However, other base metals held steady in restricted deals.
Traders said fall in demand from consuming industries and reports of a weak global trend mainly led to the decline in copper prices.
In the national capital, prices of copper mixed scrap shed Rs 2 to Rs 405 per kg.
Following are today's metal rates (in Rs per kg):
Zinc ingot 114-120, Nickel plate (4x4) 1,087-1,093, Gun metal scrap 227, Bell metal scrap 229, Copper mixed scrap 405, Chadri deshi 285.