Steel wire for high-strength springs and method of producing the same
    1.
    发明授权
    Steel wire for high-strength springs and method of producing the same 有权
    高强度弹簧用钢丝及其制造方法

    公开(公告)号:US06338763B1

    公开(公告)日:2002-01-15

    申请号:US09407103

    申请日:1999-09-27

    IPC分类号: C21D902

    摘要: This invention provides an oil-tempered wire having high strength (tensile strength of not less than 1960 MPa) and excellent workability and specifically provides a steel wire for high-strength springs comprising as steel components, in weight percent, C   0.4-0.7% Si   1.2-2.5% Mn   0.1-0.5% Cr   0.4-2.0% Al 0.0001-0.005%, and being limited to P not more than 0.015% and S not more than 0.015%, the balance being Fe and unavoidable impurities, the steel wire having no nonmetallic inclusions of a size greater than 15 &mgr;m, a tensile strength of not less than 1960 MPa, and a yield ratio (&sgr;0.2/&sgr;B) of not less than 0.8 and not greater than 0.9 or a yield ratio (&sgr;0.2/&sgr;B) of not less than 0.8 and an amount of residual austenite of not greater than 6%. This invention also provides a method of producing the steel wire.

    摘要翻译: 本发明提供一种具有高强度(抗拉强度不低于1960MPa)和优异的加工性的油回火丝,具体提供了一种用于高强度弹簧的钢丝,其包括重量百分比,余量为Fe和不可避免的钢组分 杂质,钢丝不具有大于15μm的非金属夹杂物,拉伸强度不小于1960MPa,屈服比(σ0.2/σB)不小于0.8且不大于0.9或不大于0.9 屈服比(σ0.2/σB)不小于0.8,残余奥氏体量不大于6%。 本发明还提供一种钢丝的制造方法。

    Bainite wire rod and wire for drawing and methods of producing the same
    3.
    发明授权
    Bainite wire rod and wire for drawing and methods of producing the same 失效
    贝氏体线材和拉丝线及其制造方法

    公开(公告)号:US5658399A

    公开(公告)日:1997-08-19

    申请号:US530116

    申请日:1995-10-05

    摘要: This invention provides bainite wire rod and wire excellent in drawability and methods of producing the same.The bainite wire rod or wire is characterized in that it contains, in weight percent, C: 0.80-0.90%, Si: 0.10-1.50% and Mn: 0.10-1.00%, if required contains Cr: 0.10-1.00%, and is limited to P: not more than 0.02%, S: not more than 0.01% and A1: not more than 0.003%, the remainder being Fe and unavoidable impurities, and has tensile strength and reduction of area determined by the following equations (1) and (2),TS.ltoreq.85.times.(C)+60 (1)RA.gtoreq.-0.875.times.(TS)+158 (2)whereC: carbon content (wt%),TS: tensile strength (kgf/mm.sup.2), andRA: reduction of area (%).

    摘要翻译: PCT No.PCT / JP94 / 00574 Sec。 371日期1995年10月5日第 102(e)日期1995年10月5日PCT 1994年4月6日PCT PCT。 公开号WO94 / 23083 日期1994年10月13日本发明提供了可拉伸性优良的贝氏体线材和线材及其制造方法。 贝氏体线材或丝线的特征在于,如果需要,其含有C:0.80-0.90%,Si:0.10-1.50%和Mn:0.10-1.00%,并且为 限于P:不大于0.02%,S:不大于0.01%,Al:不大于0.003%,余量为Fe和不可避免的杂质,具有下列等式(1)确定的面积的拉伸强度和面积缩小率, 和(2)TS = 85×(C)+60(1)RA> / = -0.875x(TS)+158(2)其中C:碳含量(wt%),TS:拉伸强度(kgf / mm2),RA:面积减少(%)。

    Balanced low-pass filter
    4.
    发明授权
    Balanced low-pass filter 失效
    平衡低通滤波器

    公开(公告)号:US5446427A

    公开(公告)日:1995-08-29

    申请号:US242635

    申请日:1994-05-13

    摘要: The present invention relates to a balanced low-pass filter characterized in comprising a pair of input terminals and a pair of output terminals, wherein a pair of coils is connected in series in a negatively coupled manner between a first input terminal and a first output terminal and a pair of coils is connected in series in a negatively coupled manner between a second input terminal and a second output terminal, the connection point between each pair of coils and each end of each coil opposite to the connection point being connected across to the corresponding point of the corresponding pair of coils, with capacitors therebetween, and the coils being wound on the same bobbin in such a manner that each pair of negatively coupled coils is formed in adjacent winding portions.

    摘要翻译: 本发明涉及一种平衡低通滤波器,其特征在于包括一对输入端和一对输出端,其中一对线圈以负耦合的方式串联连接在第一输入端和第一输出端 并且一对线圈以负耦合的方式串联连接在第二输入端和第二输出端之间,每对线圈之间的连接点和与连接点相对的每个线圈的每个端连接到相应的 相对的一对线圈的点,其间具有电容器,并且线圈被卷绕在相同的线轴上,使得每对负耦合线圈形成在相邻绕组部分中。

    High-carbon steel wire rod and wire excellent in drawability and methods
of producing the same
    5.
    发明授权
    High-carbon steel wire rod and wire excellent in drawability and methods of producing the same 失效
    高碳钢线材和拉丝性优良的线材及其制造方法

    公开(公告)号:US5650027A

    公开(公告)日:1997-07-22

    申请号:US545676

    申请日:1995-10-31

    摘要: This invention relates to high-carbon steel wire rod and wire excellent in drawability and methods of producing the same.The high carbon steel wire rod or wire excellent in is characterized in that it contains, in weight percent, C: 0.80-0.90%, Si: 0.10-1.50% and Mn: 0.10-1.00, is limited to P: not more than 0.02%, S: not more than 0.01% and Al: not more than 0.003%, the remainder being Fe and unavoidable impurities, and has a microstructure of, in terms of area ratio, not less than 80% upper bainite texture obtained by two-stepped transformation and an Hv of not more than 450. The high-carbon steel wire rod or wire may additionally contain Cr: 0.10-1.00% as an alloying component.The high-carbon steel wire rod or wire according to this invention can be drawn to an appreciably higher reduction of area than prior art products and also has improved delamination resistance property.The invention also enables production of high-carbon steel wire rod or wire excellent in ductility, elimination of intermediate heat treatment in the secondary processing step, a large reduction in cost, a shortening of production period, and a reduction of equipment expenses.

    摘要翻译: PCT No.PCT / JP94 / 00578 Sec。 371日期1995年10月31日 102(e)日期1995年10月31日PCT 1994年4月6日PCT PCT。 WO94 / 28187 PCT出版物 日期1994年12月8日本发明涉及可拉伸性优良的高碳钢线材和线材及其制造方法。 特别优选的高碳钢线材或线材的特征在于,以重量百分比计含有C:0.80-0.90%,Si:0.10-1.50%和Mn:0.10-1.00,其含量限于P:不大于0.02 %,S:0.01%以下,Al:0.003%以下,余量为Fe和不可避免的杂质,面积比为80%以上时,微细结构不低于80% 高档钢丝或钢丝可以另外含有Cr:0.10-1.00%的合金成分。 根据本发明的高碳钢线材或线材可以被拉伸到比现有技术产品明显更高的面积减小,并且还具有改善的耐分层性能。 本发明还能够生产具有良好的延展性的高碳钢线材或线材,在二次加工步骤中消除中间热处理,大大降低成本,缩短生产周期以及减少设备费用。

    Method of producing steel wires each having very small diameter, high
strength and excellent ductility
    6.
    发明授权
    Method of producing steel wires each having very small diameter, high strength and excellent ductility 失效
    制造各种直径非常小,强度高,延展性好的钢丝绳的制造方法

    公开(公告)号:US5248353A

    公开(公告)日:1993-09-28

    申请号:US835432

    申请日:1992-02-25

    CPC分类号: C21D8/06 C21D9/64

    摘要: The present invention is concerned with a method of producing steel wires each having a very small diameter of 0.4 mm or less and a tensile strength of 360 kgf/mm.sup.2 or more wherein a steel material having a composition comprisingC: 0.90 to 1.10% by weight, Si: 0.4% or less by weight, Mn: 0.5% or less by weight, Cr: 0:10 to 0.30% by weight and a balance of iron an unavoidable impurities is subjected to diffusion treatment as desired, thereafter, the steel material is subjected to hot rolling, the hot-rolled steel wire is subjected to drawing, subsequently, the resultant steel rod having a smaller diameter is subjected to a final patenting treatment to give said rod a strength of 140 to 160 kgf/mm.sup.2, and thereafter, it is subjected to drawing with a true strain of 3.50 or more using a die having a die approach angle of 8 to 12 degrees.

    摘要翻译: PCT No.PCT / JP90 / 00837 Sec。 371日期:1992年2月25日 102(e)日期1992年2月25日PCT Filed 1990年6月27日PCT公布。 公开号WO92 / 00393 日本1992年1月9日。本发明涉及一种钢丝的制造方法,每根钢丝的直径为0.4mm以下,拉伸强度为360kgf / mm 2以上,其特征在于, :0.90〜1.10重量%,Si:0.4重量%以下,Mn:0.5重量%以下,Cr:0:10〜0.30重量%,将不可避免的杂质的铁余量进行扩散处理,作为 此后,对钢材进行热轧,对热轧钢丝进行拉伸,然后对直径较小的钢棒进行最终的专利处理,使棒的强度为140〜 160kgf / mm2,然后使用具有8〜12度的模具接近角度的模具进行3.50以上的真实应变的拉伸。

    Flexible fluid transport pipe having hydrogen-induced cracking resistant
high-strength steel
    7.
    发明授权
    Flexible fluid transport pipe having hydrogen-induced cracking resistant high-strength steel 失效
    具有氢诱导抗裂性高强度钢的柔性流体输送管

    公开(公告)号:US5117874A

    公开(公告)日:1992-06-02

    申请号:US455338

    申请日:1990-02-13

    IPC分类号: C22C38/00 C22C38/04 G02B6/44

    CPC分类号: G02B6/4459 C22C38/00

    摘要: High-strength steel having excellent hydrogen-induced crack resistance, particularly in an environment of wet hydrogen sulfide and wires made thereof and their assembly, steel pipes, steel bands and shielding wires for marine cable are disclosed. This steel contains 0.40 to 0.70% of C, 0.1 to 1% of Si, 0.2 to 1% of Mn, up to 0.25% of P and up to 0.010% of S, and further, if necessary, 0.008 to 0.050% of Al and the balance of Fe and unavoidable impurities, and has a spheroidized structure. In addition, a flexible sour fluid transport pipe made of the high-strength steel band having the above-described composition and a tensile strength of 50 to 80 kg/mm.sub.2 is also disclosed.

    摘要翻译: PCT No.PCT / JP89 / 00444 Sec。 371日期1990年2月13日 102(e)1990年2月13日PCT PCT 1989年4月27日提交PCT。 WO89 / 10420 PCT公开号 日本特开1989年11月2日公开了一种具有优异的氢诱发抗裂性的高强度钢,特别是在湿式硫化氢及其制成的线及其组装,钢管,钢带和船用电缆屏蔽线的环境中。 该钢含有C:0.40〜0.70%,Si 0.1〜1%,Mn:0.2〜1%,P:0.25以下,S:0.010%以下,进一步,根据需要,含有0.008〜0.050%的Al 余量为Fe和不可避免的杂质,并具有球化结构。 此外,还公开了由具有上述组成和拉伸强度为50至80kg / mm 2的高强度钢带制成的柔性酸流体输送管。

    Steel wire of high strength excellent in fatigue characteristics
    8.
    发明授权
    Steel wire of high strength excellent in fatigue characteristics 失效
    钢丝强度高,疲劳特性优良

    公开(公告)号:US5725689A

    公开(公告)日:1998-03-10

    申请号:US553283

    申请日:1995-11-28

    IPC分类号: C22C38/00 C22C38/20

    CPC分类号: C22C38/00

    摘要: The present invention provides a steel wire rod of high strength and a steel wire of high strength excellent in fatigue characteristics used for an extra fine steel wire of high strength and high ductility which is used for a steel cord, a belt cord, and the like for reinforcing rubbers and organic materials such as a tire, a belt and a hose, and for a steel wire of high strength which is used for a rope, a PC wire, and the like. The steel of the present invention comprises, based on mass, 0.7 to 1.1% of C, 0.1 to 1.5% of Si, 0.1 to 1.5% of Mn, up to 0.02% of P, up to 0.02% of S and the balance Fe and unavoidable impurities, and contains nonmetallic inclusions at least 80% of which comprise 4 to 60% of CaO+MnO, 22 to 87% of SiO.sub.2 and 0 to 46% of Al.sub.2 O.sub.3 and have melting points up to 1,500.degree. C.

    摘要翻译: PCT No.PCT / JP94 / 01665 Sec。 371日期:1995年11月28日 102(e)日期1995年11月28日PCT 1994年10月5日PCT PCT。 出版物WO95 / 26422 日期:1995年10月5日本发明提供一种高强度高强度钢线材和强度高,耐疲劳特性优良的钢丝,用于钢帘线用的超强度高延展性的超细钢丝,带 帘线等用于增强橡胶和有机材料如轮胎,带和软管,以及用于绳索,PC线等的高强度钢丝。 本发明的钢基于质量含有0.7-1.1%的C,0.1-1.5%的Si,0.1-1.5%的Mn,至多0.02的P,至多0.02的S,余量为Fe 和不可避免的杂质,并且含有至少80%的非金属夹杂物包含4〜60%的CaO + MnO,22〜87%的SiO 2和0〜46%的Al 2 O 3,熔点高达1500℃。

    Bainite wire rod and wire for drawing and methods of producing the same
    9.
    发明授权
    Bainite wire rod and wire for drawing and methods of producing the same 失效
    贝氏体线材和拉丝线及其制造方法

    公开(公告)号:US5662747A

    公开(公告)日:1997-09-02

    申请号:US530122

    申请日:1995-10-05

    摘要: This invention provides bainite wire rod and wire excellent in drawability and methods of producing the same.The bainite wire rod or wire is characterized in that it contains, in weight percent, C : 0.90-1.10%, Si : not more than 0.40% and Mn : not more than 0.50%, if required contains Cr : 0.10-0.30%., and is limited to Al : not more than 0.003%, P : not more than 0.02% and S : not more than 0.01%, the remainder being Fe and unavoidable impurities, and has tensile strength and reduction of area determined by the following equations (1) and (2),TS.ltoreq.85.times.(C)+60 (1)RA.gtoreq.-0.875.times.(TS)+158 (2)whereC : carbon content (wt %),TS : tensile strength (kgf/mm.sup.2), andRA : reduction of area (%).

    摘要翻译: PCT No.PCT / JP94 / 00577 Sec。 371日期1995年10月5日第 102(e)日期1995年10月5日PCT 1994年4月6日PCT PCT。 出版物WO94 / 23084 日期1994年10月13日本发明提供了可拉伸性优良的贝氏体线材和线材及其制造方法。 贝氏体线材或丝线的特征在于,如果需要,其含有C:0.90-1.10%,Si:不大于0.40%,Mn:不大于0.50%,其含有Cr:0.10-0.30%。 ,并且限于Al:不大于0.003%,P:不大于0.02%,S:不大于0.01%,剩余部分为Fe和不可避免的杂质,并且具有由下列等式确定的面积的拉伸强度和减小面积 (1)和(2),TS = 85x(C)+60(1)RA> / = -0.875x(TS)+158(2)其中C:碳含量(wt%),TS:拉伸强度 (kgf / mm2),RA:面积减少(%)。

    High-carbon steel wire rod and wire excellent in drawability and methods
of producing the same
    10.
    发明授权
    High-carbon steel wire rod and wire excellent in drawability and methods of producing the same 失效
    高碳钢线材和拉丝性优良的线材及其制造方法

    公开(公告)号:US5665182A

    公开(公告)日:1997-09-09

    申请号:US545674

    申请日:1995-10-31

    摘要: This invention provides high-carbon steel wire rod and wire excellent in drawability and methods of producing the same.The high-carbon steel wire rod or wire is characterized in that it contains, in weight percent, C: 0.90-1.10%, Si: not more than 0.40% and Mn: not more than 0.50%, is limited to P: not more than 0.02%, S: not more than 0.01% and Al: not more than 0.003%, the remainder being Fe and unavoidable impurities, and has a microstructure of, in terms of area ratio, not less than 80% upper bainite texture obtained by two-stepped transformation and an Hv of not more than 450. The high-carbon steel wire rod or wire may additionally contain Cr: 0.10-0.30% as an alloying component.

    摘要翻译: PCT No.PCT / JP94 / 00579 Sec。 371日期1995年10月31日 102(e)日期1995年10月31日PCT 1994年4月6日PCT PCT。 公开号WO94 / 28188 日期1994年12月8日本发明提供了可拉伸性优良的高碳钢线材和线材及其制造方法。 高碳钢线材或线材的特征在于,其含有重量百分比为C:0.90-1.10%,Si:不大于0.40%,Mn:不大于0.50%,限于P:不大于 0.02%以上,S:0.01%以下,Al:0.003%以下,剩余部分为Fe和不可避免的杂质,面积比为80%以上的贝氏体组织的组织 两级变形,Hv为450以下。高碳钢线材或钢丝可以含Cr:0.10〜0.30%作为合金成分。