the iron ore line swedish: malmbanan is a 398-kilometre 247 mi long railway line between riksgränsen and boden in norrbotten county, sweden. the line contains two branches, from kiruna to svappavaara and from gällivare to koskullskulle.
a slurry pipeline is a specially engineered pipeline used to move ores, such as coal or iron, or mining waste, called tailings, over long distances. a mixture of the ore concentrate and water, called slurry, is pumped to its destination and the water is filtered out. due to the abrasive properties of slurry, the pipelines can be lined with high-density polyethylene, or manufactured completely from hdpe pipe, although this requires a very thick pipe wall. slurry pipelines are used as an alternati
the puddling process of smelting iron ore to make wrought iron from pig iron, the right half of the illustration not shown displays men working a blast furnace, tiangong kaiwu encyclopedia published in 1637, written by song yingxing 1587–1666 .
in hisarna ironmaking process, iron ore is processed almost directly into liquid iron or hot metal. the process is based around a type of blast furnace called a cyclone converter furnace, which makes it possible to skip the process of manufacturing pig iron pellets that is necessary for the basic oxygen steelmaking process.
in april 2008, fortescue metals group opened a line from cloud break mine to port hedland. in november 2015, hancock prospecting will open a 344 kilometre line from roy hill. as at early 2014, iron ore trackage in the pilbara was 2,295 kilometres long. it accounted for 94% of all australian iron ore exports.
the railway's 240-wagon iron ore trains are amongst the heaviest trains in the world, the 1,435 mm 4 ft 8 1 ⁄ 2 in standard gauge heavy haul railway is used by 35,200-tonne 34,644-long-ton; 38,801-short-ton trains up to 2.5 kilometres 1.6 mi long carrying 29,000 tonnes 28,542 long tons; 31,967 short tons of ore at 40-tonne 39-long-ton; 44-short-ton axleload the weight of the two 4,000-horsepower 3.0 mw engines is extra . the railway is available to other miners for a fee.