aisi 4340 round bar
aisi 4340 round bar an strength steel classified a medium-carbon, low-alloy steel.
aisi 4340 round bar has high strength, creep resistance, ductility, toughness,and fatigue resistance relative to most other steels.
aisi 4340 round bar is high degrees of hardenability are achievable in the alloy, with HRC hardnesses ranging from 24 to 53 depending on the heat treatment.
