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    • 1. 发明授权
    • Steel wire of high strength excellent in fatigue characteristics
    • 钢丝强度高,疲劳特性优良
    • US5725689A
    • 1998-03-10
    • US553283
    • 1995-11-28
    • Seiki NishidaJunji NakashimaOsami SerikawaIkuo Ochiai
    • Seiki NishidaJunji NakashimaOsami SerikawaIkuo Ochiai
    • C22C38/00C22C38/20
    • C22C38/00
    • 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.
    • 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℃。