Plated steel wire for steel cord, and steel cord
By incorporating a brass plating layer with controlled nitrogen and potassium content, the plated steel wires and steel cords achieve superior adhesion and resistance to moisture and heat, addressing the adhesion issues in conventional steel cords under high-temperature and high-humidity conditions.
WO2026126550A1PCT designated stage Publication Date: 2026-06-18SUMITOMO ELECTRIC INDUSTRIES LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- SUMITOMO ELECTRIC INDUSTRIES LTD
- Filing Date
- 2025-07-08
- Publication Date
- 2026-06-18
Smart Images
Figure JP2025024481_18062026_PF_FP_ABST
Abstract
Provided is a plated steel wire for a steel cord, comprising a steel wire and a brass plating layer covering the outer peripheral surface of the steel wire, wherein: the brass plating layer is located on the outermost surface of the plated steel wire for a steel cord; and the nitrogen content of the outermost surface of the brass plating layer is 1.0-10.0 atom%, the nitrogen content being measured through X-ray photoelectron spectroscopy.
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