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Preheating of scrap material in steel making process can increase the overall productivity.

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in Casting-Forming-Welding II by (119k points)
Preheating of scrap material in steel making process can increase the overall productivity.

(a) True

(b) False

I had been asked this question during an interview.

This intriguing question originated from Melting of Steel and Stainless Steel topic in division Foundry Introduction & Materials of Casting-Forming-Welding II

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by (701k points)
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Best answer
Right option is (a) True

For explanation I would say: The energy required for steel making in the electric vessel is mainly for the melting down of scrap material. Preheating of scrap material can reduce the energy requirement which further reduces the time in making of steel that can directly increase the overall productivity. Other advantages include decrease in electrode consumption and the refractory wear.

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