Traders said a weak trend overseas amid investor worries over a recent spate of data that showed China's economy cooled in October, mainly weighed on copper prices.
Globally, copper for three-month delivery fell 0.3 per cent to USD 6,753 per tonne on the London Metal Exchange.
In the national capital, copper mixed scrap declined by Rs 2 to Rs 382 per kg.
Following are today's metal rates (in Rs per kg):
Zinc ingot Rs 116-122, Nickel plate (4x4) Rs 767-777, gun metal scrap Rs 227, Bell metal scrap Rs 229, copper mixed scrap Rs 382, chadri deshi Rs 295.