Traders attributed the fall in copper prices to a weak global trend where the metal fell for the second time in three days ahead of China's July industrial production and retail sales data to be released tomorrow.
Meanwhile, copper for delivery in three months retreated 0.5 per cent to USD 6,960 a tonne on the London Metal Exchange.
In the national capital, copper mixed scrap shed Rs 2 to Rs 428 per kg.
Following are today's metal rates (in Rs per kg):
Lead ingot 107, Lead imported 105, Aluminium ingots 159, Aluminium sheet cutting 160, Aluminium wire scrap 162 and Aluminium utensils scrap 159.