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1. 发明授权

US4801341A One-sided enamelable hot-rolled steel sheet and process for producing the same 失效
标题翻译：单面搪瓷热轧钢板及其制造方法
公开(公告)号：US4801341A
公开(公告)日：1989-01-31
申请号：US79805
申请日：1987-07-31
申请人： Atsushi Itami , Kazuo Koyama , Nobuhiko Matsuzu , Takahito Watanabe
发明人： Atsushi Itami , Kazuo Koyama , Nobuhiko Matsuzu , Takahito Watanabe
IPC分类号： C21D9/46 , C21D8/02 , C22C38/00 , C22C38/06 , C23D5/00
CPC分类号： C22C38/001 , C22C38/06
摘要： A hot-rolled steel sheet suitable for enamelling on one side is disclosed. The steel consists essentially of 0.0050-0.07 wt % C, 0.05-1.5 wt % Mn, 0.03 0.15 wt % P, 0.03-0.1 wt % Al, 0.003-0.010 wt % N, provided that the N content is the sum of at least 0.002 wt % of free nitrogen not bound to Al and the content of nitrogen in other states, the nitrogen content as defined above satisfying the condition of Al/N.gtoreq.10 on the basis of weight percents and the balance being Fe and incidental impurities.
摘要翻译：公开了一方面适用于一面的搪瓷的热轧钢板。钢基本上由0.0050-0.07重量％C，0.05-1.5重量％Mn，0.03重量％P，0.03-0.1重量％Al，0.003-0.010重量％N组成，条件是N含量至少为 0.002重量％的不结合Al的游离氮和其他状态下的氮含量，上述氮含量基于重量百分比满足Al / N> / = 10的条件，余量为Fe和附带杂质。

2. 发明授权

US4769088A Process for producing hot-rolled steel sheet having high r value 失效
标题翻译：具有高，高值的热轧钢板的制造方法
公开(公告)号：US4769088A
公开(公告)日：1988-09-06
申请号：US11824
申请日：1987-02-06
申请人： Atsushi Itami , Kazuo Koyama , Hiroshi Katoh , Nobuhiko Matsuzu
发明人： Atsushi Itami , Kazuo Koyama , Hiroshi Katoh , Nobuhiko Matsuzu
IPC分类号： C21D9/46 , C21D8/02 , C21D8/04 , C21D9/48 , C22C38/00 , C22C38/12 , C22C38/14
CPC分类号： C21D8/0226 , C22C38/12 , C22C38/14 , C21D8/04
摘要： An r value of a hot-rolled steel sheet is enhanced by: a specific composition consisting of not more than 0.015 wt % of C, from 1.0 to 2.5 wt % of Mn, from 0.005 to 0.10 wt % of Al, from 0.01 to 0.06 wt % of Nb, from 0.01 to 0.1 wt % of Ti; and, controlled rolling, characterized by in the rough rolling, imparting, in a temperature range of from 980.degree. to 1100.degree. C., a heavy reduction of not less than 20% per pass to the steel sheet; completing a finishing rolling at from Ar.sub.3 to 930.degree. C. and maintaining a total reduction at a temperature of not more than Ar.sub.3 +150.degree. C. to not less than 90%; and, coiling at a temperature of from 600.degree. to 800.degree. C.
摘要翻译：通过以下方式提高热轧钢板的上下限值：由不大于0.015重量％的C，1.0〜2.5重量％的Mn，0.005〜0.10重量％的Al，0.01〜 0.06重量％的Nb，0.01〜0.1重量％的Ti; 并进行轧制，其特征在于粗轧，在980℃〜1100℃的温度范围内，每次通过钢板的重量减少20％以上; 完成从Ar3到930℃的精轧，并且在不高于Ar3 + 150℃的温度下保持总的还原至不低于90％; 并在600〜800℃的温度下卷取。

3. 发明授权

US4956025A Process for producing cold-rolled high strength steel sheet having excellent formability and conversion-treatability 失效
标题翻译：具有优异的成形性和转化处理性的冷轧高强度钢板的制造方法
公开(公告)号：US4956025A
公开(公告)日：1990-09-11
申请号：US292120
申请日：1988-12-30
申请人： Kazuo Koyama , Taketoshi Taira , Kaoru Kawasaki , Atsushi Itami , Nobuhiko Matsuzu
发明人： Kazuo Koyama , Taketoshi Taira , Kaoru Kawasaki , Atsushi Itami , Nobuhiko Matsuzu
IPC分类号： C21D9/46 , C21D8/02 , C21D8/04 , C21D9/56 , C22C38/00 , C22C38/14 , C23C22/78
CPC分类号： C21D8/0426 , C21D8/0436 , C21D8/0473
摘要： A process for producing a cold-rolled high strength steel sheet having an excellent formability and conversion-treatability, comprising the steps of: heating to a temperature of 1150.degree. C. or lower, a steel slab comprising; 0.005 wt % or less of C, 0.5-1.5 wt % of Si, 0.1-0.5 wt % of Mn, 0.003-0.05 wt % and at least 3.4.times.N wt % of Ti, 0.003-0.05 wt % and at least 7.8.times.C wt % of Nb, 0.01-0.1 wt % of Al, 0.05-0.15 wt % of P, 0.010 wt % or less of S, 0.005 wt % or less of N, 0.0001-0.0050 wt % of B, the balance consisting of Fe and unavoidable impurities; hot-rolling the steel slab with a finishing rolling temperature of the A.sub.r3 point of the steel or higher to obtain a hot-rolled steel sheet; cooling the hot-rolled steel sheet at a cooling rate of 10.degree. C./sec or more in the stage between said finishing rolling and the following coiling step, with the provision that said cooling is started not later than 2 sec after the hot-rolling is finished and is continued for a duration of at least 3 sec; coiling the steel sheet at a temperature of 650.degree. C. or higher; cold-rolling the steel sheet at a usual rolling draft; and continuous-annealing the cold-rolled steel sheet at a heat-cycle of holding for 1 sec or longer at a temperature of 930.degree. C. or lower to complete the recrystallization of the cold-rolled steel sheet.
摘要翻译：一种制造具有优异的成形性和转化处理性的冷轧高强度钢板的方法，包括以下步骤：加热至1150℃或更低的温度，包括： 0.005重量％以下的C，0.5-1.5重量％的Si，0.1-0.5重量％的Mn，0.003-0.05重量％和至少3.4×N重量％的Ti，0.003-0.05重量％和至少7.8重量％的Nb，0.01〜0.1重量％的Al，0.05〜0.15重量％的P，0.010重量％以下的S，0.005重量％以下的N，0.0001-0.0050重量％的B，余量由Fe和不可避免的杂质; 以钢的Ar3点的精轧温度对钢坯进行热轧或更高的热轧，得到热轧钢板; 在所述精轧和后续卷取步骤之间的阶段以10℃/秒以上的冷却速度冷却热轧钢板，其条件是所述冷却不迟于热轧后的2秒开始，轧制完成并持续至少3秒的持续时间; 在650℃以上的温度下卷取钢板; 以通常的轧制条件对钢板进行冷轧; 在930℃以下的温度下保持1秒以上的热循环，对冷轧钢板进行连续退火，完成冷轧钢板的再结晶。

4. 发明授权

US6129992A High-strength cold rolled steel sheet and high-strength plated steel sheet possessing improved geomagnetic shielding properties and process for producing the same 失效
标题翻译：具有改善的地磁屏蔽性能的高强度冷轧钢板和高强度电镀钢板及其制造方法
公开(公告)号：US6129992A
公开(公告)日：2000-10-10
申请号：US348227
申请日：1999-07-06
申请人： Yasuharu Sakuma , Satoru Tanaka , Kazuo Koyama , Yujiro Miyauchi , Takeshi Kubota , Atsushi Itami , Hiroaki Kato , Chohachi Sato , Teruo Takeuchi
发明人： Yasuharu Sakuma , Satoru Tanaka , Kazuo Koyama , Yujiro Miyauchi , Takeshi Kubota , Atsushi Itami , Hiroaki Kato , Chohachi Sato , Teruo Takeuchi
IPC分类号： C21D8/02 , C21D8/12 , C22C38/00 , C22C38/02 , C22C38/04 , H01F1/00
CPC分类号： C22C38/004 , C21D8/0236 , C21D8/1233 , C21D8/1277 , C22C38/001 , C22C38/002 , C22C38/02 , C22C38/04 , C21D8/1222 , C21D8/1272 , Y10S428/90 , Y10S428/928 , Y10S428/935 , Y10T428/12465 , Y10T428/12799 , Y10T428/12937 , Y10T428/12951
摘要： Provided are a high strength cold rolled steel sheet and a high strength plated steel sheet possessing improved geomagnetic shielding properties, that is, having a high relative permeability in a d.c. magnetic field around 0.3 Oe, a process for producing the same, and an explosion-proof band or an outer magnetic shielding material, for television cathode-ray tubes, using the steel sheet. An ultra low carbon steel, which has a carbon content of not more than 0.0060% and has been subjected to solid solution strengthening utilizing silicon and magnesium without relying upon precipitation strengthening, is deoxidized with silicon so that aluminum is substantially absent in the steel. Alternatively, when the ultra low carbon steel is deoxidized with aluminum, boron is added to inhibit the precipitation of AlN. Next, the deoxidized steel is finish rolled at 750 to 980.degree. C., cold rolled with a reduction ratio of 60 to 90%, and then annealed in the temperature range of 750.degree. C. to the Ac.sub.3 point in a continuous annealing equipment or an in-line annealing type continuous galvanizing equipment to bring the ferrite grain diameter in the metallographic structure to 10 to 200 .mu.m.
摘要翻译：本发明提供一种具有改善的地磁屏蔽性能的高强度冷轧钢板和高强度电镀钢板，即在直流电场中具有高的相对磁导率。约0.3Oe的磁场，其制造方法，以及使用该钢板的电视阴极射线管的防爆带或外部磁屏蔽材料。碳含量不大于0.0060％的超低碳钢，用硅和镁进行固溶强化而不依赖于析出强化，用硅进行脱氧，从而钢中基本上不存在铝。或者，当超低碳钢用铝脱氧时，加入硼以抑制AlN的沉淀。接着，将脱氧钢在750〜980℃精轧，以60〜90％的压下率进行冷轧，然后在连续退火设备中在750℃的温度范围内退火至Ac3点，在线退火型连续镀锌设备使金相组织中的铁素体晶粒直径达到10〜200μm。

5. 发明申请

US20110232807A1 High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same 有权
标题翻译：高屈服比和高强度薄钢板在焊接性和延展性方面优异，高产率高强度热浸镀锌薄板，高产率高强度热浸合金化热镀锌薄钢板，以及生产相同
公开(公告)号：US20110232807A1
公开(公告)日：2011-09-29
申请号：US13134294
申请日：2011-06-03
申请人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
发明人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
IPC分类号： C22C38/02
CPC分类号： C22C38/02 , C21D6/005 , C21D8/02 , C21D8/0278 , C21D9/46 , C22C38/04 , C22C38/12 , C23C2/02 , C23C2/26 , Y10T428/12799
摘要： High yield ratio high-strength thin steel sheet superior in weldability and ductility characterized by; being comprised of steel containing, by mass %, C: over 0.030 to less than 0.10%, Si: 0.30 to 0.80%, Mn: 1.7 to 3.2%, P: 0.001 to 0.02%, S: 0.0001 to 0.006%, Al: 0.060% or less, N: 0.0001 to 0.0070%, containing further Ti: 0.01 to 0.055%, Nb: 0.012 to 0.055%, Mo: 0.07 to 0.55%, B: 0.0005 to 0.0040%, and simultaneously statisfying 1.1≦4×Ti(%)+20×Nb(%)+3×Mo(%)+300×B(%)≦3.7, the balance comprised of iron and unavoidable impurities, and having a yield ratio of 0.64 to less than 0.92, a TS×El of 3320 or more, an YR×TS×El1/2 of 2320 or more, and a maximum tensile strength (TS) of 780 MPa or more.
摘要翻译：焊接性和延展性优异的高屈服比高强度薄钢板，由以质量％计含有C：0.030〜小于0.10％，Si：0.30〜0.80％，Mn：1.7〜3.2％，P：0.001〜0.02％，S：0.0001〜0.006％的Al， 0.060％以下，N：0.0001〜0.0070％，进一步含有Ti：0.01〜0.055％，Nb：0.012〜0.055％，Mo：0.07〜0.55％，B：0.0005〜0.0040％，同时排列1.1＆ Ti（％）+ 20×Nb（％）+ 3×Mo（％）+ 300×B（％）＆nlE; 3.7，余量由铁和不可避免的杂质构成，屈服比为0.64〜 TS×El为3320以上，YR×TS×El1 / 2为2320以上，最大拉伸强度（TS）为780MPa以上。

6. 发明授权

US08747577B2 High yield ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same 有权
标题翻译：高屈服比和高强度薄钢板在焊接性和延展性方面优异，高产率高强度热浸镀锌薄板，高产率高强度热浸合金化热镀锌薄钢板，以及生产相同
公开(公告)号：US08747577B2
公开(公告)日：2014-06-10
申请号：US13134294
申请日：2011-06-03
申请人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
发明人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
IPC分类号： C22C38/02 , C22C38/04 , C22C38/12 , C22C38/14
CPC分类号： C22C38/02 , C21D6/005 , C21D8/02 , C21D8/0278 , C21D9/46 , C22C38/04 , C22C38/12 , C23C2/02 , C23C2/26 , Y10T428/12799
摘要： High yield ratio high-strength hot rolled thin steel sheet superior in weldability and ductility comprising, by mass %, C: over 0.030 to less than 0.10%, Si: 0.30 to 0.80%, Mn: 1.7 to 3.2%, P: 0.001 to 0.02%, S: 0.0001 to 0.006%, Al: 0.060% or less, N: 0.0001 to 0.0070%, containing further Ti: 0.01 to 0.055%, Nb: 0.012 to 0.055%, Mo: 0.07 to 0.55%, B: 0.0005 to 0.0040%, and simultaneously satisfying 1.1≦14×Ti(%)+20×Nb(%)+3×Mo(%)+300×B(%)≦3.7, the balance comprised of iron and unavoidable impurities, and having a yield ratio of 0.64 to less than 0.92, a TS×El1/2 of 3320 or more, an YR×TS×El1/2 of 2320 or more, and a maximum tensile strength (TS) of 780 MPa or more.
摘要翻译：可屈服性和延展性优异的高屈服比高强度热轧薄钢板，以质量％计含有C：0.030〜小于0.10％，Si：0.30〜0.80％，Mn：1.7〜3.2％，P：0.001〜 0.02％，S：0.0001〜0.006％，Al：0.060％以下，N：0.0001〜0.0070％，进一步含有Ti：0.01〜0.055％，Nb：0.012〜0.055％，Mo：0.07〜0.55％，B：0.0005 至0.0040％，同时满足1.1＆nlE; 14×Ti（％）+ 20×Nb（％）+ 3×Mo（％）+ 300×B（％）＆nlE; 3.7，余量由铁和不可避免的杂质构成，屈服比为0.64〜小于0.92，TS×El1 / 2为3320以上，YR×TS×El1 / 2为2320以上，最大拉伸强度（TS）为780MPa以上。

7. 发明申请

US20140178712A1 HIGH YIELD RATIO HOT ROLLED STEEL SHEET WHICH HAS EXCELLENT LOW TEMPERATURE IMPACT ENERGY ABSORPTION AND HAZ SOFTENING RESISTANCE AND METHOD OF PRODUCTION OF SAME 审中-公开
标题翻译：具有优异的低温冲击能量吸收和耐高温电阻的高效率热轧钢板及其制造方法
公开(公告)号：US20140178712A1
公开(公告)日：2014-06-26
申请号：US14236371
申请日：2012-08-08
申请人： Naoki Maruyama , Naoki Yoshinaga , Masafumi Azuma , Yasuharu Sakuma , Atsushi Itami
发明人： Naoki Maruyama , Naoki Yoshinaga , Masafumi Azuma , Yasuharu Sakuma , Atsushi Itami
IPC分类号： C22C38/50 , C22C38/48 , C22C38/42 , C22C38/16 , C22C38/00 , C22C38/12 , C22C38/06 , C22C38/04 , C22C38/02 , C21D8/02 , C22C38/14
CPC分类号： C22C38/50 , C21D8/0263 , C21D8/0426 , C21D8/0473 , C21D8/0484 , C21D9/56 , C21D2211/002 , C21D2211/005 , C22C38/001 , C22C38/002 , C22C38/005 , C22C38/02 , C22C38/04 , C22C38/06 , C22C38/12 , C22C38/14 , C22C38/16 , C22C38/42 , C22C38/48 , C23C2/02 , Y10T428/12972
摘要： Hot rolled steel sheet which has a maximum tensile strength of 600 MPa or more and has an excellent low temperature impact energy absorption and HAZ softening resistance and a method of production of the same are provided, that is, sheet which contains, by mass %, C: 0.04 to 0.09%, Si: 0.4% or less, Mn: 1.2 to 2.0%, P: 0.1% or less, S: 0.02% or less, Al: 1.0% or less, Nb: 0.02 to 0.09%, Ti: 0.02 to 0.07%, and N: 0.005% or less, where 2.0≦Mn+8[% Ti]+12[% Nb]≦2.6, has a balance of Fe and unavoidable impurities, has an area percentage of pearlite of 5% or less, has a total area percentage of martensite and retained austenite of 0.5% or less, has a balance of a metal structure of ferrite and/or bainite, has an average grain size of ferrite and bainite of 10 μm or less, has an average particle size of alloy carbonitrides with incoherent interfaces which contain Ti and Nb of 20 nm or less, and has a yield ratio of 0.85 or more.
摘要翻译：具有最大抗张强度为600MPa以上且具有优异的低温冲击能量吸收和HAZ耐软化性的热轧钢板及其制造方法，即以质量％计， C：0.04〜0.09％，Si：0.4％以下，Mn：1.2〜2.0％，P：0.1％以下，S：0.02％以下，Al：1.0％以下，Nb：0.02〜0.09％，Ti ：0.02〜0.07％，N：0.005％以下，其中2.0＆nlE; Mn + 8 [％Ti] +12 [％Nb]＆nlE; 2.6，其余为Fe和不可避免的杂质，具有珠光体的面积百分比为5％以下，具有0.5％以下的马氏体和残留奥氏体的总面积百分比，铁素体和/或贝氏体的金属结构的平衡，铁素体和贝氏体的平均粒径为10μm以下具有包含Ti和Nb为20nm以下的非相干界面的合金碳氮化物的平均粒径，并且屈服比为0.85以上。

8. 发明授权

US08084143B2 High-yield-ratio and high-strength thin steel sheet superior in weldability and ductility, high-yield-ratio high-strength hot-dip galvanized thin steel sheet, high-yield ratio high-strength hot-dip galvannealed thin steel sheet, and methods of production of same 有权
标题翻译：高屈服比和高强度薄钢板，其焊接性和延展性优良，高产率高强度热浸镀锌薄板，高产率高强度热浸合金化热镀锌薄钢板，以及生产方法相同
公开(公告)号：US08084143B2
公开(公告)日：2011-12-27
申请号：US10574053
申请日：2004-09-30
申请人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
发明人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
IPC分类号： C22C38/12 , C22C38/14
CPC分类号： C22C38/02 , C21D6/005 , C21D8/02 , C21D8/0278 , C21D9/46 , C22C38/04 , C22C38/12 , C23C2/02 , C23C2/26 , Y10T428/12799
摘要： High yield ratio high-strength thin steel sheet superior in weldability and ductility characterized by: being comprised of steel containing, by mass %, C: over 0.030 to less than 0.10%, Si: 0.30 to 0.80%, Mn: 1.7 to 3.2%, P: 0.001 to 0.02%, S: 0.0001 to 0.006%, Al: 0.060% or less, N: 0.0001 to 0.0070%, containing further Ti: 0.01 to 0.055%, Nb: 0.012 to 0.055%, Mo: 0.07 to 0.55%, B: 0.0005 to 0.0040%, and simultaneously satisfying 1.1 ≦14×Ti(%)+20×Nb(%)+3×Mo(%)+300×B(%)≦3.7, the balance comprised or iron and unavoidable impurities, and having a yield ratio of 0.64 to less than 0.92, a TS×E11/2 of 3320 or more, an YR×TS×EL1/2 of 2320 or more, and a maximum tensile strength (TS) of 780 MPa or more.
摘要翻译：优异的可焊性和延展性的高屈服比高强度薄钢板，其特征在于：由以质量％计含有C：0.030以上且小于0.10％Si：0.30〜0.80％，Mn：1.7〜3.2％，P：0.001〜0.02％，S：0.0001〜0.006％，Al：0.060％以下，N：0.0001〜0.0070％，进一步含有Ti：0.01〜0.055％，Nb：0.012〜0.055％，Mo：0.07〜0.55 ％，B：0.0005〜0.0040％，同时满足1.1＆nlE; 14×Ti（％）+ 20×Nb（％）+ 3×Mo（％）+ 300×B（％）＆nlE; 3.7，铁和不可避免的杂质，其屈服比为0.64〜小于0.92，TS×E11 / 2为3320以上，YR×TS×EL1 / 2为2320以上，最大拉伸强度（TS）为 780MPa以上。

9. 发明申请

US20070029015A1 High-yield-ratio high-strength thin steel sheet and high-yield-ratio high-strength hot-dip galvanized thin steel sheet excelling in weldability and ductility as well as high-yield ratio high-strength alloyed hot-dip galvanized thin steel sheet and process for producing the same 有权
标题翻译：高屈服比高强度薄钢板和高屈服比高强度热浸镀锌薄钢板，具有优异的焊接性和延展性以及高产率高强度合金化热浸镀锌薄钢板及其制造方法
公开(公告)号：US20070029015A1
公开(公告)日：2007-02-08
申请号：US10574053
申请日：2004-09-30
申请人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
发明人： Naoki Yoshinaga , Shunji Hiwatashi , Yasuharu Sakuma , Atsushi Itami
IPC分类号： C22C38/00 , C23C2/06
CPC分类号： C22C38/02 , C21D6/005 , C21D8/02 , C21D8/0278 , C21D9/46 , C22C38/04 , C22C38/12 , C23C2/02 , C23C2/26 , Y10T428/12799
摘要： High yield ratio high-strength thin steel sheet D superior in weldability and ductility characterized by; being comprised of steel containing, by mass %, C: over 0.030 to less than 0.10%, Si: 0.30 to 0.80%, Mn: 1.7 to 3.2%, P: 0.001 to 0,02%, S: 0.0001 to 0.006%, Al: 0.060% or less, N: 0.0001 to 0.0070%, containing further c Ti: 0.01 to 0.055%, Nb: 0.012 to 0.055%, Mo: 0.07 to 0.55%, B: 0.0005 to 0.0040%, and simultaneously statisfying 1.1≦14×Ti(%)+20×Nb(%)+3×Mo(%)+300×B(%)≦3.7, the balance comprised of iron and unavoidable impurities, and having a yield ratio of 0.64 to less than 0.92, a TS×El of 3320 or more, an YR×TS×El1/2 of 2320 or more, and a maximum tensile strength (TS) of 780 MPa or more.
摘要翻译：高屈服比高强度薄钢板D具有优异的焊接性和延展性，其特征在于：由以质量％计含有C：0.030〜小于0.10％，Si：0.30〜0.80％，Mn：1.7〜3.2％，P：0.001〜0.02％，S：0.0001〜0.006％的钢， Al：0.060％以下，N：0.0001〜0.0070％，进一步含有Ti：0.01〜0.055％，Nb：0.012〜0.055％，Mo：0.07〜0.55％，B：0.0005〜0.0040％ = 14xTi（％）+ 20xNb（％）+ 3xMo（％）+ 300xB（％）<= 3.7，余量由铁和不可避免的杂质组成，屈服比为0.64至小于0.92，TSxE1为3320或更优选为2320以上的YRxTSxE1 / 2/2，最大拉伸强度（TS）为780MPa以上。

10. 发明申请

US20060222882A1 Alloyed-molten-zinc-plated steel sheet with excellent processability and high strength and process for producing the same 有权
标题翻译：合金化的镀锌钢板，其加工性能好，强度高，制造方法高
公开(公告)号：US20060222882A1
公开(公告)日：2006-10-05
申请号：US10540589
申请日：2002-12-26
申请人： Kazuhiko Honda , Masaharu Kameda , Yasuharu Sakuma , Akio Saito , Tetsuo Nishiyama , Atsushi Itami
发明人： Kazuhiko Honda , Masaharu Kameda , Yasuharu Sakuma , Akio Saito , Tetsuo Nishiyama , Atsushi Itami
IPC分类号： B05D1/18 , C23C2/28 , C21D1/70 , C25D5/10
CPC分类号： B32B15/013 , C21D8/0278 , C22C18/00 , C22C38/02 , C22C38/04 , C22C38/06 , C23C2/06 , C23C2/28 , Y10T29/301 , Y10T428/12799
摘要： Galvannealed steel sheet simultaneously able to achieve excellent workability and high strength and a method of production of the same are provided as an objective, in particular high strength galvannealed steel sheet excellent in workability, comprising high strength steel sheet containing, by mass %, C: 0.05 to 0.15%, Si: 0.3 to 2.0%, Mn: 1.0 to 2.8%, P: 0.03% or less, S: 0.02% or less, Al: 0.005 to 0.5%, and N: 0.0060% or less and a balance of Fe and unavoidable impurities, where, when % C, % Si, and % Mn respectively represent the C, Si, and Mn contents, (% Mn)/(% C)≧12 and (% Si)/(% C)≧4 being satisfied, on the surface of which having a galvannealed layer containing Al: 0.05 to 0.5 mass % and Fe: 5 to 15 mass % and a balance of Zn and unavoidable impurities, said steel sheet satisfying a relationship of tensile strength F (MPa) and elongation L (%) of L≧52−0.035×F.
摘要翻译：提供同时能够实现优异的加工性和高强度的加热冷却钢板及其制造方法，作为目的，特别是加工性优异的高强度合金化热浸镀锌钢板，包括以质量％计含有C： 0.05〜0.15％，Si：0.3〜2.0％，Mn：1.0〜2.8％，P：0.03％以下，S：0.02％以下，Al：0.005〜0.5％，N：0.0060％的Fe和不可避免的杂质，其中当％C，％Si和％Mn分别表示C，Si和Mn含量时，（％Mn）/（％C）> = 12和（％Si）/（％C ）> = 4，其表面具有含有Al：0.05〜0.5质量％的合金化热浸镀层，Fe：5〜15质量％，余量为Zn和不可避免的杂质，所述钢板满足拉伸强度 L> = 52-0.035×F的F（MPa）和伸长率L（％）。

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