Title (en)

ALUMINUM ALLOY-PLATED STEEL SHEET HAVING EXCELLENT RESISTANCE TO WELDING LIQUATION BRITTLENESS AND EXCELLENT PLATING ADHESION

Title (de)

MIT ALUMINIUMLEGIERUNG PLATTIERTES STAHLBLECH MIT AUSGEZEICHNETER BESTÄNDIGKEIT GEGEN SCHWEISSSEIGERUNGSSPRÖDIGKEIT UND HERVORRAGENDER PLATTIERUNGSHAFTUNG

Title (fr)

TÔLE D'ACIER PLAQUÉE D'ALLIAGE D'ALUMINIUM PRÉSENTANT UNE EXCELLENTE RÉSISTANCE À LA FRAGILISATION PAR LIQUATION DE SOUDURE ET UNE EXCELLENTE ADHÉRENCE DE PLACAGE

Publication

EP 3730665 A1 20201028 (EN)

Application

EP 18892684 A 20181218

Priority

• KR 20170178866 A 20171222
• KR 2018016109 W 20181218

Abstract (en)

The present invention relates to an aluminum alloy-plated steel sheet having excellent resistance to welding liquation brittleness and excellent plating adhesion. An aluminum alloy-plated steel sheet according to one aspect of the present invention may include: a base steel sheet; and an aluminum alloy plating film including, in wt%, 5-30% of Zn, 0.5-5% of Mg, and 0.01-3% of Mn.

IPC 8 full level

C23C 2/12 (2006.01); C22C 21/10 (2006.01); C23C 2/26 (2006.01); C23C 2/40 (2006.01)

CPC (source: EP KR US)

C22C 21/10 (2013.01 - EP KR); C23C 2/12 (2013.01 - EP KR); C23C 2/26 (2013.01 - EP US); C23C 2/29 (2022.08 - EP KR US); C23C 2/40 (2013.01 - EP KR); C23C 2/526 (2022.08 - KR); C23C 28/023 (2013.01 - EP); C23C 28/027 (2013.01 - EP); C23C 28/028 (2013.01 - EP); C23C 30/00 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3730665 A1 20201028; EP 3730665 A4 20201230; CN 111492087 A 20200804; CN 111492087 B 20221206; KR 102043522 B1 20191112; KR 20190076796 A 20190702; WO 2019124927 A1 20190627

DOCDB simple family (application)

EP 18892684 A 20181218; CN 201880082832 A 20181218; KR 20170178866 A 20171222; KR 2018016109 W 20181218