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hard anodised vs forged aluminum (non-mech student)

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I am researching about kitchen utensils and the metals they use. Aluminium is known to react with acidic food (tomatoes, vinegar etc). Manufactures now use hard anodised/forged/pressed aluminium. I am not a mechanical engineer but I'd like to understand the differences between the two :- 

1. Which one is stronger? 

2. Is forged non-reactive with acidic food? 

3. Are any scratch resistant? I know forged generally is and hard anodised is not perfectly scratch resistant. 

4. Anything else?

Thank you in advance

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