公开(公告)号：US08002908B2

公开(公告)日：2011-08-23

申请号：US12363896

申请日：2009-02-02

申请人： Walter N. Blejde ,  Rama Ballav Mahapatra ,  James Geoffrey Williams ,  Frank Barbaro ,  Philip John Renwick ,  Harold Roland Kaul ,  Andrew Phillips ,  Christopher Ronald Killmore ,  Lazar Strezov

发明人： Walter N. Blejde ,  Rama Ballav Mahapatra ,  James Geoffrey Williams ,  Frank Barbaro ,  Philip John Renwick ,  Harold Roland Kaul ,  Andrew Phillips ,  Christopher Ronald Killmore ,  Lazar Strezov

IPC分类号： C22C38/00 ,  B22D11/06

CPC分类号： B22D11/001 ,  B22D11/0622 ,  B22D11/117 ,  C21D8/0415 ,  C21D2211/004 ,  C22C38/02 ,  C22C38/04 ,  Y10T428/12993

摘要： A steel product with a high austenite grain coarsening temperature having less than 0.4% carbon, less than 0.06% aluminium, less than 0.01% titanium, less than 0.01% niobium, and less than 0.02% vanadium by weight, and having fine oxide particles containing silicon and iron distributed through the steel microstructure having an average particle size less than 50 nanometers and may be between 5 and 30 nanometers. The steel product may have fine oxide particles distributed through the microstructure capable of restricting ferrite recrystallization for strain levels up to at least 10.0%, for temperatures up to 750° C. with holding times up to 20 minutes. The steel product may be made by continuous casting of steel strip introduced between the casting rolls to form a casting pool of molten carbon steel having a total oxygen content of at least 70 ppm usually less than 250 ppm, and a free oxygen content 20 and 60 ppm, counter rotating the casting rolls.

摘要翻译： 具有低奥氏体晶粒粗化温度的钢产品，具有小于0.4％的碳，小于0.06％的铝，小于0.01％的钛，小于0.01％的铌和小于0.02％的钒，并且具有含有 硅和铁通过平均粒度小于50纳米的钢微结构分布，并且可以在5和30纳米之间。 钢制品可以具有通过微结构分布的细小氧化物颗粒，其能够限制铁素体再结晶，对于至多10.0％的应变水平，对于高达750℃的温度，保持时间长达20分钟。 钢产品可以通过在铸辊之间引入的钢带的连续铸造来制造，以形成总氧含量通常低于250ppm，游离氧含量20和60的熔融碳钢的铸造池 ppm，反转铸辊。

公开(公告)号：US20090191425A1

公开(公告)日：2009-07-30

申请号：US12363896

申请日：2009-02-02

申请人： Walter N. Blejde ,  Rama Ballav Mahapatra ,  James Geoffrey Williams ,  Frank Barbaro ,  Philip John Renwick ,  Harold Roland Kaul ,  Andrew Phillips ,  Christopher Ronald Killmore ,  Lazar Strezov

发明人： Walter N. Blejde ,  Rama Ballav Mahapatra ,  James Geoffrey Williams ,  Frank Barbaro ,  Philip John Renwick ,  Harold Roland Kaul ,  Andrew Phillips ,  Christopher Ronald Killmore ,  Lazar Strezov

IPC分类号： C22C38/02 ,  B32B15/18

CPC分类号： B22D11/001 ,  B22D11/0622 ,  B22D11/117 ,  C21D8/0415 ,  C21D2211/004 ,  C22C38/02 ,  C22C38/04 ,  Y10T428/12993

摘要： A steel product with a high austenite grain coarsening temperature having less than 0.4% carbon, less than 0.06% aluminium, less than 0.01% titanium, less than 0.01% niobium, and less than 0.02% vanadium by weight, and having fine oxide particles containing silicon and iron distributed through the steel microstructure having an average particle size less than 50 nanometers and may be between 5 and 30 nanometers. The steel product may have fine oxide particles distributed through the microstructure capable of restricting ferrite recrystallization for strain levels up to at least 10.0%, for temperatures up to 750° C. with holding times up to 20 minutes. The steel product may be made by continuous casting of steel strip introduced between the casting rolls to form a casting pool of molten carbon steel having a total oxygen content of at least 70 ppm usually less than 250 ppm, and a free oxygen content 20 and 60 ppm, counter rotating the casting rolls.

摘要翻译： 具有低奥氏体晶粒粗化温度的钢产品，具有小于0.4％的碳，小于0.06％的铝，小于0.01％的钛，小于0.01％的铌和小于0.02％的钒，并且具有含有 硅和铁通过平均粒度小于50纳米的钢微结构分布，并且可以在5和30纳米之间。 钢制品可以具有通过微结构分布的细小氧化物颗粒，其能够限制铁素体再结晶，对于至多10.0％的应变水平，对于高达750℃的温度，保持时间长达20分钟。 钢产品可以通过在铸辊之间引入的钢带的连续铸造来制造，以形成总氧含量通常低于250ppm，游离氧含量20和60的熔融碳钢的铸造池 ppm，反转铸辊。

公开(公告)号：US07485196B2

公开(公告)日：2009-02-03

申请号：US11255604

申请日：2005-10-20

申请人： Walter N. Blejde ,  Rama Ballav Mahapatra ,  James Geoffrey Williams ,  Frank Barbaro ,  Philip John Renwick ,  Harold Roland Kaul ,  Andrew Phillips ,  Christopher Ronald Killmore ,  Lazar Strezov

发明人： Walter N. Blejde ,  Rama Ballav Mahapatra ,  James Geoffrey Williams ,  Frank Barbaro ,  Philip John Renwick ,  Harold Roland Kaul ,  Andrew Phillips ,  Christopher Ronald Killmore ,  Lazar Strezov

IPC分类号： C22C38/00

CPC分类号： B22D11/001 ,  B22D11/0622 ,  B22D11/117 ,  C21D8/0415 ,  C21D2211/004 ,  C22C38/02 ,  C22C38/04 ,  Y10T428/12993

摘要： A steel product with a high austenite grain coarsening temperature having less than 0.4% carbon, less than 0.06% aluminium, less than 0.01% titanium, less than 0.01% niobium, and less than 0.02% vanadium by weight, and having fine oxide particles containing silicon and iron distributed through the steel microstructure having an average particle size less than 50 nanometers and may be between 5 and 30 nanometers. The steel product may have fine oxide particles distributed through the microstructure capable of restricting ferrite recrystallisation for strain levels up to at least 10.0%, for temperatures up to 750° C. with holding times up to 20 minutes. The steel product may be made by continuous casting of steel strip introduced between the casting rolls to form a casting pool of molten carbon steel having a total oxygen content of at least 70 ppm usually less than 250 ppm, and a free oxygen content 20 and 60 ppm, counter rotating the casting rolls.

摘要翻译： 具有低奥氏体晶粒粗化温度的钢产品，具有小于0.4％的碳，小于0.06％的铝，小于0.01％的钛，小于0.01％的铌和小于0.02％的钒，并且具有含有 硅和铁通过平均粒度小于50纳米的钢微结构分布，并且可以在5和30纳米之间。 钢制品可以具有通过微结构分布的细小氧化物颗粒，其能够限制铁素体再结晶，对于高达750℃的温度，至多达到10.0％的应变水平，保持时间长达20分钟。 钢产品可以通过在铸辊之间引入的钢带的连续铸造来制造，以形成总氧含量通常低于250ppm，游离氧含量20和60的熔融碳钢的铸造池 ppm，反转铸辊。

公开(公告)号：US10071416B2

公开(公告)日：2018-09-11

申请号：US12709133

申请日：2010-02-19

申请人： James Geoffrey Williams ,  Harold Roland Kaul ,  Daniel Geoffrey Edelman ,  Christopher Ronald Killmore

发明人： James Geoffrey Williams ,  Harold Roland Kaul ,  Daniel Geoffrey Edelman ,  Christopher Ronald Killmore

IPC分类号： B22D11/00 ,  B22D11/06 ,  B22D11/117 ,  C21D6/02 ,  C21D8/02 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12

CPC分类号： B22D11/001 ,  B22D11/0622 ,  B22D11/117 ,  C21D6/02 ,  C21D8/0215 ,  C21D2211/002 ,  C21D2211/004 ,  C21D2211/005 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12

摘要： A steel product or thin steel cast strip including, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, and at least one of niobium between 0.01% and 0.20% and vanadium between 0.01% and 0.20%, and a microstructure of a majority bainite and acicular ferrite, and more than 70% niobium and/or vanadium in solid solution. The steel product may have an increase in elongation and an increase in yield strength after age hardening. The age hardened steel product may have niobium carbonitride particles with an average particle size of 10 nanometers and less, and may have substantially no niobium carbonitride particles greater than 50 nanometers. The steel product may have a yield strength of at least 380 MPa, a tensile strength of at least 410 MPa, or both. The product may have a total elongation of at least 6% or 10%.

公开(公告)号：US09149868B2

公开(公告)日：2015-10-06

申请号：US12116039

申请日：2008-05-06

申请人： James Geoffery Williams ,  Harold Roland Kaul ,  Daniel Geoffrey Edelman ,  Christopher Ronald Killmore

发明人： James Geoffery Williams ,  Harold Roland Kaul ,  Daniel Geoffrey Edelman ,  Christopher Ronald Killmore

IPC分类号： B22D11/00 ,  B22D11/06 ,  B22D11/117 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12

CPC分类号： B22D11/001 ,  B22D11/0622 ,  B22D11/117 ,  C22C38/02 ,  C22C38/04 ,  C22C38/12

摘要： A steel product or thin steel cast strip comprised of, by weight, less than 0.25% carbon, between 0.20 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, and at least one of niobium between 0.01% and 0.20% and vanadium between 0.01% and 0.20%, and having a microstructure of a majority bainite and acicular ferrite, and more than 70% niobium and/or vanadium in solid solution. The steel product may have an increase in elongation and an increase in yield strength after age hardening. The age hardened steel product may have niobium carbonitride particles with an average particle size of 10 nanometers and less, and may have substantially no niobium carbonitride particles greater than 50 nanometers. The steel product may have a yield strength of at least 380 MPa or a tensile strength of at least 410 MPa, or both. The steel product or thin cast steel strip may have a total elongation of at least 6% or 10%.

摘要翻译： 一种钢产品或薄钢铸带，其重量比小于0.25％的碳，0.20-2.0％的锰，0.05-0.50％的硅，小于0.01％的铝和至少一种铌在0.01％和 0.20％，钒在0.01％至0.20％之间，并具有多数贝氏体和针状铁素体的微观组织，70％以上的固溶体中的铌和/或钒。 钢制品可以在老化硬化后的伸长率增加和屈服强度增加。 老化硬化钢产品可以具有平均粒径为10纳米或更少的碳氮化铌颗粒，并且基本上不具有大于50纳米的碳氮化铌颗粒。 该钢制品的屈服强度可以至少为380MPa，拉伸强度至少为410MPa，或两者均可。 钢产品或薄铸钢带的总伸长率可以至少为6％或10％。

公开(公告)号：USRE41553E1

公开(公告)日：2010-08-24

申请号：US11649925

申请日：2007-01-04

申请人： Nikolco S. Nikolovski ,  Harold Roland Kaul

发明人： Nikolco S. Nikolovski ,  Harold Roland Kaul

IPC分类号： B22D11/06

CPC分类号： B22D11/128 ,  B22D11/0622 ,  B22D11/20

摘要： Twin roll strip caster comprising parallel casting rolls one of which is mounted on moveable roll supports which allow it to move bodily toward and away from the other roll. A pair of roll biasing units comprising compression act on roll supports to bias the moving roll toward the other roll. Biasing units comprise compression springs acting on roll supports through thrust transmission structures and thrust reaction structures. The positions of thrust reaction structures are set by hydraulic cylinder units operable to vary the position of each reaction structure to replicate movements of the respective thrust transmission structure so as to maintain a constant compression of the biasing springs regardless of lateral movements of the roll supports.

摘要翻译： 双辊条连铸机，其包括平行的铸辊，其中一个安装在可移动的辊支撑件上，允许其朝向和远离另一个辊身体移动。 一对辊偏压单元，包括压缩作用在辊支撑件上，以使移动的辊向另一个辊偏压。 偏压单元包括通过推力传递结构和推力反作用结构作用在辊支撑件上的压缩弹簧。 推力反作用结构的位置由液压缸单元设置，可操作以改变每个反作用结构的位置以复制相应推力传动结构的运动，从而保持偏置弹簧的恒定压缩，而不管辊支撑件的横向运动。

公开(公告)号：US06837301B2

公开(公告)日：2005-01-04

申请号：US10104313

申请日：2002-03-22

申请人： Nikolco S. Nikolovski ,  Harold Roland Kaul

发明人： Nikolco S. Nikolovski ,  Harold Roland Kaul

IPC分类号： B22D11/16 ,  B22D11/06 ,  B22D11/20

CPC分类号： B22D11/128 ,  B22D11/0622 ,  B22D11/20

摘要： Twin roll strip caster comprising parallel casting rolls one of which is mounted on moveable roll supports which allow it to move bodily toward and away from the other roll. A pair of roll biasing units comprising compression act on roll supports to bias the moving roll toward the other roll. Biasing units comprise compression springs acting on roll supports through thrust transmission structures and thrust reaction structures. The positions of thrust reaction structures are set by hydraulic cylinder units operable to vary the position of each reaction structure to replicate movements of the respective thrust transmission structure so as to maintain a constant compression of the biasing springs regardless of lateral movements of the roll supports.