Can A36 Steel be hardened

A36 steel is a low-carbon structural steel that is not typically hardened through heat treatment due to its composition. However, it can be surface-hardened through processes like carburizing or nitriding, which enhance its wear resistance. While it can be strengthened through cold working, the overall hardness increase is limited compared to higher carbon steels. Thus, while A36 steel can be modified for improved hardness, it is not designed for significant hardening.