Patent ID: 8303892

Claim:
A roll caster shell for casting aluminum material, said shell comprising iron (Fe) alloyed with alloying constituents comprising, in weight percent (%) of said shell, from about 0.20% to less than 0.33% carbon (C), from about 0.8% to about 1.5% chromium (Cr), from about 0.8% to about 1.5% molybdenum (Mo), from about 0.15% to about 0.60% vanadium (V), from about 0.20% to about 0.60% manganese (Mn), from about 0.30% to about 0.70% nickel (Ni), up to about 0.02% phosphorus (P), up to about 0.020% sulfur (S), and up to about 0.40% silicon (Si).