Copper Costituent In Die Cast Alloy

Basic Aluminum Casting Co.

For over half a century The Basic Aluminum Casting Company has been a privately held, financially solid die casting company with a professional integrity matched by few in today’s industry.diecasting

At The Basic Aluminum Casting Company, we bring quality die casting with delivery and pricing achieved through a sound business organization. Centrally located in Cleveland, Ohio, we’re easily accessible across the Midwest and the entire United States. Occupying over 55,000 square feet at our plant, Basic has serves the transportation and general manufacturing industries and beyond! The Basic Aluminum Casting Company can be best described as an engineering company with one simple trait – creating die cast products  from listening and understanding our customer’s needs.  A strong commitment to that and a focus on quality has enabled us to continue to be one of the best and oldest names in the industry.


Most commercial die cast alloys contain less than 5% copper

Most commercial die cast alloys contain less than 5% copper; up to this level, a solid solution of copper in aluminum is formed on solidification but on further cooling, the CuAl2 compound is precipitated from solution.

Generally copper is added to aluminum alloys to improve strength and hardness: between 2.8 to 5% is necessary to give good response to heat treatment. Lower copper contents have some hardening effect but the alloys are not responive to heat treatment. Corrosion resistance is reduced by copper, and for optimum resistance the copper content should be less than .05%. As copper content increases, there is a gradual increase in corrosion attack.

 

Street, A.C. (1977) The Die Casting Book. Red Hill, England. Portcullis Press, Ltd