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  2. Metal prices - Wikipedia

    en.wikipedia.org/wiki/Metal_prices

    Industrial metals include aluminium alloy, aluminium, copper, lead, nickel, tin, zinc, cobolt, iron ore and Nasaac (North American special aluminium alloy) are exchange traded commodities and are normally priced by the metric ton. Other metals include bismuth, selenium, tellurium, and many others including rare earth metals are traded directly ...

  3. Burnup - Wikipedia

    en.wikipedia.org/wiki/Burnup

    In nuclear power technology, burnup is a measure of how much energy is extracted from a given amount of nuclear fuel [1].It may be measured as the fraction of fuel atoms that underwent fission in %FIMA (fissions per initial heavy metal atom) [2] or %FIFA (fissions per initial fissile atom) [3] as well as the actual energy released per mass of initial fuel in gigawatt-days/metric ton of heavy ...

  4. Tonne - Wikipedia

    en.wikipedia.org/wiki/Tonne

    A metric ton unit (mtu) can mean 10 kg (22 lb) within metal trading, particularly within the United States. It traditionally referred to a metric ton of ore containing 1% (i.e. 10 kg) of metal. [20] [21] The following excerpt from a mining geology textbook describes its usage in the particular case of tungsten:

  5. Ton - Wikipedia

    en.wikipedia.org/wiki/Ton

    Harbour ton, used in South Africa in the 20th century, was equivalent to (2,000 pounds (907 kg)) or 1 short ton. Assay ton (abbreviation 'AT') is not a unit of measurement but a standard quantity used in assaying ores of precious metals. A short assay ton is approximately 29.17 g (1.029 oz) and a long assay ton is approximately 32.67 g (1.152 oz).

  6. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.

  7. TNT equivalent - Wikipedia

    en.wikipedia.org/wiki/TNT_equivalent

    TNT equivalent is a convention for expressing energy, typically used to describe the energy released in an explosion.The ton of TNT is a unit of energy defined by convention to be 4.184 gigajoules (1 gigacalorie), [1] which is the approximate energy released in the detonation of a metric ton (1,000 kilograms) of TNT.

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  9. List of countries by iron ore production - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_iron...

    Pig Iron production (million metric tons) Rank Country 1980 2013 2015 World: 506: 1,168: 1,180 1: China: 38: 709: 710 2: ... List of countries by steel production ...