The global production of steel is in the range of 1400M tons, worth nearly €1trillion. The steel demand in Europe in 2011 was estimated to be 145M tons, of which 39M tons p.a. for the construction sector and 16M tons p.a. for structural steel. Most of this steel is carbon or mild steel (as opposed to stainless steel) which corrodes at a high rate and although there are a significant number of anti ...