Steel facts
STEEL Steel cans ready to crush Steel is the most recycled metal in the UK and the world Steel was first used to can food in the early 19th century in France to preserve food for Napoleon's army Food cans are usually steel - if it looks like a bean can it is almost always steel Drinks cans can be either aluminium or steel - some canning operations have two sets of machinery side by side and switch between aluminium and steel depending on the current prices of the two metals Sorting steel works well on automated recycling operations because it's the only common metal that's magnetic so it's easy for machines to separate it from other waste. Most cars include recycled steel Crushed and baled steel isn't worth as much as aluminium. Prices for both change all the time but generally steel brings in a quarter of the price of aluminium Steel is an alloy which means it is made by combining several substances - the main ones are iron and carbon Indian metal workers in 400BC were the first to produce steel Today China is the world's biggest producer of steel