Thickness and width specification 460MPa grade steel plate with good low-temperature toughness and manufacturing method thereof
The invention provides a thickness and width specification 460 MPa grade steel plate with good low temperature toughness and a manufacturing method thereof, the manufacturing method comprises the steps of molten iron pretreatment, converter smelting, LF treatment, RH vacuum treatment, continuous cas...
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| creator | WANG XIAOSEN MOU KAI YU HAO WANG CHUAN YU TAO WANG YUE ZHANG DEYONG OU YANGYU SONG JIQIANG GUAN YONG LIU GUOHUA GENG CONG SHA KEYU WANG DONGMING CAO BAOJIE ZHEN XINGANG MA LIN MA CHUANG DONG YIRU |
| description | The invention provides a thickness and width specification 460 MPa grade steel plate with good low temperature toughness and a manufacturing method thereof, the manufacturing method comprises the steps of molten iron pretreatment, converter smelting, LF treatment, RH vacuum treatment, continuous casting, casting blank slow cooling, heating, rolling and cooling, steel plate slow cooling, finishing, inspection and ultrasonic flaw detection, and the steel plate comprises the following components in percentage by weight: 0.04-0.07% of C, 0.10-0.35% of Si, 1.60-1.70% of Mn, less than or equal to 0.015% of P, less than or equal to 0.003% of S, 0.015-0.035% of Al, 0.030-0.045% of Nb and the balance of Fe and inevitable impurities. The alloy comprises the following components in percentage by weight: 0.20-0.35% of Ni, 0.008-0.025% of Ti, 0.20-0.35% of Cr and the balance of Fe. The wide and thick steel plate produced by the method has good low-temperature toughness and can be widely applied to engineering machinery, o |
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The alloy comprises the following components in percentage by weight: 0.20-0.35% of Ni, 0.008-0.025% of Ti, 0.20-0.35% of Cr and the balance of Fe. 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The alloy comprises the following components in percentage by weight: 0.20-0.35% of Ni, 0.008-0.025% of Ti, 0.20-0.35% of Cr and the balance of Fe. 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The alloy comprises the following components in percentage by weight: 0.20-0.35% of Ni, 0.008-0.025% of Ti, 0.20-0.35% of Cr and the balance of Fe. The wide and thick steel plate produced by the method has good low-temperature toughness and can be widely applied to engineering machinery, o</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 | Thickness and width specification 460MPa grade steel plate with good low-temperature toughness and manufacturing method thereof |
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