Traders said apart from a weak trend overseas, easing demand from consuming industries at domestic spot market mainly put pressure on copper prices.
Globally, copper for delivery in three-months fell 0.7 per cent to USD 5,661 metric a tonne on the London Metal Exchange in yesterday's trade.
In the national capital, copper mixed scrap was trading down by Rs 3 to Rs 336 per kg.
Following are today's metals' rates (in Rs per kg):
Zinc ingot Rs 100-106, Nickel plate (4x4) Rs 785-795, gun metal scrap Rs 227, Bell metal scrap Rs 229, copper mixed scrap Rs 336, chadri deshi Rs 295.