Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filedfiledCritical
Priority to JP1960888UpriorityCriticalpatent/JPH01127634U/ja
Publication of JPH01127634UpublicationCriticalpatent/JPH01127634U/ja
図面はこの考案に係る鋼線の側面図である。
１……ばね用鋼線。
The drawing is a side view of the steel wire according to this invention.
1... Steel wire for springs.
Claims (1)
【実用新案登録請求の範囲】
(1) 表面粗さが、ＪＩＳＢ０６０１の十点平均 粗さで５μｍ以下であることを特徴とするコイル ばね用鋼線。
(2) 硬度がビツカース硬度Ｈｖ６００以上であ る請求項(1)記載のコイルばね用鋼線。[Claims for Utility Model Registration] (1) A steel wire for a coil spring, characterized in that the surface roughness is 5 μm or less in ten-point average roughness according to JISB0601. (2) The steel wire for coil springs according to claim (1), which has a hardness of Hv600 or more on the Vickers hardness.