Alloying elements present in Haynes stellite, which has superior performance than high speed steel, are____________________?
Correct answer: A. Tungsten, chromium & cobalt
- A. Tungsten, chromium & cobalt
- B. Nickel, cobalt & chromium
- C. Manganese, chromium & cobalt
- D. Tungsten, molybdenum & nickel
Explanation
Stellite alloys are cobalt-based hard-facing alloys whose important alloying elements include chromium and tungsten. These additions provide hot hardness, wear resistance and corrosion resistance superior to ordinary high-speed steel in demanding service.
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