Here's one place you can keep track of different prices, might be closer to your prices than some here in the states.
London Metal Exchange
Here's a couple of US locations and prices for comparison; Scrap Metal Prices,Recycling News,Scrap Buyers,Metal Recycling,Scrap Yard,Buy Offer,RG Steel Prices|Scrap Monster



Scrap Metal Prices | Iron Mike Enterprises

Good luck with your endeavor.