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The GAlSi9 is valued for:

  • Excellent castability, suitable for large pieces or with significant mass
  • Fine and compact grain, which improves mechanical properties and machined surface quality
  • Compatibility with advanced surface treatments, such as chrome plating, nickel plating, or Nicasil coating
Recommended treatments

To best express its characteristics, the GAlSi9 alloy can undergo T6 heat treatment, which increases its hardness, strength, and dimensional stability.

Elem. Min % Max %
Si 9.00 11.0
Fe - 0.45
Cu - 0.08
Mn - 0.45
Mg 0.25 0.45
Cr - -
Ni - 0.05
Zn - 0.10
Pb - 0.05
Sn - 0.05
Ti - 0.15
Individual impurities - 0.05
Total impurities - 0.15