WEAR-RESISTANT STEEL AND METHOD FOR PRODUCING SAME

Abrasion resistant steel having a chemical composition comprising, by mass%, C: 0.10 to 0.20%, Si: 0.01 to 1.20%, Mn: 0.01 to 2.00%, P: less than 0.017%, S: 0.010% or less, Cu: 0.01 to 0.70%, Ni: 0.01 to 1.00%, Cr: 0 to 1.50%, Mo: 0 to 0.80%, W: 0 to 0.50%, Nb: 0 to 0.050%, V: 0 to 0.20%, Ti: 0 to 0...

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Bibliographische Detailangaben
Hauptverfasser:	HARA, Motomichi, MIZOGUCHI, Masaki, MIYAKE, Takumi, TAKAHASHI, Yasunori, KAMO, Takahiro
Format:	Patent
Sprache:	eng ; fre ; ger
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:	Abrasion resistant steel having a chemical composition comprising, by mass%, C: 0.10 to 0.20%, Si: 0.01 to 1.20%, Mn: 0.01 to 2.00%, P: less than 0.017%, S: 0.010% or less, Cu: 0.01 to 0.70%, Ni: 0.01 to 1.00%, Cr: 0 to 1.50%, Mo: 0 to 0.80%, W: 0 to 0.50%, Nb: 0 to 0.050%, V: 0 to 0.20%, Ti: 0 to 0.030%, B: 0 to 0.0030%, N: 0.0001 to 0.0070%, Al: 0.001 to 0.10%, Ca: 0 to 0.0050%, Zr: 0 to 0.0050%, Mg: 0 to 0.0050%, REM: 0 to 0.0050%, and a balance of Fe and impurities, having metal structures at a position of 1/4 of the thickness from the surface in a thickness direction, which have a total of the area ratios of martensite and lower bainite of 50 to 100% and a prior austenite average grain size of 5 to 23 µm, and having a Brinell hardness at a position of 1 mm from the surface in the thickness direction of 360 to 440, and a method for producing the same.