Which of the following is not a nickel based alloy ?
Correct answer: D. Babbitt metal
- A. Inconel
- B. Hastelloys
- C. Nimonics
- D. Babbitt metal
Explanation
Babbitt metal is generally a tin- or lead-based bearing alloy containing antimony and copper, so it is not nickel-based. Inconel, Hastelloys, and Nimonics are established nickel-base alloy families.
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