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1.发明授权Spring produced by a process comprising coiling a hard drawn steel wire excellent in fatigue strength and resistance to setting 有权通过包括卷绕疲劳强度和耐凝固性的硬拉丝钢丝的方法制造的弹簧公开(公告)号：US07763123B2
公开(公告)日：2010-07-27
申请号：US12507428
申请日：2009-07-22
申请人： Sumie Suda , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
发明人： Sumie Suda , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
CPC分类号： C22C38/34 , C21D8/06 , C21D9/52 , C22C38/02 , C22C38/04 , Y10S148/908 , Y10T29/479
摘要： Disclosed is a hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a steel wire containing 0.5 to 0.7 mass % of C, 1.0 to 1.95 mass % of Si, 0.5 to 1.5 mass % of Mn and 0.5 to 1.5 mass % of Cr, with the balance being Fe and inevitable impurities. In the steel wire, the number of carbides having circle-equivalent diameters of 0.1 μm or more is 5 particles/100 μm2 or less.
摘要翻译： 公开了一种硬拉伸弹簧，其表现出等于或优于使用油回火线产生的弹簧的疲劳强度和下垂阻力。 硬拉伸弹簧使用含有C：0.5〜0.7质量％，Si：1.0〜1.95质量％，Mn：0.5〜1.5质量％，Cr：0.5〜1.5质量％的钢线，余量为Fe， 不可避免的杂质。 在钢丝中，圆当量直径为0.1μm以上的碳化物的数量为5个/100μm2以下。
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2.发明授权公开(公告)号：US07597768B2
公开(公告)日：2009-10-06
申请号：US10508945
申请日：2003-03-26
申请人： Sumie Suda , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
发明人： Sumie Suda , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
CPC分类号： C22C38/34 , C21D8/06 , C21D9/52 , C22C38/02 , C22C38/04 , Y10S148/908 , Y10T29/479
摘要： Disclosed is a hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a steel wire containing 0.5 to 0.7 mass % of C, 1.0 to 1.95 mass % of Si, 0.5 to 1.5 mass % of Mn and 0.5 to 1.5 mass % of Cr, with the balance being Fe and inevitable impurities. In the steel wire, the number of carbides having circle-equivalent diameters of 0.1 μm or more is 5 particles/100 μm2 or less.
摘要翻译： 公开了一种硬拉伸弹簧，其表现出等于或优于使用油回火线产生的弹簧的疲劳强度和下垂阻力。 硬拉伸弹簧使用含有C：0.5〜0.7质量％，Si：1.0〜1.95质量％，Mn：0.5〜1.5质量％，Cr：0.5〜1.5质量％的钢线，余量为Fe， 不可避免的杂质。 在钢丝中，圆当量直径为0.1μm以上的碳化物的数量为5个/ 100m 2以下。
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3.发明申请STEEL WIRE FOR HARD DRAWN SPRING EXCELLENT IN FATIGUE STRENGTH AND RESISTANCE TO SETTLING, AND HARD DRAWN SPRING 有权用于硬拉伸弹簧的钢丝线具有耐疲劳强度和耐冲击性和硬拉伸弹性公开(公告)号：US20090283181A1
公开(公告)日：2009-11-19
申请号：US12507428
申请日：2009-07-22
申请人： Sumie SUDA , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
发明人： Sumie SUDA , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
CPC分类号： C22C38/34 , C21D8/06 , C21D9/52 , C22C38/02 , C22C38/04 , Y10S148/908 , Y10T29/479
摘要： Disclosed is a hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a steel wire containing 0.5 to 0.7 mass % of C, 1.0 to 1.95 mass % of Si, 0.5 to 1.5 mass % of Mn and 0.5 to 1.5 mass % of Cr, with the balance being Fe and inevitable impurities. In the steel wire, the number of carbides having circle-equivalent diameters of 0.1 μm or more is 5 particles/100 μm2 or less.
摘要翻译： 公开了一种硬拉伸弹簧，其表现出等于或优于使用油回火线产生的弹簧的疲劳强度和下垂阻力。 硬拉伸弹簧使用含有C：0.5〜0.7质量％，Si：1.0〜1.95质量％，Mn：0.5〜1.5质量％，Cr：0.5〜1.5质量％的钢线，余量为Fe， 不可避免的杂质。 在钢丝中，圆当量直径为0.1μm以上的碳化物的数量为5个/ 100m 2以下。
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4.发明申请Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring 有权硬拉伸弹簧钢丝疲劳强度和抗沉降性优良，硬拉伸弹簧优良公开(公告)号：US20050173028A1
公开(公告)日：2005-08-11
申请号：US10508945
申请日：2003-03-26
申请人： Sumie Suda , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
发明人： Sumie Suda , Nobuhiko Ibaraki , Nao Yoshihara , Shigetsugu Yoshida , Koji Harada
CPC分类号： C22C38/34 , C21D8/06 , C21D9/52 , C22C38/02 , C22C38/04 , Y10S148/908 , Y10T29/479
摘要： Disclosed is a hard-drawn spring which exhibits fatigue strength and sag resistance equal or superior to springs produced using an oil-tempered wire. The hard-drawn spring is produced using a steel wire containing 0.5 to 0.7 mass % of C, 1.0 to 1.95 mass % of Si, 0.5 to 1.5 mass % of Mn and 0.5 to 1.5 mass % of Cr, with the balance being Fe and inevitable impurities. In the steel wire, the number of carbides having circle-equivalent diameters of 0.1 μm or more is 5 particles/100 μm2 or less.
摘要翻译： 公开了一种硬拉伸弹簧，其表现出等于或优于使用油回火线产生的弹簧的疲劳强度和下垂阻力。 硬拉伸弹簧使用含有C：0.5〜0.7质量％，Si：1.0〜1.95质量％，Mn：0.5〜1.5质量％，Cr：0.5〜1.5质量％的钢线，余量为Fe， 不可避免的杂质。 在钢丝中，圆当量直径为0.1μm以上的碳化物的数量为5个/100μm以下。
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