Ellwood Specialty Steel has material in stock for immediate delivery to meet your need for replacement forge hammer rods. This quenched and tempered alloy steel is ideal for a rugged, demanding application and offers: Rockwell hardness of HRc 38-42; manufactured with clean steel melting practice; heavy forge reduction guarantees sound centers; impact toughness and hardness levels for maximum fatigue resistance; rough turned diameters with tolerance ready for finishing; diameters available from 6 to 20 inches.