HIGH-STRENGTH AIR-QUENCHED MULTIPHASE STEEL, HAVING EXCELLENT PROCESS CHARACTERISTICS, AND METHOD OF MAKING STRIPS OF SAID STEEL

FIELD: metallurgy.SUBSTANCE: invention relates to methods of producing cold-rolled or hot-rolled steel strip from high-strength, air-hardening, multiphase steel, wherein total content of (Mn + Si + Cr) in steel is controlled in accordance with obtained strip thickness: up to 1.00 mm sum (Mn + Si + C...

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Main Authors WEDEMEIER, Andreas, SCHULZ, Thomas, KLUGE, Sascha, MEYER, Christian, SCHOETTLER, Joachim, MATTHIES, Peter
Format Patent
LanguageEnglish
Russian
Published 29.11.2019
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Abstract FIELD: metallurgy.SUBSTANCE: invention relates to methods of producing cold-rolled or hot-rolled steel strip from high-strength, air-hardening, multiphase steel, wherein total content of (Mn + Si + Cr) in steel is controlled in accordance with obtained strip thickness: up to 1.00 mm sum (Mn + Si + Cr) ≥ 2.350 and ≤ 2.500 wt. %; more than 1.00 and up to 2.00 mm sum (Mn + Si + Cr) > 2.500 and ≤ 2.950 wt. %, and more than 2.00 mm, sum (Mn + Si + Cr) > 2.950 and ≤ 3.250 wt. %.EFFECT: technical result consists in obtaining a steel strip of different thickness with high technological characteristics.32 cl, 6 dwg, 1 ex Изобретение относится к способам получения холоднокатаной или горячекатаной стальной полосы из высокопрочной, закаливающейся на воздухе, многофазной стали, причем суммарное содержание (Mn+Si+Cr) в стали регулируется в соответствии с полученной толщиной полосы: вплоть до 1,00 мм сумма (Mn+Si+Cr) ≥ 2,350 и ≤ 2,500 мас.%; больше 1,00 и вплоть до 2,00 мм сумма (Mn+Si+Cr) > 2,500 и ≤ 2,950 мас.%, а больше 2,00 мм, сумма (Mn+Si+Cr) > 2,950 и ≤ 3,250 мас.%. Технический результат заключается в получении стальной полосы различной толщины с высокими технологическими характеристиками. 9 н. и 23 з.п. ф-лы, 6 ил., 1 пр.
AbstractList FIELD: metallurgy.SUBSTANCE: invention relates to methods of producing cold-rolled or hot-rolled steel strip from high-strength, air-hardening, multiphase steel, wherein total content of (Mn + Si + Cr) in steel is controlled in accordance with obtained strip thickness: up to 1.00 mm sum (Mn + Si + Cr) ≥ 2.350 and ≤ 2.500 wt. %; more than 1.00 and up to 2.00 mm sum (Mn + Si + Cr) > 2.500 and ≤ 2.950 wt. %, and more than 2.00 mm, sum (Mn + Si + Cr) > 2.950 and ≤ 3.250 wt. %.EFFECT: technical result consists in obtaining a steel strip of different thickness with high technological characteristics.32 cl, 6 dwg, 1 ex Изобретение относится к способам получения холоднокатаной или горячекатаной стальной полосы из высокопрочной, закаливающейся на воздухе, многофазной стали, причем суммарное содержание (Mn+Si+Cr) в стали регулируется в соответствии с полученной толщиной полосы: вплоть до 1,00 мм сумма (Mn+Si+Cr) ≥ 2,350 и ≤ 2,500 мас.%; больше 1,00 и вплоть до 2,00 мм сумма (Mn+Si+Cr) > 2,500 и ≤ 2,950 мас.%, а больше 2,00 мм, сумма (Mn+Si+Cr) > 2,950 и ≤ 3,250 мас.%. Технический результат заключается в получении стальной полосы различной толщины с высокими технологическими характеристиками. 9 н. и 23 з.п. ф-лы, 6 ил., 1 пр.
Author MEYER, Christian
KLUGE, Sascha
SCHULZ, Thomas
MATTHIES, Peter
WEDEMEIER, Andreas
SCHOETTLER, Joachim
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– fullname: MEYER, Christian
– fullname: SCHOETTLER, Joachim
– fullname: MATTHIES, Peter
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DocumentTitleAlternate ВЫСОКОПРОЧНАЯ ЗАКАЛИВАЮЩАЯСЯ НА ВОЗДУХЕ МНОГОФАЗНАЯ СТАЛЬ, ОБЛАДАЮЩАЯ ОТЛИЧНЫМИ ТЕХНОЛОГИЧЕСКИМИ ХАРАКТЕРИСТИКАМИ, И СПОСОБ ПОЛУЧЕНИЯ ПОЛОС УКАЗАННОЙ СТАЛИ
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Snippet FIELD: metallurgy.SUBSTANCE: invention relates to methods of producing cold-rolled or hot-rolled steel strip from high-strength, air-hardening, multiphase...
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SubjectTerms 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 AIR-QUENCHED MULTIPHASE STEEL, HAVING EXCELLENT PROCESS CHARACTERISTICS, AND METHOD OF MAKING STRIPS OF SAID STEEL
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