PLATED STEEL SHEET HAVING EXCELLENT PLATING ADHESION AND CORROSION RESISTANCE AFTER HOT PRESS FORMING, PREPARATION METHOD FOR PLATED STEEL SHEET, AND HOT PRESSED FORMING MEMBER

Number of patents in Portfolio can not be more than 2000

United States of America

APP PUB NO 20240401173A1
SERIAL NO

18691253

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present disclosure relates to a plated steel sheet for hot press forming, having excellent paint adhesion and corrosion resistance after hot press forming; a preparation method for the plated steel sheet; and a hot press formed member. The plated steel sheet according to an aspect of the present disclosure comprises a base steel sheet and a plating layer consisting of Al—Fe alloy formed on the base steel sheet, wherein the sum of contents of Al and Fe in the plating layer is 80% or more by weight, the average content of Fe in the plating layer is 20% or more by weight, and the product of Ra and RPC of the surface of the plating layer may be 60-150 μm/cm. Here, Ra represents arithmetic mean roughness and the unit thereof is μm, and RPc represents the number of peaks per unit length and the unit thereof is /cm.

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Patent Owner(s)

Patent OwnerAddress
POSCO CO LTD6261 DONGHAEAN-RO NAM-GU GYEONGSANGBUK-DO POHANG-SI 37859

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Sang-Heon Gwangyang-si, Jeollanam-do, KR 65 300
Kim, Seong-Woo Gwangyang-si, Jeollanam-do, KR 75 237
Lee, Ru-Ri Gwangyang-si, Jeollanam-do, KR 2 11
Lee, Sea-Woong Gwangyang-si, Jeollanam-do, KR 16 7
Oh, Jin-Keun Gwangyang-si, Jeollanam-do, KR 68 270
Park, Jae-Seong Gwangyang-si, Jeollanam-do, KR 9 17

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