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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%.
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公开(公告)号：US20100215539A1
公开(公告)日：2010-08-26
申请号：US12708638
申请日：2010-02-19
CPC分类号： B22D11/12 , B22D11/001 , B22D11/0622 , B32B15/013 , C21D8/0215 , C21D8/0226 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C21D2211/009 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , Y10T428/12 , Y10T428/12799
摘要： A hot rolled steel strip made by the steps including assembling a twin roll caster, forming a casting pool of molten steel of such composition that the cast strip produced comprises by weight, greater than 0.25% and up to 1.1% carbon, between 0.40 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, counter rotating the casting rolls to solidify metal shells and forming a steel strip, hot rolling the steel strip such that mechanical properties at 10% and 35% reduction are within 10% for yield strength, tensile strength and total elongation, and coiling the hot rolled steel strip at a temperature between 550 and 750° C. to provide a majority of the microstructure comprising pearlite, along with bainite and acicular ferrite. The steel may have a free oxygen content between 5 and 50 ppm or between 25 and 45 ppm.
摘要翻译： 一种由下列步骤制成的热轧钢带，其包括组装双辊铸造机，形成这样组成的钢水铸造池，所述铸造钢带的重量大于0.25％和高达1.1％的碳在0.40和2.0之间 ％的锰，0.05-0.50％的硅，小于0.01％的铝，反向旋转铸辊以固化金属壳并形成钢带，热轧钢带使得10％和35％的机械性能降低在10以内 屈服强度，拉伸强度和总伸长率的百分比，以及在550和750℃之间的温度下卷取热轧钢带，以提供大部分包含珠光体的微结构以及贝氏体和针状铁素体。 钢可以具有5至50ppm之间或25至45ppm之间的游离氧含量。
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3.发明授权公开(公告)号：US06669789B1
公开(公告)日：2003-12-30
申请号：US09945185
申请日：2001-08-31
IPC分类号： C22C3814
CPC分类号： C21C7/0006 , C21C7/06 , C21C7/064 , C21D1/19 , C21D8/0215 , C21D8/0226 , C21D2211/005 , C22C38/04 , C22C38/14
摘要： A composition and method of making a high-strength low-alloy hot-rolled steel sheet, strip, or plate bearing titanium as the principal or only microalloy strengthening element. The steel is substantially ferritic and has a microstructure that is at least 20% acicular ferrite. The steel has a minimum yield strength of at least 345 MPa (50 ksi) and even over 621 MPa (90 ksi) adding titanium as the lone microalloy element for strengthening, with elongation of 15% and more. Addition of vanadium, niobium, or a combination thereof can result in yield strengths exceeding 621 MPa (90 ksi). Effective titanium content, being the content of titanium in the steel not in the form of nitrides, oxides, or sulfides, is in the range of 0.01 to 0.12% by weight. The manufacturing process includes continuously casting a thin slab and reducing the slab thickness using thermomechanical controlled processing, including dynamic recrystallization controlled rolling.
摘要翻译： 制造高强度低合金热轧钢板，带状或带有钛作为主要或仅有微合金强化元素的板的组合物和方法。 钢基本上是铁素体的，并且具有至少20％针状铁素体的微结构。 钢的最小屈服强度至少为345MPa（50ksi），甚至超过621MPa（90ksi），作为用于强化的单一微合金元素钛，其伸长率为15％以上。 添加钒，铌或其组合可导致屈服强度超过621MPa（90ksi）。 作为不是氮化物，氧化物或硫化物形式的钢中钛的含量的有效钛含量在0.01〜0.12重量％的范围内。 制造工艺包括使用热机械控制加工（包括动态再结晶控制轧制）连续铸造薄板坯并减少板坯厚度。
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4.发明授权Thin cast strip product with microalloy additions, and method for making the same 有权具有微合金添加剂的薄铸带产品及其制造方法公开(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
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％。
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公开(公告)号：US20140261905A1
公开(公告)日：2014-09-18
申请号：US13838465
申请日：2013-03-15
CPC分类号： B22D11/0622 , B22D11/1206
摘要： A method for making alloy strip by continuous casting with tensile strength of at least 900 MPa and total elongation of at least 30%, strip with tensile strength of at least 1200 MPa and total elongation of at least 20%, or strip with tensile strength of at least 1500 MPa and total elongation of at least 15%. Molten metal is introduced forming a casting pool supported on the casting rolls and counter-rotating the A heat flux is provided with a peak heat flux >20 Mw/m2. The strip is cooled at 1000-3000 K/sec. A roll biasing force >40 kN/meter of casting roll length is applied to form thin metal strip. The strip is then conveyed through a first enclosure with an atmosphere having an oxygen content of
摘要翻译： 通过连续铸造制造合金带材的方法，其拉伸强度为至少900MPa，总伸长率为至少30％，拉伸强度为至少1200MPa，总伸长率为至少20％的条带，或拉伸强度为 至少1500MPa，总伸长率至少为15％。 引入熔融金属形成支撑在铸辊上的铸池并且相对旋转.A热通量具有> 20Mw / m 2的峰值热通量。 条带以1000-3000K /秒冷却。 施加> 40kN / m的铸辊长度的辊偏压力以形成薄金属带。 然后将条带通过具有氧含量<5％的气氛的第一外壳输送。 铸造轧辊通过轧机轧制，并且开始减少和改变微观结构。
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公开(公告)号：US20130202914A1
公开(公告)日：2013-08-08
申请号：US13827026
申请日：2013-03-14
CPC分类号： B22D11/12 , B22D11/001 , B22D11/0622 , B32B15/013 , C21D8/0215 , C21D8/0226 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C21D2211/009 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , Y10T428/12 , Y10T428/12799
摘要： A hot rolled steel strip made by the steps including assembling a twin roll caster, forming a casting pool of molten steel of such composition that the cast strip produced comprises by weight, greater than 0.25% and up to 1.1% carbon, between 0.40 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, counter rotating the casting rolls to solidify metal shells and forming a steel strip, hot rolling the steel strip such that mechanical properties at 10% and 35% reduction are within 10% for yield strength, tensile strength and total elongation, and coiling the hot rolled steel strip at a temperature between 550 and 750° C. to provide a majority of the microstructure comprising pearlite, along with bainite and acicular ferrite. The steel may have a free oxygen content between 5 and 50 ppm or between 25 and 45 ppm.
摘要翻译： 一种由下列步骤制成的热轧钢带，其包括组装双辊铸造机，形成这样组成的钢水铸造池，所述铸造钢带的重量大于0.25％和高达1.1％的碳在0.40和2.0之间 ％的锰，0.05-0.50％的硅，小于0.01％的铝，反向旋转铸辊以固化金属壳并形成钢带，热轧钢带使得10％和35％的机械性能降低在10以内 屈服强度，拉伸强度和总伸长率的百分比，以及在550和750℃之间的温度下卷取热轧钢带，以提供大部分包含珠光体的微结构以及贝氏体和针状铁素体。 钢可以具有5至50ppm之间或25至45ppm之间的游离氧含量。
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公开(公告)号：US08444780B2
公开(公告)日：2013-05-21
申请号：US12708638
申请日：2010-02-19
CPC分类号： B22D11/12 , B22D11/001 , B22D11/0622 , B32B15/013 , C21D8/0215 , C21D8/0226 , C21D2211/002 , C21D2211/005 , C21D2211/008 , C21D2211/009 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , Y10T428/12 , Y10T428/12799
摘要： A hot rolled steel strip made by the steps including assembling a twin roll caster, forming a casting pool of molten steel of such composition that the cast strip produced comprises by weight, greater than 0.25% and up to 1.1% carbon, between 0.40 and 2.0% manganese, between 0.05 and 0.50% silicon, less than 0.01% aluminum, counter rotating the casting rolls to solidify metal shells and forming a steel strip, hot rolling the steel strip such that mechanical properties at 10% and 35% reduction are within 10% for yield strength, tensile strength and total elongation, and coiling the hot rolled steel strip at a temperature between 550 and 750° C. to provide a majority of the microstructure comprising pearlite, along with bainite and acicular ferrite. The steel may have a free oxygen content between 5 and 50 ppm or between 25 and 45 ppm.
摘要翻译： 一种由下列步骤制成的热轧钢带，其包括组装双辊铸造机，形成这样组成的钢水铸造池，所述铸造钢带的重量大于0.25％和高达1.1％的碳在0.40和2.0之间 ％的锰，0.05-0.50％的硅，小于0.01％的铝，反向旋转铸辊以固化金属壳并形成钢带，热轧钢带使得10％和35％的机械性能降低在10以内 屈服强度，拉伸强度和总伸长率的百分比，以及在550和750℃之间的温度下卷取热轧钢带，以提供大部分包含珠光体的微结构以及贝氏体和针状铁素体。 钢可以具有5至50ppm之间或25至45ppm之间的游离氧含量。
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公开(公告)号：US20100215981A1
公开(公告)日：2010-08-26
申请号：US12708635
申请日：2010-02-19
CPC分类号： B22D11/0622 , C21D8/0215 , C21D8/0226 , C21D2211/002 , C21D2211/005 , C22C38/02 , C22C38/04 , Y10T428/12799
摘要： A hot rolled steel strip made by the steps including assembling a twin roll caster, forming a casting pool of molten steel having a free oxygen content between 20 and 75 ppm and having a composition such that the cast strip comprises by weight, less than 0.25% carbon, between 0.9 and 2.0% manganese, between 0.05 and 0.50% silicon, greater than 0.01% and less than or equal to 0.15% phosphorus, and less than 0.01% aluminum, counter rotating the casting rolls forming the steel strip, hot rolling the strip such that mechanical properties at 10% and 35% reduction are within 10% for yield strength, tensile strength and total elongation, and coiling the strip at a temperature between 300 and 700° C. to provide a majority of the microstructure comprising bainite and acicular ferrite. Alternatively, the steel may have between 0.20 and 0.60% copper and manganese as low as 0.08%.
摘要翻译： 一种由下列步骤制成的热轧钢带，其包括组装双辊铸造机，形成游离氧含量在20至75ppm之间的钢水铸造池，其组成使得铸造带材的重量小于0.25％ 碳，0.9至2.0％的锰，0.05至0.50％的硅，大于0.01％且小于或等于0.15％的磷和小于0.01％的铝，使形成钢带的铸辊相反旋转，热轧 使得在屈服强度，拉伸强度和总伸长率下10％和35％减少的机械性能在10％以内，并且在300-700℃的温度下卷取带材，以提供大部分包含贝氏体和 针状铁素体 或者，钢可以具有0.20-0.60％的铜和锰低至0.08％。
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公开(公告)号：US20100186856A1
公开(公告)日：2010-07-29
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
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%.
摘要翻译： 一种钢产品或薄钢铸造带，其包含重量小于0.25％的碳，0.20％至2.0％的锰，0.05％至0.50％的硅，小于0.01％的铝和至少一种铌为0.01％至0.20％ ％和钒在0.01％至0.20％之间，以及大多数贝氏体和针状铁素体的微观结构，以及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。 钢制品的屈服强度可以至少为380MPa，拉伸强度至少为410MPa，或者两者均可。 该产品可以具有至少6％或10％的总伸长率。
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10.发明申请THIN CAST STRIP PRODUCT WITH MICROALLOY ADDITIONS, AND METHOD FOR MAKING THE SAME 有权具有微合金添加剂的薄铸造产品及其制造方法公开(公告)号：US20080219879A1
公开(公告)日：2008-09-11
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
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％。
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