARD | 50.1 | 6 | 180 |
| 56.2 | 7 | ||
| SPRING HARD | 60.5 | 8 | 190 |
| 65.1 | 9 | ||
| EXTRA SPRING HARD | 68.6 | 10 | |
| 72.1 | 11 | ||
| SPECIAL SPRING HARD | 75.1 | 12 | |
| 77.5 | 13 | ||
| SUPER SPRING HARD | 80.3 | 14 | |
| .925 SILVER | 14 KARAT | 10 KARAT | |
| WEIGHT / CUBIC INCH | 5.457 | 6.852 | 6.058 |
| IN OUNCES | |||
| WEIGHT / CUBIC INCH | 169.7127 | 213.0972 | 188.4038 |
| IN GRAMS | |||
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