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High Manganese High Strength Steel Sheets With Excellent Crashworthiness, And Method For Manufacturing Of It
Abstract: There are provided a high-workability high strength steel sheet with excellent workability due to the high elongation and excellent crashworthiness due to the high yield strength, and a method for manufacturing of it. The high manganese steel sheet includes, by weight: carbon (C): 0.2 to 1.5%, manganese (Mn): 10 to 25%, aluminum (Al): 0.01 to 3.0%, phosphorus (P) 0.03% or less, sulfur (S): 0.03% or less, nitrogen (N): 0.040% or less, at least one selected from the group consisting of silicon (Si): 0.02 to 2.5%, titanium (Ti): 0.01 to 0.10% and niobium (Nb): 0.01 to 0.10%, and the balance of Fe and other inevitable impurities. The high manganese steel sheet may be a hot-rolled steel sheet, a cold-rolled steel sheet, or a plated steel sheet, ...
Notices, Deadlines & Correspondence
Patent Information
Applicants
POSCO
Inventors
1. KIM Sung Kyu
2. CHIN Kwang Geun
3. SOHN Il Ryoung
Specification
HIGH MANGANESE HIGH STRENGTH STEEL SHEETS WITH EXCELLENT CRASHWORTHINESS, AND METHOD FOR MANUFACTURING OF IT
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 8866-DELNP-2008-GPA-(23-09-2010).pdf | 2010-09-23 |
| 2 | 8866-DELNP-2008-Form-18-(23-09-2010).pdf | 2010-09-23 |
| 3 | 8866-DELNP-2008-Correspondence-Others-(23-09-2010).pdf | 2010-09-23 |
| 4 | 8866-DELNP-2008-Form-3-(09-06-2011).pdf | 2011-06-09 |
| 5 | 8866-DELNP-2008-Correspondence Others-(09-06-2011).pdf | 2011-06-09 |
| 6 | Translation-Search Report.pdf | 2011-08-20 |
| 7 | Priority Document.pdf | 2011-08-20 |
| 8 | Power of Authority.pdf | 2011-08-20 |
| 9 | Form-5.pdf | 2011-08-20 |
| 10 | Form-3.pdf | 2011-08-20 |
| 11 | Form-1.pdf | 2011-08-20 |
| 12 | Drawings.pdf | 2011-08-20 |
| 13 | 8866-DELNP-2008-FER.pdf | 2017-07-03 |
| 14 | 8866-DELNP-2008-Information under section 8(2) (MANDATORY) [29-12-2017(online)].pdf | 2017-12-29 |
| 15 | 8866-DELNP-2008-FORM 3 [29-12-2017(online)].pdf | 2017-12-29 |
| 15 | 8866-DELNP-2008-Information under section 8(2) (MANDATORY) [29-12-2017(online)].pdf | 2017-12-29 |
| 16 | 8866-DELNP-2008-OTHERS [02-01-2018(online)].pdf | 2018-01-02 |
| 17 | 8866-DELNP-2008-FER_SER_REPLY [02-01-2018(online)].pdf | 2018-01-02 |
| 18 | 8866-DELNP-2008-CORRESPONDENCE [02-01-2018(online)].pdf | 2018-01-02 |
| 19 | 8866-DELNP-2008-COMPLETE SPECIFICATION [02-01-2018(online)].pdf | 2018-01-02 |
| 20 | 8866-DELNP-2008-CLAIMS [02-01-2018(online)].pdf | 2018-01-02 |
| 21 | 8866-DELNP-2008-FORM 3 [03-01-2018(online)].pdf | 2018-01-03 |
| 22 | 8866-DELNP-2008-HearingNoticeLetter.pdf | 2018-07-18 |
| 23 | 8866-DELNP-2008-FORM-26 [18-08-2018(online)].pdf | 2018-08-18 |
| 24 | 8866-DELNP-2008-Written submissions and relevant documents (MANDATORY) [31-08-2018(online)].pdf | 2018-08-31 |
| 25 | 8866-DELNP-2008-PETITION UNDER RULE 137 [31-08-2018(online)].pdf | 2018-08-31 |
| 26 | 8866-DELNP-2008-PatentCertificate01-10-2018.pdf | 2018-10-01 |
| 27 | 8866-DELNP-2008-IntimationOfGrant01-10-2018.pdf | 2018-10-01 |
| 28 | 8866-DELNP-2008-RELEVANT DOCUMENTS [20-03-2019(online)].pdf | 2019-03-20 |
Search Strategy
| 1 | 8866delnp2010_07-03-2017.pdf |