Abrasion-resistant refrigeration-hardenable white cast iron
AssigneeAmax Inc.
InventorsTelfer E. Norman, Douglas A. Stolk
Life of this patent
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Abstract
A tough abrasion-resistant refrigeration-hardenable white cast iron containing as its essential alloying constituents about 2.5% to about 3.5% carbon, about 2.5% to about 3.5% manganese, about 12% to about 22% chromium, about 1% to about 2% silicon, about 1.5% to about 3.0% molybdenum, about 1% to about 2% copper, and the balance iron along with conventional residual elements and incidental impurities present in usual amounts.
Claims7
An abrasion-resistant refrigeration hardenable white cast iron consisting essentially of about 2.5% to about 3.5% carbon, about 12% to about 22% chromium, about 1.5% to about 3.0% molybdenum, about 2.5% to about 3.5% manganese, about 1.0% to about 2.0% copper, about 1% to about 2% silicon, and the balance iron together with incidental impurities and normal residual elements present in the usual amounts.
An abrasion-resistant article in a refrigeration hardened state consisting essentially of about 2.5% to about 3.5% carbon, about 12% to about 22% chromium, about 1.5% to about 3.0% molybdenum, about 2.5% to about 3.5% manganese, about 1.0% to about 2.0% copper, about 1% to about 2% silicon, and the balance iron together with incidental impurities and normal residual elements present in the usual amounts.
Dependencies are inferred from the claim text.