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Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 3 (Q.No. 31)
Engineering Materials
31.
Duralumin contains
3.5 to 4.5% copper, 0.4 to 0.7% magnesium, 0.4 to 0.7% manganese and rest aluminium
3.5 to 4.5% copper, 1.2 to 1.7% managanese, 1.8 to 2.3% nickel, 0.6% each of silicon, magnesium and iron, and rest aluminium
4 to 4.5% magnesium, 3 to 4% copper and rest aluminium
5 to 6% tin, 2 to 3% copper and rest aluminium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Ashok saini said:   8 years ago
DURALIUM.

cu -3.5 to 4.5 %.
mg-0.4 to 0.7%.
mn- 0.4 to 0.7 %.
al -94 %.
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