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1. (WO2018221989) STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE TO HYDROGEN DELAYED FRACTURE, AND METHOD FOR MANUFACTURING SAME
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Pub. No.: WO/2018/221989 International Application No.: PCT/KR2018/006255
Publication Date: 06.12.2018 International Filing Date: 31.05.2018
IPC:
B21D 35/00 (2006.01) ,B21D 22/02 (2006.01) ,C23C 26/00 (2006.01)
[IPC code unknown for B21D 35][IPC code unknown for B21D 22/02][IPC code unknown for C23C 26]
Applicants:
주식회사 포스코 POSCO [KR/KR]; 경상북도 포항시 남구 동해안로 6261 (괴동동) (Goedong-dong) 6261, Donghaean-ro, Nam-gu Pohang-si, Gyeongsangbuk-do 37859, KR
Inventors:
김성우 KIM, Seong-Woo; KR
오진근 OH, Jin-Keun; KR
조열래 CHO, Yeol-Rae; KR
Agent:
특허법인 씨엔에스 C&S PATENT AND LAW OFFICE; 서울시 강남구 언주로 30길 13, 대림아크로텔 7층 7th Floor, Daelim Acrotel 13 Eonju-ro 30-gil Gangnam-gu, Seoul 06292, KR
Priority Data:
10-2017-006865101.06.2017KR
10-2017-010156710.08.2017KR
Title (EN) STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE TO HYDROGEN DELAYED FRACTURE, AND METHOD FOR MANUFACTURING SAME
(FR) TÔLE D'ACIER POUR ÉLÉMENT FORMÉ À LA PRESSE À CHAUD PRÉSENTANT UNE EXCELLENTE RÉSISTANCE À LA FRACTURE RETARDÉE PAR L'HYDROGÈNE, ET SON PROCÉDÉ DE FABRICATION
(KO) 수소지연파괴 저항성이 우수한 열간 프레스 성형 부재용 강판 및 그 제조방법
Abstract:
(EN) The present invention relates to a steel sheet for a hot press formed member having excellent resistance to hydrogen delayed fracture, and a method for manufacturing the same. A steel sheet for a hot press formed member according to one aspect of the present invention may comprise: a base steel sheet; an aluminum alloy plated layer on a surface of the base steel sheet; and an oxide layer which is formed on a surface of the plated layer and has a thickness of 0.05 μm or more.
(FR) La présente invention concerne une tôle d'acier pour élément formé à la presse à chaud présentant une excellente résistance à la fracture retardée par l'hydrogène, et son procédé de fabrication. Une tôle d'acier pour un élément formé à la presse à chaud selon un aspect de la présente invention peut comprendre: une tôle d'acier de base; une couche plaquée avec un alliage d'aluminium sur une surface de la tôle d'acier de base; et une couche d'oxyde qui est formée sur une surface de la couche plaquée et présente une épaisseur d'au moins 0,05 μm.
(KO) 본 발명은 수소지연파괴 저항성이 우수한 열간 프레스 성형 부재용 강판 및 그 제조방법에 관한 것이다. 본 발명의 한가지 측면에 따른 열간 프레스 성형 부재용 강판은 소지강판, 상기 소지강판의 표면에 알루미늄 합금 도금층 및 상기 도금층의 표면에 형성된 두께 0.05㎛ 이상의 산화물 층을 포함할 수 있다.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Korean (KO)
Filing Language: Korean (KO)