RU2010112099A - METHOD FOR PRODUCING AUTOMATIC STEEL AM14 - Google Patents

METHOD FOR PRODUCING AUTOMATIC STEEL AM14 Download PDF

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Publication number
RU2010112099A
RU2010112099A RU2010112099/02A RU2010112099A RU2010112099A RU 2010112099 A RU2010112099 A RU 2010112099A RU 2010112099/02 A RU2010112099/02 A RU 2010112099/02A RU 2010112099 A RU2010112099 A RU 2010112099A RU 2010112099 A RU2010112099 A RU 2010112099A
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RU
Russia
Prior art keywords
steel
bismuth
smelting
automatic steel
furnace
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RU2010112099/02A
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Russian (ru)
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RU2437739C1 (en
Inventor
Александр Дмитриевич Волосков (RU)
Александр Дмитриевич Волосков
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ЗАО "Омутнинский металлургический завод" (RU)
ЗАО "Омутнинский металлургический завод"
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Priority to RU2010112099/02A priority Critical patent/RU2437739C1/en
Publication of RU2010112099A publication Critical patent/RU2010112099A/en
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Publication of RU2437739C1 publication Critical patent/RU2437739C1/en

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Abstract

Способ производства автоматной стали, включающий выплавку полупродукта в сталеплавильном агрегате, отличающийся тем, что проводят внепечную обработку металла на установке «Ковш-Печь» с дополнительным введением висмута при загущении шлака магнезитовым порошком, разливку на МНЛЗ способом «под уровень» при высоком содержании серы для получения стали в виде непрерывнолитой заготовки следующего состава, в мас.%: ! углерод не более 0,16 кремний не более 0,35 марганец 1,0-1,5 сера 0,08-0,35 фосфор 0,06-0,15 алюминий не более 0,03 висмут 0,06-0,12 железо и примеси остальное A method for the production of automatic steel, including the smelting of a semi-product in a steel-smelting unit, characterized in that out-of-furnace processing of the metal is carried out at the Ladle-Furnace installation with the addition of bismuth when the slag is thickened with magnesite powder, casting at the continuous casting machine at a level with high sulfur content for for producing steel in the form of a continuously cast billet of the following composition, in wt.%:! carbon no more than 0.16 silicon no more than 0.35 manganese 1.0-1.5 sulfur 0.08-0.35 phosphorus 0.06-0.15 aluminum no more than 0.03 bismuth 0.06-0.12 iron and impurities rest

Claims (1)

Способ производства автоматной стали, включающий выплавку полупродукта в сталеплавильном агрегате, отличающийся тем, что проводят внепечную обработку металла на установке «Ковш-Печь» с дополнительным введением висмута при загущении шлака магнезитовым порошком, разливку на МНЛЗ способом «под уровень» при высоком содержании серы для получения стали в виде непрерывнолитой заготовки следующего состава, в мас.%:A method for the production of automatic steel, including the smelting of a semi-product in a steel-smelting unit, characterized in that out-of-furnace processing of the metal is carried out at the Ladle-Furnace installation with the addition of bismuth when the slag is thickened with magnesite powder, casting at the continuous casting machine at a level with high sulfur content for for producing steel in the form of continuously cast billets of the following composition, in wt.%: углеродcarbon не более 0,16no more than 0,16 кремнийsilicon не более 0,35no more than 0,35 марганецmanganese 1,0-1,51.0-1.5 сераsulfur 0,08-0,350.08-0.35 фосфорphosphorus 0,06-0,150.06-0.15 алюминийaluminum не более 0,03no more than 0,03 висмутbismuth 0,06-0,120.06-0.12 железо и примесиiron and impurities остальноеrest
RU2010112099/02A 2010-03-29 2010-03-29 Method of producing free-cutting steel am-14 RU2437739C1 (en)

Priority Applications (1)

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RU2010112099/02A RU2437739C1 (en) 2010-03-29 2010-03-29 Method of producing free-cutting steel am-14

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RU2010112099/02A RU2437739C1 (en) 2010-03-29 2010-03-29 Method of producing free-cutting steel am-14

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RU2010112099A true RU2010112099A (en) 2011-10-10
RU2437739C1 RU2437739C1 (en) 2011-12-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115362278A (en) * 2020-03-31 2022-11-18 杰富意钢铁株式会社 Free-cutting steel and method for producing same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2503737C1 (en) * 2012-08-06 2014-01-10 Закрытое акционерное общество "Омутнинский металлургический завод" Free-machining bismuth-containing steels
RU2544981C1 (en) * 2014-03-06 2015-03-20 Закрытое акционерное общество "Омутнинский металлургический завод" Medium-carbon screw steel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115362278A (en) * 2020-03-31 2022-11-18 杰富意钢铁株式会社 Free-cutting steel and method for producing same
CN115362278B (en) * 2020-03-31 2024-02-27 杰富意钢铁株式会社 Free-cutting steel and method for producing same

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RU2437739C1 (en) 2011-12-27

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