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公开(公告)号：US11692234B2
公开(公告)日：2023-07-04
申请号：US16859729
申请日：2020-04-27
IPC分类号： C23C28/00 , C23C2/40 , C23C2/12 , C23C2/06 , C23C2/02 , C23C2/26 , C23C30/00 , C21D1/673 , C21D8/00 , C21D8/02 , C21D9/00 , C22C38/32 , C22C38/28 , C22C38/22 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C22C21/02 , C22C21/06 , C22C21/12 , C22C21/16 , C22C21/08 , B32B15/01 , B32B15/04 , B32B15/18 , C23C2/28 , C22C21/10 , C22C21/00 , C21D7/00 , C21D6/00 , C21D9/48 , C23C2/04 , C21D8/04
CPC分类号： C21D9/0068 , B32B15/012 , B32B15/04 , B32B15/043 , B32B15/18 , C21D1/673 , C21D6/005 , C21D7/00 , C21D8/005 , C21D8/02 , C21D8/0205 , C21D8/0247 , C21D8/0278 , C21D8/0284 , C21D8/0421 , C21D9/48 , C22C21/00 , C22C21/02 , C22C21/06 , C22C21/08 , C22C21/10 , C22C21/12 , C22C21/16 , C22C38/002 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/22 , C22C38/28 , C22C38/32 , C23C2/02 , C23C2/04 , C23C2/06 , C23C2/12 , C23C2/26 , C23C2/28 , C23C2/40 , C23C28/32 , C23C28/321 , C23C28/345 , C23C30/00 , C23C30/005 , Y10T428/1259 , Y10T428/1266 , Y10T428/12583 , Y10T428/12597 , Y10T428/12604 , Y10T428/12611 , Y10T428/12618 , Y10T428/12667 , Y10T428/12757 , Y10T428/12972 , Y10T428/12979 , Y10T428/2495 , Y10T428/24967 , Y10T428/263 , Y10T428/264 , Y10T428/265
摘要： A flat steel product for hot forming may be produced from a steel substrate that includes a steel comprising 0.1-3% by weight Mn and up to 0.01% by weight B, along with a protective coating that is applied to the steel substrate. The protective coating may be based on Al and may contain up to 20% by weight of other alloy elements. Also disclosed are methods for producing such flat steel products, steel components, and methods for producing steel components. Absorption of hydrogen is minimized during heating necessary for hot forming. This is achieved at least in part through an alloy constituent of 0.1-0.5% by weight of at least one alkaline earth or transition metal in the protective coating, wherein an oxide of the alkaline earth or transition metal is formed on an outer surface of the protective coating during hot forming of the flat steel product.
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2.发明公开公开(公告)号：US20240133014A1
公开(公告)日：2024-04-25
申请号：US18400261
申请日：2023-12-29
发明人： Maria Köyer , Manuela Ruthenberg , Janko Banik , Ulrich Etzold
IPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
CPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
摘要： A method for manufacturing a sheet metal component including: annealing a flat steel product comprising 0.05-0.5% C, 0.5-3% Mn, 0.06-1.7% Si, ≤0.06% P, ≤0.01% S, ≤1.0% Al, ≤0.15% Ti, ≤0.6% Nb, ≤0.01% B, ≤1.0% Cr, ≤1.0% Mo, ≤1.0% Cr+Mo, ≤0.2% Ca, ≤0.1% V, remainder iron and impurities in a continuous furnace under an atmosphere consisting of 0.1-15% hydrogen and remainder nitrogen with a specific dew point and temperature profile; applying a coating consisting of Ac3 and ≤1000° C. for a time sufficient to introduce a heat energy quantity >100,000-800,000 kJs; hot-forming the flat steel product to form the component; and cooling at least one section of the component at a cooling rate sufficient to generate hardening structures.
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3.发明申请公开(公告)号：US20200255916A1
公开(公告)日：2020-08-13
申请号：US16859729
申请日：2020-04-27
IPC分类号： C21D9/00 , C23C2/40 , C22C38/32 , C22C38/28 , C22C38/22 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C22C21/02 , C21D8/00 , C23C2/12 , B32B15/01 , B32B15/04 , B32B15/18 , C21D8/02 , C22C21/06 , C22C21/16 , C22C21/12 , C22C21/08 , C23C28/00 , C23C2/06 , C23C30/00 , C23C2/02 , C23C2/26 , C21D1/673
摘要： A flat steel product for hot forming may be produced from a steel substrate that includes a steel comprising 0.1-3% by weight Mn and up to 0.01% by weight B, along with a protective coating that is applied to the steel substrate. The protective coating may be based on Al and may contain up to 20% by weight of other alloy elements. Also disclosed are methods for producing such flat steel products, steel components, and methods for producing steel components. Absorption of hydrogen is minimized during heating necessary for hot forming. This is achieved at least in part through an alloy constituent of 0.1-0.5% by weight of at least one alkaline earth or transition metal in the protective coating, wherein an oxide of the alkaline earth or transition metal is formed on an outer surface of the protective coating during hot forming of the flat steel product.
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4.发明授权公开(公告)号：US10669603B2
公开(公告)日：2020-06-02
申请号：US15509167
申请日：2015-08-26
IPC分类号： C21D8/00 , C21D9/00 , C23C2/40 , C23C2/12 , C22C38/32 , C22C38/22 , C22C38/06 , C22C38/04 , C22C38/02 , C22C38/00 , C22C38/28 , C22C21/02 , C21D1/673 , C23C2/26 , C23C30/00 , C23C28/00 , C23C2/02 , C23C2/06 , C22C21/08 , C22C21/12 , C22C21/16 , C22C21/06 , C21D8/02 , B32B15/04 , B32B15/18 , B32B15/01
摘要： A flat steel product for hot forming may be produced from a steel substrate that includes a steel comprising 0.1-3% by weight Mn and up to 0.01% by weight B, along with a protective coating that is applied to the steel substrate. The protective coating may be based on Al and may contain up to 20% by weight of other alloy elements. Also disclosed are methods for producing such flat steel products, steel components, and methods for producing steel components. Absorption of hydrogen is minimized during heating necessary for hot forming. This is achieved at least in part through an alloy constituent of 0.1-0.5% by weight of at least one alkaline earth or transition metal in the protective coating, wherein an oxide of the alkaline earth or transition metal is formed on an outer surface of the protective coating during hot forming of the flat steel product.
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5.发明公开公开(公告)号：US20240229213A9
公开(公告)日：2024-07-11
申请号：US18400261
申请日：2023-12-29
发明人： Maria Köyer , Manuela Ruthenberg , Janko Banik , Ulrich Etzold
IPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
CPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
摘要： A method for manufacturing a sheet metal component including: annealing a flat steel product comprising 0.05-0.5% C, 0.5-3% Mn, 0.06-1.7% Si, ≤0.06% P, ≤0.01% S, ≤1.0% Al, ≤0.15% Ti, ≤0.6% Nb, ≤0.01% B, ≤1.0% Cr, ≤1.0% Mo, ≤1.0% Cr+Mo, ≤0.2% Ca, ≤0.1% V, remainder iron and impurities in a continuous furnace under an atmosphere consisting of 0.1-15% hydrogen and remainder nitrogen with a specific dew point and temperature profile; applying a coating consisting of Ac3 and ≤1000° C. for a time sufficient to introduce a heat energy quantity >100,000-800,000 kJs; hot-forming the flat steel product to form the component; and cooling at least one section of the component at a cooling rate sufficient to generate hardening structures.
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公开(公告)号：US11920243B2
公开(公告)日：2024-03-05
申请号：US17613738
申请日：2020-05-28
发明人： Maria Köyer , Manuela Ruthenberg , Janko Banik , Ulrich Etzold
IPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
CPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/14 , C22C38/32 , C23C2/28 , C23C2/40 , C23F15/00
摘要： A method for manufacturing a sheet metal component including: annealing a flat steel product comprising 0.05-0.5% C, 0.5-3% Mn, 0.06-1.7% Si, ≤0.06% P, ≤0.01% S, ≤1.0% Al, ≤0.15% Ti, ≤0.6% Nb, ≤0.01% B, ≤1.0% Cr, ≤1.0% Mo, ≤1.0% Cr+Mo, ≤0.2% Ca, ≤0.1% V, remainder iron and impurities in a continuous furnace under an atmosphere consisting of 0.1-15% hydrogen and remainder nitrogen with a specific dew point and temperature profile; applying a coating consisting of ≤15% Si, ≤5% Fe, in total 0.1-5% of at least one alkaline earth or transition metal and a remainder Al and unavoidable impurities; heating the flat steel product to >Ac3 and ≤1000° C. for a time sufficient to introduce a heat energy quantity >100,000-800,000 kJs; hot-forming the flat steel product to form the component; and cooling at least one section of the component at a cooling rate sufficient to generate hardening structures.
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公开(公告)号：US20220228248A1
公开(公告)日：2022-07-21
申请号：US17613738
申请日：2020-05-28
发明人： Maria Köyer , Manuela Ruthenberg , Janko Banik , Ulrich Etzold
IPC分类号： C23C2/12 , C21D9/46 , C22C38/02 , C22C38/14 , C22C38/04 , C22C38/06 , C22C38/32 , C23C2/40 , C23F15/00
摘要： A method for manufacturing a sheet metal component including: annealing a flat steel product comprising 0.05-0.5% C, 0.5-3% Mn, 0.06-1.7% Si, ≤0.06% P, ≤0.01% S, ≤1.0% Al, ≤0.15% Ti, ≤0.6% Nb, ≤0.01% B, ≤1.0% Cr, ≤1.0% Mo, ≤1.0% Cr+Mo, ≤0.2% Ca, ≤0.1% V, remainder iron and impurities in a continuous furnace under an atmosphere consisting of 0.1-15% hydrogen and remainder nitrogen with a specific dew point and temperature profile; applying a coating consisting of ≤15% Si, ≤5% Fe, in total 0.1-5% of at least one alkaline earth or transition metal and a remainder Al and unavoidable impurities; heating the fat steel product to >Ac3 and ≤1000° C. for a time sufficient to introduce a heat energy quantity>100,000-800,000 kJs; hot-forming the flat steel product to form the component; and cooling at least one section of the component at a cooling rate sufficient to generate hardening structures.
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