Aluminum-based die casting alloys

Metal treatment – Compositions – Heat treating

Patent

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75146, C22C 2106

Patent

active

043459536

ABSTRACT:
An aluminum-based die casting alloy for producing high strength, crack free die castings, comprising 4-8% Zn, 6-11% Mg, 0.05-0.45% Ti and/or Zr if desired, and the balance aluminum. In one embodiment, the die casting alloy may further comprise 0.3-2.0% Fe to prevent the die casting alloy in the molten state from eroding the gate and its neighborhood of a die during casting in the die.

REFERENCES:
patent: 4081294 (1978-03-01), Thompson et al.

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