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    • 2. 发明授权
    • Aluminum type plated steel sheet and heat shrink band using the same
    • 铝型电镀钢板和使用其的热收缩带
    • US07968210B2
    • 2011-06-28
    • US11815834
    • 2006-02-09
    • Kunio NishimuraMasayuki AbeHaruhiko EguchiYoshihisa Takada
    • Kunio NishimuraMasayuki AbeHaruhiko EguchiYoshihisa Takada
    • B32B15/18B32B15/20
    • B32B15/012C22C38/004C22C38/02C22C38/04Y10S428/939Y10T428/1266Y10T428/12757
    • An exemplary embodiment of an aluminum type plated steel sheet which excels in discoloration resistance, and weldability, which does not decorate after re-heating and which can prevent increasing of strength, and a heat shrink band using the same are provided. For example, the heat shrink band can be made of an aluminum type plated steel sheet consisting of a steel sheet being composed of, e.g., not more than about 0.005 mass % of C; not more than about 0.005 mass % of N; not less than about 0.1 mass % and not more than about 0.5 mass % of Si; not more than about 0.1 mass % of P; not more than about 0.02 mass % of S; not less than about 1.05 mass % and not more than 2.0 mass % of Mn; not more than 1.0 mass % of sol Al; a residual amount of Fe and inevitable impurities, and an aluminum type plated layer mainly consisting of Al being deposited thereon. Such exemplary sheet can be prevented from a discoloration upon, e.g., being re-heated at a temperature of not less than about 500° C. to not more than about 700° C.
    • 提供了耐变色性优异的铝型电镀钢板的示例性实施例,以及再加热后不能装饰并且可以防止强度增加的可焊性,以及使用其的热收缩带。 例如,热收缩带可以由由例如不超过约0.005质量%的C构成的钢板构成的铝型电镀钢板制成, 不超过约0.005质量%的N; 不小于约0.1质量%且不大于约0.5质量%的Si; 不大于约0.1质量%的P; 不超过约0.02质量%的S; 不小于1.05质量%且不大于2.0质量%的Mn; 不大于1.0质量%的溶胶Al; 残余量的Fe和不可避免的杂质,以及主要由Al沉积的铝型镀层。 可以防止例如在不低于约500℃至不超过约700℃的温度下再加热时的变色。
    • 4. 发明申请
    • ALUMINUM TYPE PLATED STEEL SHEET AND HEAT SHRINK BAND USING THE SAME
    • 铝型钢板和使用它的热收缩带
    • US20090011275A1
    • 2009-01-08
    • US11815834
    • 2006-02-09
    • Kunio NishimuraMasayuki AbeHaruhiko EguchiYoshihisa Takada
    • Kunio NishimuraMasayuki AbeHaruhiko EguchiYoshihisa Takada
    • B32B15/01
    • B32B15/012C22C38/004C22C38/02C22C38/04Y10S428/939Y10T428/1266Y10T428/12757
    • An exemplary embodiment of an aluminum type plated steel sheet which excels in discoloration resistance, and weldability, which does not decorate after re-heating and which can prevent increasing of strength, and a heat shrink band using the same are provided. For example, the heat shrink band can be made of an aluminum type plated steel sheet consisting of a steel sheet being composed of, e.g., not more than about 0.005 mass % of C; not more than about 0.005 mass % of N; not less than about 0.1 mass % and not more than about 0.5 mass % of Si; not more than about 0.1 mass % of P; not more than about 0.02 mass % of S; not less than about 1.05 mass % and not more than 2.0 mass % of Mn; not more than 1.0 mass % of sol Al; a residual amount of Fe and inevitable impurities, and an aluminum type plated layer mainly consisting of Al being deposited thereon. Such exemplary sheet can be prevented from a discoloration upon, e.g., being re-heated at a temperature of not less than about 500° C. to not more than about 700° C.
    • 提供了耐变色性优异的铝型电镀钢板的示例性实施例,以及再加热后不能装饰并且可以防止强度增加的可焊性,以及使用其的热收缩带。 例如,热收缩带可以由由例如不超过约0.005质量%的C构成的钢板构成的铝型电镀钢板制成, 不超过约0.005质量%的N; 不小于约0.1质量%且不大于约0.5质量%的Si; 不大于约0.1质量%的P; 不超过约0.02质量%的S; 不小于1.05质量%且不大于2.0质量%的Mn; 不大于1.0质量%的溶胶Al; 残余量的Fe和不可避免的杂质,以及主要由Al沉积的铝型镀层。 可以防止例如在不低于约500℃至不超过约700℃的温度下再加热时的变色。
    • 5. 发明授权
    • High-strength hot-dip galvanized steel sheet and method for producing the same
    • 高强度热浸镀锌钢板及其制造方法
    • US07736449B2
    • 2010-06-15
    • US11977537
    • 2007-10-24
    • Yoshihisa TakadaMasayoshi SuehiroMasao KurosakiHidekuni MurakamiHiroyasu FujiiHaruhiko EguchiHisaaki Sato
    • Yoshihisa TakadaMasayoshi SuehiroMasao KurosakiHidekuni MurakamiHiroyasu FujiiHaruhiko EguchiHisaaki Sato
    • C23C2/28
    • C22C38/02C21D1/185C21D1/74C21D8/0273C21D8/0278C21D9/46C22C38/008C22C38/04C22C38/06C22C38/08C22C38/12C22C38/16C23C2/02C23C2/40Y10T29/301Y10T428/12799Y10T428/12951
    • The present invention stably provides a high-strength hot-dip galvanized steel sheet having a high tensile strength and no non-plated portions and being excellent in workability and surface properties even when the employed equipment has only a reduction annealing furnace and a steel sheet containing relatively large amounts of Si, Mn and Al that are regarded as likely to cause non-plated portions is used as the substrate. The present invention: secures good plating performance even when the steel sheet contains Si, Mn and Al by adding Ni to a steel sheet, thus forming oxides at some portions in the steel sheet surface layer, and resultantly suppressing the surface incrassation of Si, Mn and Al at the portions where oxides are not formed; enhances the effect of Ni and accelerates the formation of oxides by further adding Mo, Cu and Sn; and moreover, in the case of a TRIP steel sheet, secures austenite by determining the ranges of Si and Al strictly, avoiding the deterioration of plating performance caused by the addition of Ni, and further adding Mo in a balanced manner.In addition, the present invention, in a TRIP steel sheet, improves press formability by regulating a retained austenite ratio and accelerates the formation of oxides by regulating a hydrogen concentration and a dew point in annealing before plating.
    • 本发明稳定地提供了具有高拉伸强度和无镀层部分的高强度热浸镀锌钢板,并且即使所用设备仅具有还原退火炉和含有 被认为可能引起非电镀部分的相对大量的Si,Mn和Al被用作衬底。 本发明:即使在钢板中含有Si,Mn和Al的钢板中也添加了Ni,从而在钢板表面层的某些部分形成氧化物,也可以确保良好的镀层性,从而抑制Si,Mn 和Al在不形成氧化物的部分; 通过进一步添加Mo,Cu和Sn,增强Ni的作用并加速氧化物的形成; 此外,在TRIP钢板的情况下,通过严格地确定Si和Al的范围来确保奥氏体,避免由于添加Ni而引起的电镀性能的劣化,并且进一步以平衡的方式添加Mo。 此外,本发明在TRIP钢板中,通过调节残留奥氏体比例,通过调节镀层前退火时的氢浓度和露点来促进氧化物的形成,提高冲压成形性。