HIGH STRENGHT ALLOY FEATURING AT THE SAME TIME HIGH TOUGHNESS, APPLICATION OF SUCH ALLOY AND STRUCTURAL ELEMENT MADE OF SUCH ALLOY

摘要

Steel alloy contains (in wt.%) 0.20-0.26 C, 1.10-1.40 Mn, 0.90-1.20 Ni, 0.50-0.60 or 0.70-0.90 Mo, 0.40-0.70 Cr, maximum 0.020 P, maximum 0.20 S, 0.02-0.05 Al, micro-alloying elements selected from V, Ti and Nb, and a balance of Fe. An independent claim is also included for a component made from the steel alloy.