A world made of metal


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How to recycle steel

Since recycling is far more economicallyrecycled materials. Since steel beams are
smart than paying workers to mine the ironmade to be a standard dimension, a small
ore and go through the procedures ofamount of waste is produced while in
production to form new steel which is noconstruction. The little amount that is
better than recycled. This is because whileproduced during construction can be recycled.
recycling no physical properties are lostSteel has advantages over wood in many ways.
during the process and requires far lessA few are stability, quality, and for
energy and materials than if we were toeconomic reasons. A normal 2000 square-foot
refine from iron ore into new steel. Thetwo-level house would use about five to six
annual consumption of energy has been reducedrecycled cars for its steel frame. On the
by more around 75% each year due to theother hand using wood can require up to if
recycling of steel. To understand how muchnot  more  than  40-50  trees.
energy this is, nearly eighteen million homes
could be powered for one whole year. In 2005Each year the demand for steel strengthens.
alone over 76 million tons of steel wasThere is a fair amount of steel that exists
recycled. For each ton of recycled steel,today and most is actively used daily.
630k kilograms of coal, 55kg of limestone,However, recycled steel has to be augmented
and  1,100kg  of  iron  ore  is  saved.by a "first-use" metal, extracted from raw
materials. Automobiles, cans, appliances are
In the past years, about 75% of all produceda few of the more common steels recycled
steel has been recycled. Most industrialdaily. Typical automobiles are roughly 66%
steel such as structural plates and beams areiron and steel and appliances are a smaller
recycled 97.5% of the time in 2004 and 2005.amount lower at 65% steel by weight.
For other varieties of steel elements likeRecycling the steel usually happens through
reinforcement bars the recycling rate is athe interlaced steel mills and the standard
bit lower at 65%. Due to this high recycleoxygen routine. Most steel is normally
rate most structured steel usually containselectrically melted by a furnace or for high
about 95% recycled content. Lighter, flatalloyed products a furnace for induction is
rolled steel only contains roughly 30%used.



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