RU2008129694A - DEFORMABLE STEEL FOR LIGHTWEIGHT DESIGNS - Google Patents

DEFORMABLE STEEL FOR LIGHTWEIGHT DESIGNS Download PDF

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Publication number
RU2008129694A
RU2008129694A RU2008129694/02A RU2008129694A RU2008129694A RU 2008129694 A RU2008129694 A RU 2008129694A RU 2008129694/02 A RU2008129694/02 A RU 2008129694/02A RU 2008129694 A RU2008129694 A RU 2008129694A RU 2008129694 A RU2008129694 A RU 2008129694A
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Russia
Prior art keywords
content
steel
manganese
values
carbon
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RU2008129694/02A
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Russian (ru)
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RU2430184C2 (en
Inventor
Карл-Хайнц ШПИТЦЕР (DE)
Карл-Хайнц ШПИТЦЕР
Хельфрид АЙХХОЛЬЦ (DE)
Хельфрид АЙХХОЛЬЦ
Бьянка ШПРИНГУБ (DE)
Бьянка ШПРИНГУБ
Руне ШМИДТ-ЮРГЕНСЕН (DE)
Руне ШМИДТ-ЮРГЕНСЕН
Маркус ШЕПЕРКЕТТЕР (DE)
Маркус ШЕПЕРКЕТТЕР
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Зальцгиттер Флахшталь Гмбх (De)
Зальцгиттер Флахшталь Гмбх
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Application filed by Зальцгиттер Флахшталь Гмбх (De), Зальцгиттер Флахшталь Гмбх filed Critical Зальцгиттер Флахшталь Гмбх (De)
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/005—Heat treatment of ferrous alloys containing Mn
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D6/00—Heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
    • C21D8/0405—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite

Abstract

1. Деформируемая сталь для облегченных конструкций со свойствами TRIP и TWIP, содержащая элементы, вес.%: ! С0,05-≤1,0Al0,0-≤11,0Si0,0-≤6,0Al+Si>0,5Mn9,0-≤25,0H<20 ч./млнжелезо и обычно сопутствующие стали элементыостальное, ! причем в зависимости от состава сплава присутствуют разные фазы, отличающаяся тем, что низкому содержанию марганца соответствует повышенное содержание углерода и повышенному содержанию марганца соответствует низкое содержание углерода, при этом парные значения С-Mn располагаются в системе координат С-Mn приблизительно на одной прямой, соединяющей линии, отстоящей от парных значений С-Mn, находящихся в равновесном состоянии между фазой γ (аустенит) и фазой α' (мартенсит). ! 2. Сталь по п.2, отличающаяся тем, что алюминий и кремний добавляются приблизительно в одинаковом количестве. ! 3. Сталь по п.1 или 2, отличающаяся тем, что полоса разброса вокруг соединяющей линии оптимальных парных значений С-Mn составляет: для содержания углерода ±0,15% и для содержания марганца ±2,5%. ! 4. Сталь для облегченных конструкций по п.3, отличающаяся тем, что полоса разброса составляет: для содержания углерода ±0,1% и для содержания марганца ±1,5%.1. Deformable steel for lightweight structures with TRIP and TWIP properties, containing elements, wt%:! С0.05-≤1.0Al0.0-≤11.0Si0.0-≤6.0Al + Si> 0.5Mn9.0-≤25.0H <20 ppm iron and usually accompanying steel elements the rest,! moreover, depending on the composition of the alloy, there are different phases, characterized in that a low content of manganese corresponds to an increased content of carbon and an increased content of manganese corresponds to a low content of carbon, while the paired values of C-Mn are located in the C-Mn coordinate system approximately on one straight line connecting a line spaced apart from the paired values of C-Mn, which are in equilibrium between the γ phase (austenite) and the α 'phase (martensite). ! 2. Steel according to claim 2, characterized in that aluminum and silicon are added in approximately the same amount. ! 3. Steel according to claim 1 or 2, characterized in that the band of scatter around the connecting line of the optimum paired C-Mn values is: for the carbon content ± 0.15% and for the manganese content ± 2.5%. ! 4. Steel for lightweight structures according to claim 3, characterized in that the scatter band is: for carbon content ± 0.1% and for manganese content ± 1.5%.

Claims (4)

1. Деформируемая сталь для облегченных конструкций со свойствами TRIP и TWIP, содержащая элементы, вес.%:1. Wrought steel for lightweight structures with the properties of TRIP and TWIP, containing elements, wt.%: СFROM 0,05-≤1,00.05-≤1.0 AlAl 0,0-≤11,00,0-≤11,0 SiSi 0,0-≤6,00,0-≤6,0 Al+SiAl + Si >0,5> 0.5 MnMn 9,0-≤25,09.0-≤25.0 HH <20 ч./млн<20 ppm железо и обычно сопутствующие стали элементыiron and commonly associated steel elements остальное,rest,
причем в зависимости от состава сплава присутствуют разные фазы, отличающаяся тем, что низкому содержанию марганца соответствует повышенное содержание углерода и повышенному содержанию марганца соответствует низкое содержание углерода, при этом парные значения С-Mn располагаются в системе координат С-Mn приблизительно на одной прямой, соединяющей линии, отстоящей от парных значений С-Mn, находящихся в равновесном состоянии между фазой γ (аустенит) и фазой α' (мартенсит).moreover, different phases are present depending on the alloy composition, characterized in that a lower carbon content corresponds to a low manganese content and a low carbon content corresponds to a high manganese content, while the C-Mn pair values are located in the C-Mn coordinate system on approximately one straight line connecting a line spaced from the paired C-Mn values in an equilibrium state between the γ (austenite) phase and the α 'phase (martensite). 2. Сталь по п.2, отличающаяся тем, что алюминий и кремний добавляются приблизительно в одинаковом количестве.2. Steel according to claim 2, characterized in that aluminum and silicon are added in approximately the same amount. 3. Сталь по п.1 или 2, отличающаяся тем, что полоса разброса вокруг соединяющей линии оптимальных парных значений С-Mn составляет: для содержания углерода ±0,15% и для содержания марганца ±2,5%.3. Steel according to claim 1 or 2, characterized in that the scatter band around the connecting line of the optimal pair C-Mn values is: for carbon content ± 0.15% and for manganese content ± 2.5%. 4. Сталь для облегченных конструкций по п.3, отличающаяся тем, что полоса разброса составляет: для содержания углерода ±0,1% и для содержания марганца ±1,5%. 4. Steel for lightweight structures according to claim 3, characterized in that the spread band is: for carbon content ± 0.1% and for manganese content ± 1.5%.
RU2008129694/02A 2005-12-20 2006-11-22 Wrought steel for light-weight constructions RU2430184C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005062221A DE102005062221B3 (en) 2005-12-20 2005-12-20 Deformable light alloy steel with TRIP) and TWIP properties useful in production of products having decreased crack liability twinning induced plasticity (TWIP) good ductility and tensile strength without increase in hydrogen embrittlement
DE102005062221.6 2005-12-20

Publications (2)

Publication Number Publication Date
RU2008129694A true RU2008129694A (en) 2010-01-27
RU2430184C2 RU2430184C2 (en) 2011-09-27

Family

ID=37814445

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2008129694/02A RU2430184C2 (en) 2005-12-20 2006-11-22 Wrought steel for light-weight constructions

Country Status (10)

Country Link
US (1) US20090196785A1 (en)
EP (1) EP1969151B1 (en)
KR (1) KR20080081969A (en)
CN (1) CN101405420A (en)
AU (1) AU2006332301B2 (en)
DE (2) DE202005021771U1 (en)
RU (1) RU2430184C2 (en)
UA (1) UA88994C2 (en)
WO (1) WO2007076748A1 (en)
ZA (1) ZA200805306B (en)

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DE102008056844A1 (en) 2008-11-12 2010-06-02 Voestalpine Stahl Gmbh Manganese steel strip and method of making the same
EP2208803A1 (en) * 2009-01-06 2010-07-21 ThyssenKrupp Steel Europe AG High-tensile, cold formable steel, steel flat product, method for producing a steel flat product and use of a steel flat product
US8852356B2 (en) 2009-03-11 2014-10-07 Salzgitter Glachstahl GmbH Method for producing a hot rolled strip and hot rolled strip produced from ferritic steel
DE102010034161B4 (en) 2010-03-16 2014-01-02 Salzgitter Flachstahl Gmbh Method for producing workpieces made of lightweight steel with material properties that can be adjusted via the wall thickness
DE102011117135A1 (en) 2010-11-26 2012-05-31 Salzgitter Flachstahl Gmbh Energy-saving container made of lightweight steel
DE102011010040B3 (en) 2011-02-02 2012-08-02 Salzgitter Flachstahl Gmbh Method and device for producing a cast strip of steel with material properties adjustable over the strip cross section and the strip length
US10001228B2 (en) 2011-06-17 2018-06-19 National Oilwell Varco Denmark I/S Unbonded flexible pipe
DE112013001144A5 (en) * 2012-02-25 2014-10-30 Technische Universität Bergakademie Freiberg Process for producing high-strength molded parts made of high-carbon and high-manganese austenitic cast steel with TRIP / TWIP properties
DE102012013425A1 (en) 2012-07-03 2014-01-09 Salzgitter Flachstahl Gmbh Continuous strip casting and rolling plant
WO2014180456A1 (en) 2013-05-06 2014-11-13 Salzgitter Flachstahl Gmbh Method for producing components from lightweight steel
CN103667883B (en) * 2013-12-26 2017-01-11 北京科技大学 Low-density and high-toughness automobile-used steel board and preparation process
CN103667885B (en) * 2013-12-31 2015-11-25 深圳市晶莱新材料科技有限公司 A kind of medical field that is used for is containing Pt nano twin crystal steel and preparation method thereof
RU2615738C1 (en) * 2016-02-08 2017-04-10 Федеральное государственное автономное образовательное учреждение высшего образования "Белгородский государственный национальный исследовательский университет" (НИУ "БелГУ") HIGH-STRENGTH STEELS OF Fe-Mn-Al-C SYSTEM WITH TWIP AND TRIP EFFECTS
CN107475618B (en) * 2017-07-11 2019-02-26 西南交通大学 A kind of high tough low-carbon is containing manganese deformation induced plasticity steel and preparation method in aluminium
CN108707817B (en) * 2018-05-02 2020-10-09 北京科技大学 Excavator bucket tooth and excavator with same
CN113549840A (en) * 2021-06-29 2021-10-26 鞍钢股份有限公司 780 MPa-grade high-strength-ductility Fe-Mn-Al-C light steel and preparation method thereof
CN115216703B (en) * 2022-06-24 2023-02-28 燕山大学 Ultrahigh-strength low-density steel and preparation method thereof

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JPH0483852A (en) * 1990-07-26 1992-03-17 High Frequency Heattreat Co Ltd High manganese steel material for low temperature use
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DE102004061284A1 (en) * 2003-12-23 2005-07-28 Salzgitter Flachstahl Gmbh Production of a deformable hot strips made from light gauge steel used in the automobile industry comprises casting the melt in a horizontal strip casting unit close to the final measurements, and further processing
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Also Published As

Publication number Publication date
AU2006332301A1 (en) 2007-07-12
CN101405420A (en) 2009-04-08
DE102005062221B3 (en) 2007-05-03
ZA200805306B (en) 2009-04-29
KR20080081969A (en) 2008-09-10
EP1969151A1 (en) 2008-09-17
RU2430184C2 (en) 2011-09-27
DE202005021771U1 (en) 2010-02-18
US20090196785A1 (en) 2009-08-06
AU2006332301B2 (en) 2011-07-28
WO2007076748A1 (en) 2007-07-12
UA88994C2 (en) 2009-12-10
EP1969151B1 (en) 2014-02-26

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Effective date: 20191123