公开(公告)号：US08197616B2

公开(公告)日：2012-06-12

申请号：US12158961

申请日：2006-12-26

申请人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jae-Chun Jeon

发明人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jae-Chun Jeon

IPC分类号： C21D8/04 ,  C21D8/02

CPC分类号： C22C38/04 ,  C21D1/32 ,  C21D8/0263 ,  C21D9/46 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/004 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C22C38/32

摘要： A carbon steel sheet having high formability due to a microscopic and uniform carbide distribution and having a good characteristic of final heat treatment, and a manufacturing method thereof. The carbon steel sheet having excellent formability, includes, in wt %, C at 0.2-0.5%, Mn at 0.1-1.2%, Si at less than or equal to 0.4%, Cr at less than or equal to 0.5%, Al at 0.01-0.1%, S at less than or equal to 0.012%, Ti at less than or equal to 0.5×48/14×[N]% when the condition of B(atomic %)/N(atomic %)>1 is satisfied or by 0.5×48/14×[N]% to 0.03% when the condition of B and N is not satisfied, B at 0.0005-0.0080%, N at less than or equal to 0.006%, Fe, and extra inevitable elements; an average size of carbide is less than or equal to 1 μm; and an average grain size of ferrite is less than or equal to 5 μm.

摘要翻译： 由于碳化物分布微观均匀而具有良好的最终热处理特性的高成形性碳钢板及其制造方法。 具有优异成形性的碳钢板以重量％计含有0.2-0.5％的C，0.1-1.2％的Mn，小于或等于0.4％的Si，小于或等于0.5％的Cr，小于或等于0.5％的Cr 0.01-0.1％，S小于或等于0.012％时，B（原子％）/ N（原子％）> 1的条件为小于或等于0.5×48/14×[N] 满足或当不满足B和N的条件时为0.5×48/14×[N]％至0.03％，B为0.0005-0.0080％，N为小于或等于0.006％，Fe和额外的不可避免的元素 ; 碳化物的平均尺寸小于或等于1μm; 铁素体的平均粒径小于或等于5μm。

公开(公告)号：US20120222786A1

公开(公告)日：2012-09-06

申请号：US13471529

申请日：2012-05-15

申请人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jea-Chun Jeon

发明人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jea-Chun Jeon

IPC分类号： C21D8/02 ,  C22C38/14 ,  C22C38/02 ,  C22C38/06 ,  C22C38/32 ,  C22C38/04

CPC分类号： C22C38/04 ,  C21D1/32 ,  C21D8/0263 ,  C21D9/46 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/004 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C22C38/32

摘要： A carbon steel sheet having high formability due to a microscopic and uniform carbide distribution and having a good characteristic of final heat treatment, and a manufacturing method thereof. The carbon steel sheet having excellent formability includes, in wt %, C at 0.2-0.5%, Mn at 0.1-1.2%, Si at less than or equal to 0.4%, Cr at less than or equal to 0.5%, Al at 0.01-0.1%, S at less than or equal to 0.012%, Ti at less than or equal to 0.5×48/14×[N] % to 0.03% when the condition of B and N is not satisfied, B at 0.0005-0.0080%, N at less than or equal to 0.006%, Fe, and extra inevitable elements; an average size of carbide is less than or equal to 1 μm; and an average grain size of ferrite is less than or equal to 5 μm.

摘要翻译： 由于碳化物分布微观均匀而具有良好的最终热处理特性的高成形性碳钢板及其制造方法。 具有优异成形性的碳钢板包括以重量％计，C为0.2-0.5％，Mn为0.1-1.2％，Si为小于或等于0.4％，Cr为小于或等于0.5％，Al为0.01 -0.1％，S小于或等于0.012％，当不满足B和N的条件时，Ti小于或等于0.5×48/14×[N]％至0.03％，B为0.0005-0.0080 ％，N小于或等于0.006％，Fe和额外的不可避免的元素; 碳化物的平均尺寸小于或等于1μm; 铁素体的平均粒径小于或等于5μm。

公开(公告)号：US20100092331A1

公开(公告)日：2010-04-15

申请号：US12520104

申请日：2007-12-18

申请人： Kee Jo Jeong ,  Gyo Sung Kim ,  Jai Ik Kim ,  Chul Ju Park ,  Jae Kon Lee

发明人： Kee Jo Jeong ,  Gyo Sung Kim ,  Jai Ik Kim ,  Chul Ju Park ,  Jae Kon Lee

IPC分类号： C22C38/42 ,  C22C38/02 ,  C22C38/04 ,  C22C38/58 ,  C22C38/14 ,  C22C38/50 ,  C22C38/48 ,  C22C38/12 ,  C22C38/44 ,  B21B23/00 ,  B21D11/14

CPC分类号： C22C38/42 ,  C22C38/48 ,  C22C38/50

摘要： There are provided a high-strength hot-rolled steel sheet having excellent weather resistance used for containers and a method of manufacturing the same. A high-strength hot-rolled steel sheet having excellent weather resistance includes, by weight: C: 0.05 to 0.07%, Mn: 2.5% or less, Nb: 0.04 to 0.06%, Ti: 0.08 to 0.10%, Cu: 0.30 to 0.60%, Cr: 0.5 to 1.0%, and Ni: 0.15 to 0.30%, and the balance of Fe and other inevitable impurities. A method of manufacturing the hot-rolled steel sheet is also provided. A hot-rolled steel sheet provided has weather resistance by addition of Cu, Cr, and Ni and material characteristics of a tensile strength within the range of 800 to 900 MPa and a yield strength within the range of 700 to 800 MPa.

摘要翻译： 提供了一种用于容器的耐候性优异的高强度热轧钢板及其制造方法。 优异的耐候性的高强度热轧钢板包括：C：0.05〜0.07％，Mn：2.5％以下，Nb：0.04〜0.06％，Ti：0.08〜0.10％，Cu：0.30〜 0.60％，Cr：0.5〜1.0％，Ni：0.15〜0.30％，余量为Fe等不可避免的杂质。 还提供了一种制造该热轧钢板的方法。 提供的热轧钢板通过添加Cu，Cr和Ni具有耐候性，并且拉伸强度的材料特性在800-900MPa的范围内，屈服强度在700-800MPa的范围内。

公开(公告)号：US20080295923A1

公开(公告)日：2008-12-04

申请号：US12158961

申请日：2006-12-26

申请人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jea-Chun Jeon

发明人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jea-Chun Jeon

IPC分类号： C21D8/00 ,  C22C38/04

CPC分类号： C22C38/04 ,  C21D1/32 ,  C21D8/0263 ,  C21D9/46 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/004 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C22C38/32

摘要： A carbon steel sheet having high formability due to a microscopic and uniform carbide distribution and having a good characteristic of final heat treatment, and a manufacturing method thereof. The carbon steel sheet having excellent formability, includes, in wt %, C at 0.2-0.5%, Mn at 0.1-1.2%, Si at less than or equal to 0.4%, Cr at less than or equal to 0.5%, Al at 0.01-0.1%, S at less than or equal to 0.012%, Ti at less than or equal to 0.5×48/14×[N]% when the condition of B(atomic %)/N(atomic %)>1 is satisfied or by 0.5×48/14×[N]% to 0.03% when the condition of B and N is not satisfied, B at 0.0005-0.0080%, N at less than or equal to 0.006%, Fe, and extra inevitable elements; an average size of carbide is less than or equal to 1 μm; and an average grain size of ferrite is less than or equal to 5 μm.

摘要翻译： 由于碳化物分布微观均匀而具有良好的最终热处理特性的高成形性碳钢板及其制造方法。 具有优异成形性的碳钢板以重量％计含有0.2-0.5％的C，0.1-1.2％的Mn，小于或等于0.4％的Si，小于或等于0.5％的Cr，小于或等于0.5％的Cr 0.01-0.1％，小于或等于0.012％的S，当满足B（原子％）/ N（原子％）> 1的条件时小于或等于0.5×48/14×[N]％的Ti或 当不满足B和N的条件时，为0.5×48/14×[N]％至0.03％，B为0.0005-0.0080％，N为小于或等于0.006％，Fe为额外不可避免的元素; 碳化物的平均尺寸小于或等于1um; 铁素体的平均粒径小于或等于5μm。

公开(公告)号：US08685181B2

公开(公告)日：2014-04-01

申请号：US13471529

申请日：2012-05-15

申请人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jea-Chun Jeon

发明人： Kyoo-Young Lee ,  Gyo-Sung Kim ,  Han-Chul Shin ,  Chang-Hoon Lee ,  Kee-Cheol Park ,  Jea-Chun Jeon

IPC分类号： C21D8/02 ,  C22C38/04 ,  C22C38/14 ,  C22C38/32

CPC分类号： C22C38/04 ,  C21D1/32 ,  C21D8/0263 ,  C21D9/46 ,  C21D2211/002 ,  C21D2211/003 ,  C21D2211/004 ,  C21D2211/005 ,  C21D2211/009 ,  C22C38/001 ,  C22C38/02 ,  C22C38/06 ,  C22C38/32

摘要： A carbon steel sheet having high formability due to a microscopic and uniform carbide distribution and having a good characteristic of final heat treatment, and a manufacturing method thereof. The carbon steel sheet having excellent formability includes, in wt %, C at 0.2-0.5%, Mn at 0.1-1.2%, Si at less than or equal to 0.4%, Cr at less than or equal to 0.5%, Al at 0.01-0.1%, S at less than or equal to 0.012%, Ti at less than or equal to 0.5×48/14×[N]% to 0.03% when the condition of B and N is not satisfied, B at 0.0005-0.0080%, N at less than or equal to 0.006%, Fe, and extra inevitable elements; an average size of carbide is less than or equal to 1 μm; and an average grain size of ferrite is less than or equal to 5 μm.

摘要翻译： 由于碳化物分布微观均匀而具有良好的最终热处理特性的高成形性碳钢板及其制造方法。 具有优异成形性的碳钢板包括以重量％计，C为0.2-0.5％，Mn为0.1-1.2％，Si为小于或等于0.4％，Cr为小于或等于0.5％，Al为0.01 -0.1％，S小于或等于0.012％，当不满足B和N的条件时，Ti小于或等于0.5×48/14×[N]％至0.03％，B为0.0005-0.0080 ％，N小于或等于0.006％，Fe和额外的不可避免的元素; 碳化物的平均尺寸小于或等于1μm; 铁素体的平均粒径小于或等于5μm。