BEARING STEEL MATERIAL WITH EXCELLENT ROLLING FATIGUE PROPERTY AND BEARING PART
A bearing steel material which contains 0.8-1.1 mass% C, 0.15-0.8 mass% Si, 0.1-1.0 mass% Mn, 1.3-1.8 mass% Cr, up to 0.05 mass% P (0 mass% is excluded), up to 0.015 mass% S (0 mass% is excluded), 0.0002-0.005 mass% Al, 0.0002-0.0020 mass% Ca, 0.0005-0.010 mass% Ti, up to 0.0080 mass% N (0 mass% is...
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Main Authors | , , , , , , |
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Format | Patent |
Language | English French Japanese |
Published |
30.01.2014
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Abstract | A bearing steel material which contains 0.8-1.1 mass% C, 0.15-0.8 mass% Si, 0.1-1.0 mass% Mn, 1.3-1.8 mass% Cr, up to 0.05 mass% P (0 mass% is excluded), up to 0.015 mass% S (0 mass% is excluded), 0.0002-0.005 mass% Al, 0.0002-0.0020 mass% Ca, 0.0005-0.010 mass% Ti, up to 0.0080 mass% N (0 mass% is excluded), and up to 0.0025 mass% O (0 mass% is excluded). The steel material contains oxide inclusions which have an average composition that comprises, in terms of mass%, 20-50% CaO, 20-50% Al2O3, 20-70% SiO2, and 3-10% TiO2.
La présente invention concerne un matériau en acier pour roulements contenant de 0,8 à 1,1 % en masse de C, de 0,15 à 0,8 % en masse de Si, de 0,1 à 1,0 % en masse de Mn, de 1,3 à 1,8 % en masse de Cr, jusqu'à 0,05 % en masse de P (0 % en masse exclus), jusqu'à 0,015 % en masse de S (0 % en masse exclus), de 0,0002 à 0,005 % en masse d'Al, de 0,0002 à 0,0020 % en masse de Ca, de 0,0005 à 0,010 % en masse de Ti, jusqu'à 0,0080 % en masse de N (0 % en masse exclus), et jusqu'à 0,0025 % en masse d'O (0 % en masse exclus). Le matériau en acier contient des inclusions d'oxydes qui ont une composition moyenne comprenant, en termes de % en masse, de 20 à 50 % de CaO, de 20 à 50 % d'Al2O3, de 20 à 70 % de SiO2, et de 3 à 10 % de TiO2. |
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AbstractList | A bearing steel material which contains 0.8-1.1 mass% C, 0.15-0.8 mass% Si, 0.1-1.0 mass% Mn, 1.3-1.8 mass% Cr, up to 0.05 mass% P (0 mass% is excluded), up to 0.015 mass% S (0 mass% is excluded), 0.0002-0.005 mass% Al, 0.0002-0.0020 mass% Ca, 0.0005-0.010 mass% Ti, up to 0.0080 mass% N (0 mass% is excluded), and up to 0.0025 mass% O (0 mass% is excluded). The steel material contains oxide inclusions which have an average composition that comprises, in terms of mass%, 20-50% CaO, 20-50% Al2O3, 20-70% SiO2, and 3-10% TiO2.
La présente invention concerne un matériau en acier pour roulements contenant de 0,8 à 1,1 % en masse de C, de 0,15 à 0,8 % en masse de Si, de 0,1 à 1,0 % en masse de Mn, de 1,3 à 1,8 % en masse de Cr, jusqu'à 0,05 % en masse de P (0 % en masse exclus), jusqu'à 0,015 % en masse de S (0 % en masse exclus), de 0,0002 à 0,005 % en masse d'Al, de 0,0002 à 0,0020 % en masse de Ca, de 0,0005 à 0,010 % en masse de Ti, jusqu'à 0,0080 % en masse de N (0 % en masse exclus), et jusqu'à 0,0025 % en masse d'O (0 % en masse exclus). Le matériau en acier contient des inclusions d'oxydes qui ont une composition moyenne comprenant, en termes de % en masse, de 20 à 50 % de CaO, de 20 à 50 % d'Al2O3, de 20 à 70 % de SiO2, et de 3 à 10 % de TiO2. |
Author | OWAKI AKIHIRO DEURA TETSUSHI SUGIMURA TOMOKO SHIMAMOTO MASAKI SHINDO YOSUKE KIMURA SEI KAIZUKA MASAKI |
Author_xml | – fullname: KAIZUKA MASAKI – fullname: OWAKI AKIHIRO – fullname: DEURA TETSUSHI – fullname: SHINDO YOSUKE – fullname: KIMURA SEI – fullname: SUGIMURA TOMOKO – fullname: SHIMAMOTO MASAKI |
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DocumentTitleAlternate | MATÉRIAU EN ACIER POUR PALIERS PRÉSENTANT UNE EXCELLENTE PROPRIÉTÉ DE FATIGUE DE ROULEMENT ET PIÈCE DE ROULEMENT |
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RelatedCompanies | KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.) |
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Snippet | A bearing steel material which contains 0.8-1.1 mass% C, 0.15-0.8 mass% Si, 0.1-1.0 mass% Mn, 1.3-1.8 mass% Cr, up to 0.05 mass% P (0 mass% is excluded), up to... |
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SubjectTerms | ALLOYS BEARINGS BLASTING CHEMISTRY ELEMENTS OR CRANKSHAFT MECHANISMS ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS FLEXIBLE SHAFTS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS ROTARY BODIES OTHER THAN GEARING ELEMENTS SHAFTS THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS |
Title | BEARING STEEL MATERIAL WITH EXCELLENT ROLLING FATIGUE PROPERTY AND BEARING PART |
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