KR20160090865A - 열간 성형 강판 부재 및 그 제조 방법 및 열간 성형용 강판 - Google Patents
열간 성형 강판 부재 및 그 제조 방법 및 열간 성형용 강판 Download PDFInfo
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- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
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Abstract
Description
Claims (11)
- 질량%로, C: 0.100% 내지 0.340%, Si: 0.50% 내지 2.00%, Mn: 1.00% 내지 3.00%, P: 0.050% 이하, S: 0.0100% 이하, sol.Al: 0.001% 내지 1.000% 및 N: 0.0100% 이하를 함유하고, 잔량부 Fe 및 불순물로 이루어지는 화학 조성을 갖고,
페라이트와, 템퍼링 마르텐사이트 및 템퍼링 베이나이트의 적어도 한쪽과, 마르텐사이트를 포함하는 강 조직이며, 면적%로, 페라이트: 5% 내지 50%, 템퍼링 마르텐사이트 및 템퍼링 베이나이트: 합계로 20% 내지 70%, 마르텐사이트: 25% 내지 75%, 페라이트, 템퍼링 마르텐사이트, 템퍼링 베이나이트 및 마르텐사이트: 합계로 90% 이상, 잔류 오스테나이트: 0% 내지 5%인 강 조직을 갖는 열간 성형 강판 부재. - 제1항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, Ti: 0.200% 이하, Nb: 0.200% 이하, V: 0.200% 이하, Cr: 1.000% 이하, Mo: 1.000% 이하, Cu: 1.000% 이하 및 Ni: 1.000% 이하로 이루어지는 군에서 선택된 1종 또는 2종 이상을 함유하는, 열간 성형 강판 부재. - 제1항 또는 제2항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, B: 0.0025% 이하를 함유하는, 열간 성형 강판 부재. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, Ca: 0.0100% 이하, Mg: 0.0100% 이하, REM: 0.0100% 이하 및 Zr: 0.0100% 이하로 이루어지는 군에서 선택된 1종 또는 2종 이상을 함유하는, 열간 성형 강판 부재. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, Bi: 0.0100% 이하를 함유하는, 열간 성형 강판 부재. - 질량%로, C: 0.100% 내지 0.340%, Si: 0.50% 내지 2.00%, Mn: 1.00% 내지 3.00%, P: 0.050% 이하, S: 0.0100% 이하, sol.Al: 0.001% 내지 1.000% 및 N: 0.0100% 이하를 함유하고, 잔량부 Fe 및 불순물로 이루어지는 화학 조성을 갖고,
애스펙트비가 2.0 이하인 페라이트와, 마르텐사이트 및 베이나이트 중 적어도 한쪽을 포함하는 강 조직이며, 면적%로, 페라이트: 5% 내지 50%, 마르텐사이트 및 베이나이트: 합계로 45% 내지 90%, 페라이트, 마르텐사이트 및 베이나이트: 합계로 90% 이상인 강 조직을 갖는 열간 성형용 강판. - 제6항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, Ti: 0.200% 이하, Nb: 0.200% 이하, V: 0.200% 이하, Cr: 1.000% 이하, Mo: 1.000% 이하, Cu: 1.000% 이하 및 Ni: 1.000% 이하로 이루어지는 군에서 선택된 1종 또는 2종 이상을 함유하는, 열간 성형용 강판. - 제6항 또는 제7항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, B: 0.0025% 이하를 함유하는, 열간 성형용 강판. - 제6항 내지 제8항 중 어느 한 항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, Ca: 0.0100% 이하, Mg: 0.0100% 이하, REM: 0.0100% 이하 및 Zr: 0.0100% 이하로 이루어지는 군에서 선택된 1종 또는 2종 이상을 함유하는, 열간 성형용 강판. - 제6항 내지 제9항 중 어느 한 항에 있어서,
상기 화학 조성이, Fe의 일부 대신에, 질량%로, Bi: 0.0100% 이하를 함유하는, 열간 성형용 강판. - 제6항 내지 제10항 중 어느 한 항에 기재된 열간 성형용 강판을, 720℃ 이상 Ac3점 미만의 온도 영역으로 가열하고, 상기 가열의 종료부터 열간 성형의 개시까지에 있어서 강판이 공냉에 노출되는 시간을 3초간 내지 20초간으로 하여 열간 성형을 실시하고, 10℃/초 내지 500℃/초의 평균 냉각 속도로 MS점 이하의 온도 영역까지 냉각하는, 열간 성형 강판 부재의 제조 방법.
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| Application Number | Priority Date | Filing Date | Title |
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| JPJP-P-2013-247814 | 2013-11-29 | ||
| JP2013247814 | 2013-11-29 | ||
| PCT/JP2014/081514 WO2015080242A1 (ja) | 2013-11-29 | 2014-11-28 | 熱間成形鋼板部材およびその製造方法ならびに熱間成形用鋼板 |
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| KR1020177037252A Division KR20180001590A (ko) | 2013-11-29 | 2014-11-28 | 열간 성형용 강판 |
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| Publication Number | Publication Date |
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| KR20160090865A true KR20160090865A (ko) | 2016-08-01 |
| KR101814949B1 KR101814949B1 (ko) | 2018-01-04 |
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| KR1020177037252A Ceased KR20180001590A (ko) | 2013-11-29 | 2014-11-28 | 열간 성형용 강판 |
| KR1020167016945A Active KR101814949B1 (ko) | 2013-11-29 | 2014-11-28 | 열간 성형 강판 부재 및 그 제조 방법 |
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| Country | Link |
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| US (1) | US20170029914A1 (ko) |
| EP (1) | EP3075872A4 (ko) |
| JP (2) | JP6341214B2 (ko) |
| KR (2) | KR20180001590A (ko) |
| CN (1) | CN105793455B (ko) |
| CA (1) | CA2931494C (ko) |
| MX (1) | MX2016006777A (ko) |
| RU (1) | RU2625374C1 (ko) |
| TW (1) | TWI544091B (ko) |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190031533A (ko) * | 2016-08-16 | 2019-03-26 | 신닛테츠스미킨 카부시키카이샤 | 열간 프레스 성형 부재 |
| WO2019132262A1 (ko) * | 2017-12-26 | 2019-07-04 | 주식회사 포스코 | 피로균열 전파 억제 특성이 우수한 구조용 고강도 강재 및 그 제조방법 |
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|---|---|---|---|---|
| WO2015080242A1 (ja) * | 2013-11-29 | 2015-06-04 | 新日鐵住金株式会社 | 熱間成形鋼板部材およびその製造方法ならびに熱間成形用鋼板 |
| ES2745428T3 (es) | 2014-01-06 | 2020-03-02 | Nippon Steel Corp | Acero y método para fabricar el mismo |
| CN105874091A (zh) * | 2014-01-06 | 2016-08-17 | 新日铁住金株式会社 | 热成形构件及其制造方法 |
| WO2017006144A1 (en) * | 2015-07-09 | 2017-01-12 | Arcelormittal | Steel for press hardening and press hardened part manufactured from such steel |
| WO2017125773A1 (en) * | 2016-01-18 | 2017-07-27 | Arcelormittal | High strength steel sheet having excellent formability and a method of manufacturing the same |
| JP6717090B2 (ja) * | 2016-07-11 | 2020-07-01 | 日本製鉄株式会社 | 試験装置及び試験方法 |
| US11091817B2 (en) | 2016-08-30 | 2021-08-17 | Jfe Steel Corporation | High-strength steel sheet and method for manufacturing the same |
| JP6424195B2 (ja) * | 2016-11-14 | 2018-11-14 | 株式会社豊田中央研究所 | 熱間プレス成形方法 |
| US11078550B2 (en) | 2016-11-25 | 2021-08-03 | Nippon Steel Corporation | Method for manufacturing quenched molding, method for manufacturing hot press steel material, and hot press steel material |
| WO2018115935A1 (en) * | 2016-12-21 | 2018-06-28 | Arcelormittal | Tempered and coated steel sheet having excellent formability and a method of manufacturing the same |
| WO2018115936A1 (en) | 2016-12-21 | 2018-06-28 | Arcelormittal | Tempered and coated steel sheet having excellent formability and a method of manufacturing the same |
| TWI632240B (zh) * | 2017-01-17 | 2018-08-11 | 新日鐵住金股份有限公司 | Hot stamping formed body and method of manufacturing same |
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- 2014-11-28 CN CN201480063861.2A patent/CN105793455B/zh active Active
- 2014-11-28 RU RU2016125232A patent/RU2625374C1/ru not_active IP Right Cessation
- 2014-11-28 EP EP14865643.2A patent/EP3075872A4/en not_active Withdrawn
- 2014-11-28 TW TW103141409A patent/TWI544091B/zh not_active IP Right Cessation
- 2014-11-28 MX MX2016006777A patent/MX2016006777A/es unknown
- 2014-11-28 KR KR1020167016945A patent/KR101814949B1/ko active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| RU2625374C1 (ru) | 2017-07-13 |
| EP3075872A1 (en) | 2016-10-05 |
| CN105793455B (zh) | 2018-10-12 |
| US20170029914A1 (en) | 2017-02-02 |
| JP2018119214A (ja) | 2018-08-02 |
| JPWO2015080242A1 (ja) | 2017-03-16 |
| MX2016006777A (es) | 2016-09-07 |
| KR101814949B1 (ko) | 2018-01-04 |
| KR20180001590A (ko) | 2018-01-04 |
| JP6341214B2 (ja) | 2018-06-13 |
| WO2015080242A1 (ja) | 2015-06-04 |
| CN105793455A (zh) | 2016-07-20 |
| CA2931494A1 (en) | 2015-06-04 |
| EP3075872A4 (en) | 2017-05-03 |
| CA2931494C (en) | 2019-12-31 |
| TW201529867A (zh) | 2015-08-01 |
| TWI544091B (zh) | 2016-08-01 |
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