RU2013139431A - HIGH-STRENGTH MULTI-PHASE STEEL FOR COLD OR HOT-STEEL STRIP AND METHOD FOR MAKING COLD-AND HOT-STEEL STRIP - Google Patents

HIGH-STRENGTH MULTI-PHASE STEEL FOR COLD OR HOT-STEEL STRIP AND METHOD FOR MAKING COLD-AND HOT-STEEL STRIP Download PDF

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RU2013139431A
RU2013139431A RU2013139431/02A RU2013139431A RU2013139431A RU 2013139431 A RU2013139431 A RU 2013139431A RU 2013139431/02 A RU2013139431/02 A RU 2013139431/02A RU 2013139431 A RU2013139431 A RU 2013139431A RU 2013139431 A RU2013139431 A RU 2013139431A
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steel
steel according
steel strip
cold
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Андреас ВЕДЕМАЙЕР
Томас ШУЛЬЦ
Михаель ПОЛЬ
Филипп ВЮЛЬНЕР
Йорг ХАЙНЕКЕ
Кристиан ШЛЕГЕЛЬ
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Зальцгиттер Флахшталь Гмбх
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    • 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/185—Hardening; Quenching with or without subsequent tempering from an intercritical temperature
    • 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
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • 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
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/02—Making non-ferrous alloys by melting
    • 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
    • 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of manganese
    • 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
    • C21D2211/002—Bainite
    • 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
    • C21D2211/005—Ferrite

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  • Heat Treatment Of Sheet Steel (AREA)

Abstract

1. Высокопрочная многофазная сталь для холодно- или горячекатаной стальной полосы с отличными формовочными свойствами, в частности для автомобилестроения на основе облегченных конструкций, состоящая из элементов, вес.%:C - 0,060 до ≤0,115Al - 0,020 до ≤0,060Si - 0,100 до ≤0,500Mn - 1,300 до ≤2,500P - ≤0,025S - ≤0,0100Cr - 0,280 до ≤0,480Mo - ≤0,150Ti - ≥0,005 до ≤0,050Nb - ≥0,005 до ≤0,050B - ≥0,0005 до ≤0,0060N - ≤0,0100железо - остальное,включая обычные сопутствующие стали, не упомянутые выше элементы.2. Сталь по п.1, отличающаяся тем, что содержание Mo составляет ≤0,100%.3. Сталь по п.1 или 2, отличающаяся тем, что содержание Mo составляет ≥0,050%.4. Сталь по п.1, отличающаяся тем, что содержание Nb составляет ≤0,045%.5. Сталь по п.1, отличающаяся тем, что содержание Nb составляет ≤0,040%.6. Сталь по п.1, отличающаяся тем, что содержание Ti составляет ≤0,045%.7. Сталь по п.1, отличающаяся тем, что содержание Ti составляет ≤0,040%.8. Сталь по п.1, отличающаяся тем, что содержание В составляет ≤0,0050%.9. Сталь по п.1, отличающаяся тем, что содержание В составляет ≤0,0040%.10. Сталь по п.1, отличающаяся тем, что содержание N составляет ≤0,0090%.11. Сталь по п.1, отличающаяся тем, что содержание N составляет ≤0,0070%.12. Сталь по п.1, отличающаяся тем, что суммарное содержание Ti, Nb и В составляет ≤0,0106%.13. Сталь по п.1, отличающаяся тем, что суммарное содержание Ti, Nb, B и Mo составляет ≤0,0256%.14. Способ изготовления холодно- или горячекатаной стальной полосы из стали, изготовленной по любому из пп.1-13, при котором создают необходимую многофазную структуру во время непрерывного отжига, отличающийся тем, что холодно- или горячекатаную стальную полосу в печи непрерывного отжига нагревают до температуры в диапазоне от 700 до 9500°C и отожженную стальную полосу1. High-strength multiphase steel for cold or hot rolled steel strip with excellent molding properties, in particular for automotive industry based on lightweight structures, consisting of elements, wt.%: C - 0,060 to ≤0,115Al - 0,020 to ≤0,060Si - 0,100 to ≤0,500Mn - 1,300 to ≤2,500P - ≤0,025S - ≤0,0100Cr - 0,280 to ≤0,480Mo - ≤0,150Ti - ≥0,005 to ≤0,050Nb - ≥0,005 to ≤0,050B - ≥0,0005 to ≤0 , 0060N - ≤0.0100 iron - the rest, including ordinary associated steels, elements not mentioned above. 2. Steel according to claim 1, characterized in that the Mo content is ≤0.100%. Steel according to claim 1 or 2, characterized in that the Mo content is ≥0.050% .4. Steel according to claim 1, characterized in that the Nb content is ≤0.045% .5. Steel according to claim 1, characterized in that the Nb content is ≤0.040% .6. Steel according to claim 1, characterized in that the Ti content is ≤0.045%. Steel according to claim 1, characterized in that the Ti content is ≤0.040% .8. Steel according to claim 1, characterized in that the content of B is ≤0.0050% .9. Steel according to claim 1, characterized in that the content of B is ≤0.0040% .10. Steel according to claim 1, characterized in that the N content is ≤0.0090% .11. Steel according to claim 1, characterized in that the N content is ≤0.0070% .12. Steel according to claim 1, characterized in that the total content of Ti, Nb and B is ≤0.0106% .13. Steel according to claim 1, characterized in that the total content of Ti, Nb, B and Mo is ≤0.0256%. A method of manufacturing a cold or hot rolled steel strip from steel made according to any one of claims 1 to 13, wherein the necessary multiphase structure is created during continuous annealing, characterized in that the cold or hot rolled steel strip in a continuous annealing furnace is heated to a temperature of range from 700 to 9500 ° C and annealed steel strip

Claims (18)

1. Высокопрочная многофазная сталь для холодно- или горячекатаной стальной полосы с отличными формовочными свойствами, в частности для автомобилестроения на основе облегченных конструкций, состоящая из элементов, вес.%:1. High-strength multiphase steel for cold or hot rolled steel strip with excellent molding properties, in particular for automotive industry based on lightweight structures, consisting of elements, wt.%: C - 0,060 до ≤0,115C - 0.060 to ≤0.115 Al - 0,020 до ≤0,060Al - 0.020 to ≤0.060 Si - 0,100 до ≤0,500Si - 0.100 to ≤0.500 Mn - 1,300 до ≤2,500Mn - 1,300 to ≤2,500 P - ≤0,025P - ≤0.025 S - ≤0,0100S - ≤0.0100 Cr - 0,280 до ≤0,480Cr - 0.280 to ≤0.480 Mo - ≤0,150Mo - ≤0.150 Ti - ≥0,005 до ≤0,050Ti - ≥0.005 to ≤0.050 Nb - ≥0,005 до ≤0,050Nb - ≥0.005 to ≤0.050 B - ≥0,0005 до ≤0,0060B - ≥0,0005 to ≤0,0060 N - ≤0,0100N - ≤0.0100 железо - остальное,iron - the rest, включая обычные сопутствующие стали, не упомянутые выше элементы.including conventional companion steels, elements not mentioned above. 2. Сталь по п.1, отличающаяся тем, что содержание Mo составляет ≤0,100%.2. Steel according to claim 1, characterized in that the Mo content is ≤0.100%. 3. Сталь по п.1 или 2, отличающаяся тем, что содержание Mo составляет ≥0,050%.3. Steel according to claim 1 or 2, characterized in that the Mo content is ≥0.050%. 4. Сталь по п.1, отличающаяся тем, что содержание Nb составляет ≤0,045%.4. Steel according to claim 1, characterized in that the Nb content is ≤0.045%. 5. Сталь по п.1, отличающаяся тем, что содержание Nb составляет ≤0,040%.5. Steel according to claim 1, characterized in that the Nb content is ≤0.040%. 6. Сталь по п.1, отличающаяся тем, что содержание Ti составляет ≤0,045%.6. Steel according to claim 1, characterized in that the Ti content is ≤0.045%. 7. Сталь по п.1, отличающаяся тем, что содержание Ti составляет ≤0,040%.7. Steel according to claim 1, characterized in that the Ti content is ≤0.040%. 8. Сталь по п.1, отличающаяся тем, что содержание В составляет ≤0,0050%.8. Steel according to claim 1, characterized in that the content of B is ≤0.0050%. 9. Сталь по п.1, отличающаяся тем, что содержание В составляет ≤0,0040%.9. Steel according to claim 1, characterized in that the content of B is ≤0.0040%. 10. Сталь по п.1, отличающаяся тем, что содержание N составляет ≤0,0090%.10. Steel according to claim 1, characterized in that the N content is ≤0.0090%. 11. Сталь по п.1, отличающаяся тем, что содержание N составляет ≤0,0070%.11. Steel according to claim 1, characterized in that the N content is ≤0.0070%. 12. Сталь по п.1, отличающаяся тем, что суммарное содержание Ti, Nb и В составляет ≤0,0106%.12. Steel according to claim 1, characterized in that the total content of Ti, Nb and B is ≤0.0106%. 13. Сталь по п.1, отличающаяся тем, что суммарное содержание Ti, Nb, B и Mo составляет ≤0,0256%.13. Steel according to claim 1, characterized in that the total content of Ti, Nb, B and Mo is ≤0.0256%. 14. Способ изготовления холодно- или горячекатаной стальной полосы из стали, изготовленной по любому из пп.1-13, при котором создают необходимую многофазную структуру во время непрерывного отжига, отличающийся тем, что холодно- или горячекатаную стальную полосу в печи непрерывного отжига нагревают до температуры в диапазоне от 700 до 9500°C и отожженную стальную полосу затем охлаждают от температуры отжига со скоростью охлаждения от 15 до 1000°C/с до промежуточной температуры от 200 до 2500°C, затем стальную полосу со скоростью охлаждения от 2 до 300°C/с охлаждают на воздухе до достижения температуры в помещении или охлаждение производят со скоростью охлаждения между 15 и 1000°C/с с промежуточной температуры до температуры в помещении, причем тогда промежуточная температура соответствует температуре в помещении.14. A method of manufacturing a cold or hot rolled steel strip from steel made according to any one of claims 1 to 13, wherein the necessary multiphase structure is created during continuous annealing, characterized in that the cold or hot rolled steel strip in a continuous annealing furnace is heated to temperatures in the range from 700 to 9500 ° C and the annealed steel strip is then cooled from the annealing temperature with a cooling rate of 15 to 1000 ° C / s to an intermediate temperature of 200 to 2500 ° C, then a steel strip with a cooling rate of 2 to 300 ° C / s they are cooled in air until the room temperature is reached or cooling is carried out at a cooling rate between 15 and 1000 ° C / s from an intermediate temperature to a room temperature, and then the intermediate temperature corresponds to the room temperature. 15. Способ по п.14, отличающийся тем, что при улучшающей обработке с использованием погружения в расплав после нагревания и последующего охлаждения охлаждение перед поступлением в ванну с расплавом прекращают и после улучшающей обработки с использованием погружения в расплав охлаждение продолжают со скоростью охлаждения между 15 и 1000°C/с до промежуточной температуры 200-2500°C, затем стальную полосу охлаждают на воздухе со скоростью охлаждения от 2 до 300°C/с до температуры в помещении.15. The method according to 14, characterized in that during the improving processing using immersion in the melt after heating and subsequent cooling, the cooling is stopped before entering the bath with the melt and after the improving processing using immersion in the melt, cooling is continued with a cooling rate between 15 and 1000 ° C / s to an intermediate temperature of 200-2500 ° C, then the steel strip is cooled in air with a cooling rate of 2 to 300 ° C / s to room temperature. 16. Способ по п.14, отличающийся тем, что при улучшающей обработке с использованием погружения в расплав после нагревания и последующего охлаждения до промежуточной температуры 200-2500°C перед поступлением в ванну с расплавом эту температуру поддерживают в течение 1-20 с и затем стальную полосу снова нагревают до температуры 420-4700°C и после осуществленной улучшающей обработки с использованием погружения в расплав происходит охлаждение со скоростью охлаждения 15-1000°C/с до промежуточной температуры 200-2500°C, затем со скоростью охлаждения 2-300°C/с охлаждают на воздухе до температуры в помещении.16. The method according to 14, characterized in that during the improving processing using immersion in the melt after heating and subsequent cooling to an intermediate temperature of 200-2500 ° C before entering the bath with the melt, this temperature is maintained for 1-20 s and then the steel strip is again heated to a temperature of 420-4700 ° C, and after the improvement is carried out using immersion in the melt, cooling occurs at a cooling rate of 15-1000 ° C / s to an intermediate temperature of 200-2500 ° C, then at a cooling rate of 2-300 ° C / s cool zhdayut in air to room temperature. 17. Способ по п.14, отличающийся тем, что стальную полосу в последующем дрессируют.17. The method according to 14, characterized in that the steel strip is subsequently trained. 18. Способ по п.14, отличающийся тем, что стальную полосу затем выпрямляют вытяжкой с изгибом. 18. The method according to 14, characterized in that the steel strip is then straightened by a hood with a bend.
RU2013139431/02A 2011-01-26 2011-11-30 High-strength multi-phase steel for cold or hot-rolled steel strip and method of making cold and hot-rolled steel strip RU2581940C2 (en)

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DE102011010256 2011-01-26
DE102011010256.6 2011-01-26
DE102011117572.9 2011-10-25
DE102011117572A DE102011117572A1 (en) 2011-01-26 2011-10-25 High-strength multiphase steel with excellent forming properties
PCT/DE2011/002094 WO2012100762A1 (en) 2011-01-26 2011-11-30 High strength multi-phase steel having excellent forming properties

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US (1) US20140034196A1 (en)
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DE102012006017A1 (en) 2012-03-20 2013-09-26 Salzgitter Flachstahl Gmbh High strength multiphase steel and method of making a strip of this steel
DE102014017274A1 (en) * 2014-11-18 2016-05-19 Salzgitter Flachstahl Gmbh Highest strength air hardening multiphase steel with excellent processing properties and method of making a strip from this steel
DE102014017273A1 (en) * 2014-11-18 2016-05-19 Salzgitter Flachstahl Gmbh High strength air hardening multiphase steel with excellent processing properties and method of making a strip of this steel
DE102015111177A1 (en) * 2015-07-10 2017-01-12 Salzgitter Flachstahl Gmbh High strength multi-phase steel and method of making a cold rolled steel strip therefrom
RU2681043C1 (en) * 2015-07-17 2019-03-01 Зальцгиттер Флахшталь Гмбх METHOD OF MANUFACTURING HOT ROLLED STRIP FROM BAINITIC MULTIPHASE STEEL COATED WITH Zn-Mg-Al AND RELATED HOT STRIP
DE202015105104U1 (en) 2015-07-17 2015-10-27 Salzgitter Flachstahl Gmbh Hot strip of a bainitic multi-phase steel with a Zn-Mg-Al coating
CN110283972B (en) * 2019-07-02 2021-06-25 天津市琨泰机械制造有限公司 Steel strip hot galvanizing and multi-strip-iron hot galvanizing comprehensive continuous production line
CN110527795B (en) * 2019-07-02 2021-06-25 天津市琨泰机械制造有限公司 Many band irons hot-galvanize continuous production line
EP3816319B1 (en) 2019-10-29 2022-09-14 Salzgitter Flachstahl GmbH Method for producing a high strength steel strip with improved adhesion of zinc-based hot dip coatings
CN111218614B (en) * 2020-02-11 2022-03-18 山东钢铁股份有限公司 Free-cutting steel for connecting rod and manufacturing method thereof
DE102020203564A1 (en) 2020-03-19 2021-09-23 Sms Group Gmbh Process for producing a rolled multiphase steel strip with special properties
DE102020110319A1 (en) 2020-04-15 2021-10-21 Salzgitter Flachstahl Gmbh Process for the production of a steel strip with a multiphase structure and steel strip added
KR20230045648A (en) * 2021-09-27 2023-04-05 주식회사 포스코 High-strength and high-thickness steel sheet having excellent hole expandability and ductility and mathod for manufacturing thereof

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA948530A (en) * 1969-12-30 1974-06-04 Bunichiro Kawasaki Method and apparatus for producing low carbon cold-rolled steel
AU530384B2 (en) * 1979-06-28 1983-07-14 Nippon Kokan Kabushiki Kaisha Controlled cooling of steel strip to effect continuous annealing
JPS60174852A (en) 1984-02-18 1985-09-09 Kawasaki Steel Corp Cold rolled steel sheet having composite structure and superior deep drawability
JP3365632B2 (en) 1991-03-15 2003-01-14 新日本製鐵株式会社 High-strength cold-rolled steel sheet and hot-dip galvanized high-strength cold-rolled steel sheet having good formability and methods for producing them
CA2067043C (en) 1991-04-26 1998-04-28 Susumu Okada High strength cold rolled steel sheet having excellent non-aging property at room temperature and suitable for drawing and method of producing the same
DE19520541C2 (en) * 1995-06-03 1999-01-14 Bwg Bergwerk Walzwerk Method and device for correcting a rolled metal strip which is bent horizontally in the strip plane, in particular a metal strip with a strip thickness of 0.5 mm to 2.0 mm
UA57797C2 (en) * 1997-07-28 2003-07-15 Ексонмобіл Апстрім Рісерч Компані An ultra-high resisting reinforced weld from a high-quality strong steel containing boron
DE19936151A1 (en) * 1999-07-31 2001-02-08 Thyssenkrupp Stahl Ag High-strength steel strip or sheet and process for its manufacture
DE10037867A1 (en) 1999-08-06 2001-06-07 Muhr & Bender Kg Flexible rolling process, for metal strip, involves work roll bending line control during or immediately after each roll gap adjustment to obtain flat strip
JP2001140022A (en) * 1999-08-27 2001-05-22 Nippon Steel Corp Method of manufacturing high strength galvanized steel sheet excellent in press-formability
NL1015184C2 (en) * 2000-05-12 2001-11-13 Corus Staal Bv Multi-phase steel and method for its manufacture.
EP1288322A1 (en) * 2001-08-29 2003-03-05 Sidmar N.V. An ultra high strength steel composition, the process of production of an ultra high strength steel product and the product obtained
RU2256707C1 (en) * 2004-07-15 2005-07-20 Липецкий государственный технический университет Method of production of the steel with homogeneous properties
CN100473741C (en) * 2005-06-29 2009-04-01 宝山钢铁股份有限公司 Soft tin-plate and making process thereof
ES2325962T3 (en) * 2006-10-30 2009-09-25 Thyssenkrupp Steel Ag PROCEDURE FOR MANUFACTURING STEEL FLAT PRODUCTS FROM A MICROALEATED MULTIPHASIC STEEL WITH BORO.
EP2115178B1 (en) 2007-02-23 2018-06-20 Tata Steel IJmuiden BV Cold rolled and continuously annealed high strength steel strip and method for producing said steel
KR100928788B1 (en) * 2007-12-28 2009-11-25 주식회사 포스코 High strength steel sheet with excellent weldability and manufacturing method
JP4924730B2 (en) * 2009-04-28 2012-04-25 Ｊｆｅスチール株式会社 High-strength hot-dip galvanized steel sheet excellent in workability, weldability and fatigue characteristics and method for producing the same

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