Verfahren zum Stumpfschweissen eines Stahlteils und Zugehöriges Stahlteil

Details

Veröffentlichungs-Nr.

EP4732987

Anmeldetag

16. November 2022

Veröffentlichung

29. April 2026

Rechtsraum

EP

IPC

(TELENKO JR MICHAEL et al.)

Abstract

Method for butt-welding two steel sheets comprising the steps of: -Providing two steel sheets (1, 2), -On all the faces having a zinc based metallic coating thickness Znth above 3.5 microns and a steel sheet substrate (12) with a Carbon content above 0.15% or a Silicon content above 0.5% or both: removing at least part of said metallic coating to form an ablation area before welding (6) having a Zinc-based metallic coating thickness after ablation Znab which is equal to or lower than 3.5 microns and in such a way that the width of the ablation area after welding (8) is equal to or greater than 0.5mm, -butt welding said steel sheets (1, 2) using at least a laser source.

Anmelder

Firma

ArcelorMittal

Land

🇱🇺 Luxemburg