Ageing of steel refers to the

1.	Ageing of steel refers to the
A.	degradation of steel by corrosion.
B.	failure of steel structure by overstress-ing.
C.	return of sharp yield point in temper rolled low carbon sheet after a period of time.
D.	decarburisation of steel by overheating.
Answer» D. decarburisation of steel by overheating.

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Ageing of steel refers to the

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