Multiple choice

Which of the following wrought aluminium alloys contain gallium?

  1. Alloy 7178

  2. Alloy 7116

  3. Alloy 3003

  4. Alloy 1050

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Alloy 7116 is composed of 93.87-95.17% Al, 0.15% Si, 0.3% Fe, 0.5-1.1% Cu, 0.05% Mn, 0.8-1.4% Mg, 4.2-5.2% Zn, 0.05% V, 0.05% Ti and 0.03% Ga.

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