Question

How can I change properties like hardness, without changing the composition (say of 0.8% C steel)

Answer 1

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Answer 2

Hey dear,
This seems to be a question from material science and engineering.

● How to change hardness of alloy without changing composition -
- Heat treatment is widely popular option to change properties of alloys like hardness, ductility, tensile strength, etc without changing their primary composition.
- For example, we can make steel more hard/soft simply by changing its heat treatment.

Hope this helps you...