The slowing growth in China is reducing growth and depreciating the currencies of iron ore producing countries Brazil and Australia. China makes 50% of the world's steel and imports 1.2 billion tons of iron ore traded annually. Australia exports 80% of its iron ore to China valued at $67 billion in 2013. Brazil sends 50% of production to China. For the first time in 15 years China's steel use declined 0.3% to 500 million tons in the Jan-Aug. 2014 period. The mining companies have invested heavily in ports and railroads for expanded production. BHP CEO Mackenzie says the strategy is to maximize production because reducing production increases costs on a unit basis. The result is a decline in price from $135 a ton at the beginning of 2014 to $69.80 on Nov. 28, 2014. Prices could decline to the $50 range in 2015, according to Citigroup analysts, because of an estimated iron ore surplus of 300 million tons by 2018. As China expands recycling of older cars and washing machines to produce steel this will reduce future iron ore demand in China. JP Morgan forecast for Australia reduces GDP growth to 2.8% from 3.3% for 2015, and Brazil reduced its forecast for 2015 to 0.9% from 1.8%....