HIGH-HARDNESS STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME

A hot-rolled steel strip product comprising a composition consisting of, in terms of weight percentages, 0.17 % to 0.38 % C, 0 % to 0.5 % Si, 0.1 % to 0.4 % Mn, 0.015 % to 0.15 % Al, 0.1 % to 0.6 % Cu, 0.2 % to 0.8 % Ni, 0.1 % to 1 % Cr, 0.01 % to 0.3 % Mo, 0 % to 0.005 % Nb, 0 % to 0.05 % Ti, 0 % t...

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Bibliographische Detailangaben
Hauptverfasser:	VIROLAINEN ESA, LIIMATAINEN TOMMI, SUIKKANEN PASI, GLADH MAGNUS, HEMMILÄ MIKKO, LARSSON MAGNUS
Format:	Patent
Sprache:	chi ; 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 hot-rolled steel strip product comprising a composition consisting of, in terms of weight percentages, 0.17 % to 0.38 % C, 0 % to 0.5 % Si, 0.1 % to 0.4 % Mn, 0.015 % to 0.15 % Al, 0.1 % to 0.6 % Cu, 0.2 % to 0.8 % Ni, 0.1 % to 1 % Cr, 0.01 % to 0.3 % Mo, 0 % to 0.005 % Nb, 0 % to 0.05 % Ti, 0 % to 0.2 % V, 0.0008 % to 0.005 % B, 0 % to 0.025 % P, 0.008 % or less S, 0.01 % or less N, 0 % to 0.01 % Ca, and the remainder being Fe and inevitable impurities, wherein the steel product has a Brinell hardness in the range of 420 - 580 HBW, and a corrosion index (ASTM G 101 -04 ) of at least 5. 一种热轧钢带产品，其包括按重量百分比计组成如下的组合物：0.17％至0.38％的C、0％至0.5％的Si、0.1％至0.4％的Mn、0.015％至0.15％的Al、0.1％至0.1％0.6％的Cu、0.2％至0.8％的Ni、0.1％至1％的Cr、0.01％至0.3％的Mo、0％至0.005％的Nb、0％至0.05％的Ti、0％至0.2的V、0.0008％至0.005％的B、0％至0.025％的P、0.008％以下的S、0.01％以下的N、0％至0.01％的Ca，余量为Fe和不可避免的杂质，其中钢产品的布氏硬度在420-580HBW的范围，腐蚀指数(ASTM G101-04)为至少5。