Traders said sentiments turned bearish after copper dropped in the overseas markets on signs of slowing demand in China, the biggest consumer.
Meanwhile, copper for delivery in three months retreated 0.5 per cent to USD 6,848 a tonne on the London Metal Exchange.
In the national capital, copper mixed scrap and zinc ingot declined by Rs 2 each to Rs 443 and Rs 111-117, while lead ingot and lead imported enquired lower by the same margin to Rs 117 and Rs 115 per kg, respectively.
Zinc ingot 111-117, nickel plate (4x4) 1,094-1,100 gun metal scrap 227, bell metal scrap 229, copper mixed scrap 443, chadri deshi 285.
Lead ingot 117, lead imported 115, aluminium ingots 152, aluminium sheet cutting 153, aluminium wire scrap 155 and aluminium utensils scrap 152.