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Spiegeleisen (6003 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


AlGaAlnicoAlluminioLeghe di alluminioCupralluminiAl-LiBronzo arsenicaleRame arsenicaleBell metalBerillioBeryllium copperBiglioneBirmabrightBismanolBismutoOttone (lega)BronzoCalamine brassGhisaChinese silverCromoChromium hydrideCobaltoColored goldCostantanaRameCopper hydrideCopper–tungstenCorinthian bronzeCrown goldCunifeCupronichelCymbal alloysLega di DevardaDuralluminioDutch metalElettroElinvarFernicoFerrolegaFerroceriumFerrochromeFerromanganeseFerromolybdenumFerrosiliconFerrotitanioFerrouraniumField's metalFlorentine bronzeGalfenolGalinstanoGallio (elemento chimico)Gilding metalVetroGlucydurOroGuanín (bronze)GunmetalHepatizonHiduminiumHydronaliumIndioBulat steelCrucible steel41xx steelAcciaio DamascoMangalloyAcciaio super rapidoMushet steelAcciaio MaragingHigh-strength low-alloy steelReynolds 531Electrical steelAcciaio armonicoAL-6XNCelestriumAlloy 20AISI 316Martensitic stainless steelSanicro 28Acciaio chirurgicoZeron 100Silver steelTool steelAcciaio CortenWootz steelSolderTerneLega tipograficaElektronAmalgamaMagnoxAlumelBrightrayChromelHaynes InternationalInconelMonelNicrosilNisilNitinolMu-metalPermalloySupermalloyNickel hydridePlutonium–gallium alloyNaKMischmetalLitioTerfenol-DPseudo palladiumScandium hydrideSamarium–cobalt magnetArgentium sterling silverBritannia silverDoré bullionGoloidPlatinum sterlingShibuichiArgento sterlingArgento tibetanoTitanium Beta CTitanium alloyIdruro di titanioGum metalTitanium goldNitruro di titanioBabbitt (alloy)Britannia metalPeltroQueen's metalMetallo biancoIdruro di uranioZamakZirconium hydrideIdrogenoElioBoroAzotoOssigenoFluoroMetanoMezzanino (architettura)Atomo

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