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Spiegeleisen (5978 views - Material Database)

Spiegeleisen (literally "mirror-iron", German: Spiegel—mirror or specular; Eisen—iron) is a ferromanganese alloy containing approximately 15% manganese and small quantities of carbon and silicon. Spiegeleisen is sometimes also referred to as specular pig iron, Spiegel iron, just Spiegel, or Bisalloy.
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Spiegeleisen

Spiegeleisen

Spiegeleisen

Spiegeleisen (literally "mirror-iron", German: Spiegelmirror or specular; Eiseniron) is a ferromanganese alloy containing approximately 15% manganese and small quantities of carbon and silicon. Spiegeleisen is sometimes also referred to as specular pig iron, Spiegel iron, just Spiegel, or Bisalloy.

Usage

Historically, this was the standard form in which manganese was traded and used in steel making. Manganese is useful in steel manufacture because it binds with phosphorus, sulfur, and silica, removing them (to a degree) from the iron. It was much used in conjunction with the Bessemer process both to introduce carbon and manganese, and also to reduce impurities.[1][2]

Manufacture

In the 19th century spiegeleisen was made either by mixing iron ores with appropriate levels of manganese and smelting them directly, or by adding pyrolusite or manganite to previously smelted iron in a cupellation furnace[1]

Today, manganese is usually traded and used in more concentrated form, 80% manganese content being typical.

See also


AlGaAlnicoAluminioAleaciones de aluminioBronce de aluminioAluminium-lithium alloyArsenical bronzeArsenical copperMetal de campanaBerilioBeryllium copperVellón (aleación)BirmabrightBismanolBismutoLatónBronceCalamine brassFundición de hierroChinese silverCromoChromium hydrideCobaltoColored goldConstantánCobreCopper hydrideCopper–tungstenCorinthian bronzeCrown goldCunifeCuproníquelCymbal alloysDevarda's alloyDuraluminioDutch metalElectro (aleación)ElinvarFernicoFerroalloyFerrocerioFerrocromoFerromanganeseFerromolybdenumFerrosiliconFerrotitaniumFerrouraniumMetal de FieldFlorentine bronzeGalfenolGalinstanoGalioGilding metalVidrioGlucydurOroGuanín (bronze)GunmetalHepatizonHiduminiumHydronaliumIndio (elemento)Acero bulatAcero de crisolAcero 41xxAcero de DamascoMangalloyAcero rápidoMushet steelMaraging steelAcero microaleadoReynolds 531Acero eléctricoAcero elásticoAL-6XNCelestriumAlloy 20Marine grade stainlessAcero inoxidable martensíticoSanicro 28Acero quirúrgicoZeron 100Silver steelAcero para herramientasAcero cortenAcero wootzSolderTerneType metalElektron (alloy)Amalgama (química)Magnox (alloy)AlumelBrightrayCromelHaynes InternationalInconelMonelNicrosilNisilNitinolMu-metalPermalloySupermalloyNickel hydridePlutonium–gallium alloyNaKMetal de MischLitioTerfenol-DPseudo palladiumScandium hydrideImán de samario-cobaltoArgentium sterling silverPlata de BritaniaDoré bullionGoloidPlatinum sterlingShibuichiSterling silverTibetan silverTitanium Beta CTitanium alloyTitanium hydrideGum metalTitanium goldNitruro de titanioBabbitt (metal)Metal de BritaniaPeltreQueen's metalWhite metalUranium hydrideZamakZirconium hydrideHidrógenoHelioBoroNitrógenoOxígenoFlúorMetanoEntresueloÁtomo

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