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词汇 Iron ore pellets
分类 英语词汇 英语翻译词典
释义

Iron ore pellets

中文百科

铁矿 Iron ore

（重定向自Iron ore pellets）
赤铁矿是巴西主要铁矿石。
铁矿石用于生产炼钢。
Processed taconite pellets with reddish surface oxidation as used in the steelmaking industry, with a US Quarter (diameter: 24 mm (0.96 in)) shown for scale
Evolution of the extracted iron ore grade in different countries (Canada, China, Australia, Brazil, United States, Sweden, USSR-Russia, world). The recent drop in world ore grade is due to the big consumption of low grade Chinese ores. The American ore is upgraded between 61% to 64% before being sold.[6]

铁矿(英文Iron ore)为铁的原料，铁矿系指含铁矿物，可用于提炼单质生铁、炼钢（占98%）等诸多用途。常见铁矿都为铁氧化物，大多呈暗灰色、亮黄色、深紫色或铁锈色。

主要含铁矿物种类及其主要成分：

  • 磁铁矿：Fe3O4
  • 赤铁矿：Fe2O3
  • 褐铁矿：FeO(OH)
  • 钛铁矿：FeTiO3
  • 菱铁矿：FeCO3
  • 黄铁矿：FeS2
英语百科

Iron ore 铁矿

（重定向自Iron ore pellets）
Hematite: the main iron ore in Brazilian mines
This stockpile of iron ore pellets will be used in steel production.
Processed taconite pellets with reddish surface oxidation as used in the steelmaking industry, with a US Quarter (diameter: 24 mm (0.96 in)) shown for scale
Evolution of the extracted iron ore grade in different countries (Canada, China, Australia, Brazil, United States, Sweden, USSR-Russia, world). The recent drop in world ore grade is due to the big consumption of low grade Chinese ores. The American ore is upgraded between 61% to 64% before being sold.[6]

Iron ores are rocks and minerals from which metallic iron can be economically extracted. The ores are usually rich in iron oxides and vary in color from dark grey, bright yellow, deep purple, to rusty red. The iron itself is usually found in the form of magnetite (Fe
3O
4, 72.4% Fe), hematite (Fe
2O
3, 69.9% Fe), goethite (FeO(OH), 62.9% Fe), limonite (FeO(OH).n(H2O)) or siderite (FeCO3, 48.2% Fe).
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