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Patent Searching and Data


Title:
針用の線
Document Type and Number:
Japanese Patent JP6467441
Kind Code:
B2
Abstract:
Needle wire (2) is formed from steel that comprises 0.95 mass% to 1.03 mass% of C, 0.15 mass% to 0.35 mass% of Si, 0.60 mass% to 0.80 mass% of Mn, 0.35 mass% to 0.45 mass% or Cr, 0.01 mass% to 0.05 mass% of Mo, 0.10 mass% or less of Ni, and 0.026 mass% or less of P, the balance being Fe and unavoidable impurities. Said wire (2) contains multiple carbide particles in the metal structure thereof. The average particle diameter of said carbides is 0.10 µm to 1.0 µm. The area ratio of said carbides is 10% to 30%. The S content in the steel is 0.003% or less. The Vickers hardness of the wire (2) is 200 to 300.

Inventors:
山川 智弘
Application Number:
JP2017005502A
Publication Date:
February 13, 2019
Filing Date:
January 17, 2017
Export Citation:
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Assignee:
トクセン工業株式会社
International Classes:
C22C38/00; B21G1/06; C21D8/06; C21D9/52; C22C38/44; D04B35/02
Domestic Patent References:
JP2015190036A
JP2006063384A
Foreign References:
WO2017029922A1
Attorney, Agent or Firm:
特許業務法人 有古特許事務所
岡 憲吾
住友 教郎
室橋 克義
笠川 寛
染矢 啓
今村 由賀里
中尾 博臣