Aluminum Alloy Castings

We are offering aluminum alloy castings. aluminum can be ‘cast’ by every process used in metal casting. These processes, in descending order of quantity of aluminum casting are: die casting, permanent mold casting, sand casting, plaster casting, investment casting, and continuous casting. The casting process is selected based on factors such as cost, feasibility, quality of parts, etc. Quality refers to both, mechanical properties (ductility and strength) and soundness (surface imperfections, cracking, and freedom from porosity). Die casting alloy selection requires evaluation not only of physical and mechanical properties, and chemical composition, but also of inherent alloy characteristics and their effect on die casting production as well as possible machining and final surface finishing. Surface treatment systems are applied to aluminum die castings to provide a decorative finish, to a protective barrier against environmental exposure, and to improve resistance to wear. Decorative finishes can be applied to aluminum die-castings through painting, anodizing, chromatin, and iridite coatings. Aluminum alloy castings are dedicatedly designed by the experts, using advanced machines and tools. Specific design alloy casting can be providing as per the customer’s requirements. Aluminum alloy castings are of high quality and are available at market leading prices.
permanent mold casting aluminum alloys
permanent mold casting is best suited for high-volume production. Their size is larger than die castings. These castings have a very low pouring rate. They are gravity-fed. Outstanding mechanical properties are exhibited by permanent mold castings. There is a lot of scope for further improvement if they are given heat treatment.
sand casting aluminum alloys
this type of casting involves formation of casting mold (with sand). It is inclusive of conservative sand casting & lost-foam casting. The first one involves forming a pattern of sand, pouring the molten metal into it and breaking it once the product is formed. Lost-foam pattern involves putting a dispensable pattern of polystyrene in the mold.
die casting aluminum alloys
the die castings of aluminum alloys are generally produced using aluminum -silicon-copper alloys. This alloy family gives an excellent combination of corrosion resistance, good dimensional stability, lightweight, strength and cost, along with respite from ‘hot shortness’ and high fluidity which are mandatory for easy casting. If one desires a better resistance to corrosion, he should make use of alloys having a lower copper content.