STEEL WIRE EXCELLENT IN CONDUCTIVITY

PROBLEM TO BE SOLVED: To provide a steel wire having strength for being a raw material for ACSR and small in electrical resistivity.SOLUTION: A steel wire excellent in conductivity and containing C:0.40 to 0.70%, Si:0.02 to 0.35%, Mn:0.10 to 0.90% with limitation of N:0.010% or less, P:0.03% or less...

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Bibliographic Details
Main Authors MANABE TOSHIYUKI, OFUJI YOSHIHIRO, HIRAGAMI DAISUKE
Format Patent
LanguageEnglish
Japanese
Published 13.10.2016
Subjects
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:PROBLEM TO BE SOLVED: To provide a steel wire having strength for being a raw material for ACSR and small in electrical resistivity.SOLUTION: A steel wire excellent in conductivity and containing C:0.40 to 0.70%, Si:0.02 to 0.35%, Mn:0.10 to 0.90% with limitation of N:0.010% or less, P:0.03% or less and S:0.03% or less and the balance Fe with inevitable impurities, where 80% or more of a metallographic structure in a cross section is a perlite structure and 20% or less of a ferrite structure is contained, an average lamellar interval of the perlite structure is 100 to 170 nm and further average length of lamellar cementite in the perlite is 1.5 μm or less.SELECTED DRAWING: None 【課題】ＡＣＳＲ用の素材となる強度を有し、かつ電気抵抗率の低い鋼線材を提供する。【解決手段】Ｃ：０．４０〜０．７０％、Ｓｉ：０．０２〜０．３５％、Ｍｎ：０．１０〜０．９０％、を含有すると共に、Ｎ：０．０１０％以下、Ｐ：０．０３％以下、Ｓ：０．０３％以下に制限し、残部はＦｅおよび不可避不純物から成り、断面内の金属組織が８０％以上のパーライト組織で、且つ２０％以下のフェライト組織を含み、前記パーライト組織の平均ラメラー間隔が１００〜１７０ｎｍであり、更に前記パーライト中のラメラーセメンタイトの平均長さが１．５μｍ以下であることを特徴とする、導電性に優れた鋼線材を採用する。【選択図】なし
Bibliography:Application Number: JP20150060540