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Pick up the wrong statement?
Mechanical Engineeringmedium
aluminium in steel results in excessive grain growth
Bmanganese in steel induces hardness
Cnickel and chromium in steel help in raising the elastic limit and improve the resilience and ductility
Dtungsten in steels improves magnetic properties and hardenability E. sulphur, phosphorous and lead im¬prove machining properties of steel
Correct Answer: A. aluminium in steel results in excessive grain growth
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