Beschichtetes Stahlblech

Details

Veröffentlichungs-Nr.

EP4741153

Anmeldetag

3. Juli 2024

Veröffentlichung

9. Januar 2025

Rechtsraum

EP

Abstract

[PROBLEM] To provide a painted steel sheet which can be further improved in corrosion resistance and productivity while having a low-gloss paint film layer having a particle or a thin film portion. [SOLUTION] Provided is a painted steel sheet including two or more paint film layers including a rust preventive paint film layer on at least one side of a steel sheet having a Zn-containing plating layer, wherein: a 60-degree specular glossiness Gs (60°) specified in JIS Z 8741:1997 of the paint film layer on at least one face of the steel sheet is 20% or less; an average film thickness of the rust preventive paint film layer is 5 µm or more and 15 µm or less; the rust preventive paint film layer contains a binder resin, a cross-linking agent, and a rust preventive pigment; and in a cross section obtained by cutting the paint film layer in a thickness direction at an arbitrary position, a coverage ratio of the rust preventive pigment to a total area of the rust preventive paint film layer is 30% or more and 60% or less in terms of area ratio.

Anmelder

Firma

Nippon Steel Corporation

Land

🇯🇵 Japan