Patents Assigned to Aarrowcast, Inc. - Justia Patents Search

Patents Assigned to Aarrowcast, Inc.

Ferritic ductile cast iron alloys having high carbon content, high silicon content, low nickel content and formed without annealing

Patent number: 7846381

Abstract: Disclosed are methods of making ferritic ductile iron castings (60-40-18) with high toughness (6 ft.lb minimum Charpy V at ?20 F and 10 ft.lb minimum Charpy V at +72 F), without adding Nickel and without annealing.

Type: Grant

Filed: January 29, 2008

Date of Patent: December 7, 2010

Assignee: Aarrowcast, Inc.

Inventor: Cesar Augusto Rezende Braga