Here is a listing of the hardness of various rifle cases, on the Rockwell B scale. This was new, never-fired brass.
.30-06 Cartridge Case Hardness Rockwell B Scale | |
---|---|
(Federal) American Eagle | 87 |
Dynamit Nobel-RWS (Germany) | 82 |
Eldorado (PMC) | 86 |
Federal | 87 |
Hornady | 87 |
IMI (Israel) | 88 |
Lapua (Finland) | 86 |
Norma (Sweden) | 90 |
PMC (Eldorado) | 85 |
PMC (Korea) | 87 |
Remington | 93 |
Sako (Finland) | 86 |
Speer Nitrex | 88 |
Winchester | 88 |