High-strength steel and preparation method thereof
The invention relates to high-strength steel and a preparation method thereof. The preparation method of the high-strength steel comprises the steps of smelting, rolling, precision forging and heat treatment. The high-strength steel comprises the following chemical components in percentages by mass:...
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| creator | ZHAO RUICHENG GAO BOYANG |
| description | The invention relates to high-strength steel and a preparation method thereof. The preparation method of the high-strength steel comprises the steps of smelting, rolling, precision forging and heat treatment. The high-strength steel comprises the following chemical components in percentages by mass: carbon, silicon, manganese, chromium, molybdenum, rare earth lanthanum or cerium, nickel, sulfur, phosphorus and the balance of Fe and inevitable impurities. The high-strength steel has high strength (the yield strength is greater than 1300 MPa) and high impact toughness, especially high low-temperature impact toughness; through component design and a heat treatment method, mechanical parts have high strength and high toughness, especially high low-temperature impact toughness; and different from the high-strength steel obtained through a low-temperature deformation mode, high-strength steel obtained through the heat treatment method has the characteristics that the welding difficulty is generally increased due to |
| format | Patent |
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The preparation method of the high-strength steel comprises the steps of smelting, rolling, precision forging and heat treatment. The high-strength steel comprises the following chemical components in percentages by mass: carbon, silicon, manganese, chromium, molybdenum, rare earth lanthanum or cerium, nickel, sulfur, phosphorus and the balance of Fe and inevitable impurities. The high-strength steel has high strength (the yield strength is greater than 1300 MPa) and high impact toughness, especially high low-temperature impact toughness; through component design and a heat treatment method, mechanical parts have high strength and high toughness, especially high low-temperature impact toughness; and different from the high-strength steel obtained through a low-temperature deformation mode, high-strength steel obtained through the heat treatment method has the characteristics that the welding difficulty is generally increased due to</description><language>chi ; eng</language><subject>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</subject><creationdate>2021</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210309&DB=EPODOC&CC=CN&NR=112458261A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20210309&DB=EPODOC&CC=CN&NR=112458261A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHAO RUICHENG</creatorcontrib><creatorcontrib>GAO BOYANG</creatorcontrib><title>High-strength steel and preparation method thereof</title><description>The invention relates to high-strength steel and a preparation method thereof. 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| language | chi ; eng |
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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-strength steel and preparation method thereof |
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