AUS-6 is a simple Japanese middle-grade steel that no longer plays much of a role on the market – with very few exceptions. It is at the performance level of 440B.

Origin: Japan
Carbon (%): 0,55-0,65
Chrome (%): 13-14,5
Vanadium (%): 0,1-0,25
Manganese (%): 1
Silicon (%): 1
Rockwell (HRC): 56-57