The C.A. Lawton Co. in Minster, Ohio specializes in gray and ductile iron castings up to 45,000lbs. Capabilities Up to 45,000lbs Gray and ductile castings up to 45,000 pounds. Two 45-ton vertical induction furnaces meet the molten metal requirements, having a combined melt rate of seven tons per hour. Grey and ductile iron capabilities Grey...Continue Reading