STEEL FOR RAILS AND A METHOD OF MANUFACTURING OF A RAIL THEREOF

A steel for rail having the following elements, 0.25%≤C≤0.8%; 1.0%≤Mn≤2.0%; 1.40%≤Si≤2%; 0.01%≤Al≤1%; 0.8%≤Cr≤2%; 0≤P≤0.09%; 0≤S≤0.09%; 0%≤N≤0.09%; 0%≤Ni≤1%; 0%≤Mo≤0.5%; 0%≤V≤0.2%; 0%≤Nb ≤0.1%; 0%≤Ti≤0.1%; 0%≤Cu≤0.5%; 0%≤B≤0.008%; 0%≤Sn≤0.1%; 0% ≤Ce≤0.1%; 0%≤Mg≤0.10%; 0%≤Zr≤0.10%; the remainder comp...

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Bibliographische Detailangaben
Hauptverfasser:	CARRASCAL, Diego, ARANCON ALVAREZ, José, SOLANO ALVAREZ, Wilberth, ALVAREZ DIEZ, David
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMISTRY FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A steel for rail having the following elements, 0.25%≤C≤0.8%; 1.0%≤Mn≤2.0%; 1.40%≤Si≤2%; 0.01%≤Al≤1%; 0.8%≤Cr≤2%; 0≤P≤0.09%; 0≤S≤0.09%; 0%≤N≤0.09%; 0%≤Ni≤1%; 0%≤Mo≤0.5%; 0%≤V≤0.2%; 0%≤Nb ≤0.1%; 0%≤Ti≤0.1%; 0%≤Cu≤0.5%; 0%≤B≤0.008%; 0%≤Sn≤0.1%; 0% ≤Ce≤0.1%; 0%≤Mg≤0.10%; 0%≤Zr≤0.10%; the remainder composition being composed of iron and unavoidable impurities caused by processing, the microstructure having, by area percentage, 2% to 10% of Proeutectoid Ferrite, the balance being made of Pearlite wherein the pearlite having interlamellar spacing from 100 nm to 250 nm .