Popular Die Cast Alloys In Today’s Die Cast Industry. In past history, tin and lead were the preferred metals in the die casting procedure. These die casting alloys were utilized to mold many materials, but their use decreased in the early 1900’s when aluminum and zinc came into the scene. In the years that ensue, die casting alloys in the form of copper and magnesium became extensively utilized as soon as these metals became more available to the die casting industry.

Die casting has arrived far beyond the original procedure of utilizing low pressure injection techniques. Today, die casting alloys are forced into molds, or “dies”, via very high pressures that surpass 4000 lbs making parts like aluminum hardware. for every square inch. These die casting methods run from squeeze casting all the way to semi-solid casting. The contemporary die casting methods used today create quality metal products that exhibit superb integrity, and highly smooth surface finishes.

Currently, aluminum, copper and zinc are the alloys for die casting. Aluminum tops the list, although it is most often alloyed with highly-fluid silicon material to avert reduction and fracturing owing to high temperatures. Manufacturers also favor the use of copper due to the rigidity of the material, its non-corrosiveness, and its condensed ductility. On the other hand, die cast material created of zinc can be manufactured with thinner walls and molded to closer tolerances due to its fluidity and its ability to melt with no trouble in very high temperatures. When alloyed to aluminum, it fabricates greater strength and inflexibility to the completed die cast part.

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