High-tenacity spring steel and heat treatment technology thereof

The invention belongs to the technical field of spring steel metallurgy, in particular to high-tenacity spring steel and a heat treatment technology thereof. The high-tenacity spring steel comprises components in percentage by mass of: 0.34-0.49% of C, 1.00-2.80% of Si, 0.60-1.50% of Mn, 0.50-2.0% o...

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Hauptverfasser:	YU CHAO, DU FANGFANG, ZHU HAIYA
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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creator	YU CHAO DU FANGFANG ZHU HAIYA
description	The invention belongs to the technical field of spring steel metallurgy, in particular to high-tenacity spring steel and a heat treatment technology thereof. The high-tenacity spring steel comprises components in percentage by mass of: 0.34-0.49% of C, 1.00-2.80% of Si, 0.60-1.50% of Mn, 0.50-2.0% of Cr, 0.006-0.008% of P, 0.002-0.005% of S, 0.1-0.5% of Ni, 0.05-0.5% of Mo, 0.05-0.20% of V, 0.015-0.035% of Al, 0.0035-.0065% of N, 0.0005-0.01% of Ni, 0.23-0.25% of rare earth microelements and the balance Fe and inevitable impurities. The heat treatment technology mainly adopts reversible type rolling and low temperature tempering treatment, fully continuous rolling and warm tempering treatment, and water-cooling finishing rolling. The high-tenacity spring steel prepared by the heat treatment technology disclosed by the invention is manly suitable for producing and processing of high-tenacity spring steel products, such as manufacturing of spring spare parts high in design stress and long in fatigue life. The h
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The high-tenacity spring steel comprises components in percentage by mass of: 0.34-0.49% of C, 1.00-2.80% of Si, 0.60-1.50% of Mn, 0.50-2.0% of Cr, 0.006-0.008% of P, 0.002-0.005% of S, 0.1-0.5% of Ni, 0.05-0.5% of Mo, 0.05-0.20% of V, 0.015-0.035% of Al, 0.0035-.0065% of N, 0.0005-0.01% of Ni, 0.23-0.25% of rare earth microelements and the balance Fe and inevitable impurities. The heat treatment technology mainly adopts reversible type rolling and low temperature tempering treatment, fully continuous rolling and warm tempering treatment, and water-cooling finishing rolling. The high-tenacity spring steel prepared by the heat treatment technology disclosed by the invention is manly suitable for producing and processing of high-tenacity spring steel products, such as manufacturing of spring spare parts high in design stress and long in fatigue life. 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The high-tenacity spring steel comprises components in percentage by mass of: 0.34-0.49% of C, 1.00-2.80% of Si, 0.60-1.50% of Mn, 0.50-2.0% of Cr, 0.006-0.008% of P, 0.002-0.005% of S, 0.1-0.5% of Ni, 0.05-0.5% of Mo, 0.05-0.20% of V, 0.015-0.035% of Al, 0.0035-.0065% of N, 0.0005-0.01% of Ni, 0.23-0.25% of rare earth microelements and the balance Fe and inevitable impurities. The heat treatment technology mainly adopts reversible type rolling and low temperature tempering treatment, fully continuous rolling and warm tempering treatment, and water-cooling finishing rolling. The high-tenacity spring steel prepared by the heat treatment technology disclosed by the invention is manly suitable for producing and processing of high-tenacity spring steel products, such as manufacturing of spring spare parts high in design stress and long in fatigue life. The h</abstract><oa>free_for_read</oa></addata></record>
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subjects	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
title	High-tenacity spring steel and heat treatment technology thereof
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