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“Hot Working Steel Excellent In Machinability And Impact Value”
Abstract: Disclosed is a hot-worked steel material having excellent machinability and an excellent impact value. Specifically disclosed is a hot-worked steel material which comprises the following components (by mass): C: 0.06-0.85%; Si: 0.01-1.5%; Mn: 0.05-2.0%; P: 0.005-0.2%; S: 0.001-0.35%; Al: 0.06-1.0%; and N: 0.016% or less, which meets a requirement represented by the formula: AlxNx105 ≤ 96, which further comprises Fe and unavoidable impurities as the remainder, and in which the total volume of AlN particles each having an equivalent circular diameter exceeding 200 nm makes up 20% or less of the total volume of all of AlN particlespresent in the steel material.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
21 November 2008
Publication Number
31/2009
Publication Type
INA
Invention Field
METALLURGY
Status
Email
remfry-sagar@remfry.com
Parent Application
Patent Number
Legal Status
Grant Date
2016-12-14
Renewal Date
Applicants
NIPPON STEEL CORPORATION
6-3 Otemachi 2-chome Chiyoda-ku Tokyo
Inventors
1. KEI MIYANISHI
c/o NIPPON STEEL CORPORATION 6-3 Otemachi 2-chome Chiyoda-ku Tokyo 1008071
2. MASAYUKI HASHIMURA
c/o NIPPON STEEL CORPORATION 6-3 Otemachi 2-chome Chiyoda-ku Tokyo 1008071
3. ATSUSHI MIZUNO
c/o NIPPON STEEL CORPORATION 6-3 Otemachi 2-chome Chiyoda-ku Tokyo 1008071
Specification
see the attachment
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 9715-DELNP-2008-RELEVANT DOCUMENTS [23-09-2022(online)].pdf | 2022-09-23 |
| 1 | Translation-Search Report.pdf | 2011-08-20 |
| 2 | 9715-DELNP-2008-RELEVANT DOCUMENTS [26-07-2021(online)].pdf | 2021-07-26 |
| 2 | Priority Document.pdf | 2011-08-20 |
| 3 | Form-5.doc | 2011-08-20 |
| 3 | 9715-DELNP-2008-RELEVANT DOCUMENTS [24-02-2020(online)].pdf | 2020-02-24 |
| 4 | Form-3.doc | 2011-08-20 |
| 4 | 278107-Correspondence-280619.pdf | 2019-07-03 |
| 5 | Form-1.pdf | 2011-08-20 |
| 5 | 278107-OTHERS-280619.pdf | 2019-07-03 |
| 6 | Drawings.pdf | 2011-08-20 |
| 6 | 278107-Power of Attorney-280619.pdf | 2019-07-03 |
| 7 | 9715-DELNP-2008-PROOF OF ALTERATION [24-06-2019(online)].pdf | 2019-06-24 |
| 7 | 9715-delnp-2008-Form-3-(07-08-2012).pdf | 2012-08-07 |
| 8 | 9715-DELNP-2008-RELEVANT DOCUMENTS [22-02-2019(online)].pdf | 2019-02-22 |
| 8 | 9715-delnp-2008-Correspondence Others-(07-08-2012).pdf | 2012-08-07 |
| 9 | 9715-delnp-2008-Form-3-(09-07-2013).pdf | 2013-07-09 |
| 9 | 9715-DELNP-2008-RELEVANT DOCUMENTS [17-02-2018(online)].pdf | 2018-02-17 |
| 10 | 9715-delnp-2008-Correspondence Others-(09-07-2013).pdf | 2013-07-09 |
| 10 | 9715-DELNP-2008-Correspondence-270916.pdf | 2016-10-01 |
| 11 | 9715-delnp-2008-GPA-(23-07-2013).pdf | 2013-07-23 |
| 11 | 9715-DELNP-2008-Power of Attorney-270916.pdf | 2016-10-01 |
| 12 | 9715-delnp-2008-Form-2-(23-07-2013).pdf | 2013-07-23 |
| 12 | Other Patent Document [26-09-2016(online)].pdf | 2016-09-26 |
| 13 | 9715-delnp-2008-Form-1-(23-07-2013).pdf | 2013-07-23 |
| 13 | 9715-DELNP-2008_EXAMREPORT.pdf | 2016-06-30 |
| 14 | 9715-delnp-2008-Correspondence Others-(14-12-2015).pdf | 2015-12-14 |
| 14 | 9715-delnp-2008-Correspondence-Others-(23-07-2013).pdf | 2013-07-23 |
| 15 | 9715-delnp-2008-Form-3-(14-12-2015).pdf | 2015-12-14 |
| 15 | 9715-delnp-2008-GPA-(23-07-2014).pdf | 2014-07-23 |
| 16 | 9715-delnp-2008-Form-5-(23-07-2014).pdf | 2014-07-23 |
| 16 | 9715-delnp-2008-Petition-137-(14-12-2015).pdf | 2015-12-14 |
| 17 | Petition Under Rule 137 [11-12-2015(online)].pdf | 2015-12-11 |
| 17 | 9715-delnp-2008-Form-2-(23-07-2014).pdf | 2014-07-23 |
| 18 | 9715-delnp-2008-Correspondence Others-(23-07-2015).pdf | 2015-07-23 |
| 18 | 9715-delnp-2008-Drawings-(23-07-2014).pdf | 2014-07-23 |
| 19 | 9715-delnp-2008-Correspondence Others-(13-04-2015).pdf | 2015-04-13 |
| 19 | 9715-delnp-2008-Correspondence Others-(23-07-2014).pdf | 2014-07-23 |
| 20 | 9715-delnp-2008-Claims-(23-07-2014).pdf | 2014-07-23 |
| 20 | 9715-delnp-2008-Correspondance Others-(31-12-2014).pdf | 2014-12-31 |
| 21 | 9715-delnp-2008-Abstract-(23-07-2014).pdf | 2014-07-23 |
| 21 | Petiton under rule 137 (9715-DELNP-2008).pdf | 2014-09-11 |
| 22 | 9715-delnp-2008-Correspondence Others-(04-09-2014).pdf | 2014-09-04 |
| 23 | 9715-delnp-2008-Abstract-(23-07-2014).pdf | 2014-07-23 |
| 23 | Petiton under rule 137 (9715-DELNP-2008).pdf | 2014-09-11 |
| 24 | 9715-delnp-2008-Correspondance Others-(31-12-2014).pdf | 2014-12-31 |
| 24 | 9715-delnp-2008-Claims-(23-07-2014).pdf | 2014-07-23 |
| 25 | 9715-delnp-2008-Correspondence Others-(23-07-2014).pdf | 2014-07-23 |
| 25 | 9715-delnp-2008-Correspondence Others-(13-04-2015).pdf | 2015-04-13 |
| 26 | 9715-delnp-2008-Correspondence Others-(23-07-2015).pdf | 2015-07-23 |
| 26 | 9715-delnp-2008-Drawings-(23-07-2014).pdf | 2014-07-23 |
| 27 | 9715-delnp-2008-Form-2-(23-07-2014).pdf | 2014-07-23 |
| 27 | Petition Under Rule 137 [11-12-2015(online)].pdf | 2015-12-11 |
| 28 | 9715-delnp-2008-Form-5-(23-07-2014).pdf | 2014-07-23 |
| 28 | 9715-delnp-2008-Petition-137-(14-12-2015).pdf | 2015-12-14 |
| 29 | 9715-delnp-2008-Form-3-(14-12-2015).pdf | 2015-12-14 |
| 29 | 9715-delnp-2008-GPA-(23-07-2014).pdf | 2014-07-23 |
| 30 | 9715-delnp-2008-Correspondence Others-(14-12-2015).pdf | 2015-12-14 |
| 30 | 9715-delnp-2008-Correspondence-Others-(23-07-2013).pdf | 2013-07-23 |
| 31 | 9715-delnp-2008-Form-1-(23-07-2013).pdf | 2013-07-23 |
| 31 | 9715-DELNP-2008_EXAMREPORT.pdf | 2016-06-30 |
| 32 | 9715-delnp-2008-Form-2-(23-07-2013).pdf | 2013-07-23 |
| 32 | Other Patent Document [26-09-2016(online)].pdf | 2016-09-26 |
| 33 | 9715-delnp-2008-GPA-(23-07-2013).pdf | 2013-07-23 |
| 33 | 9715-DELNP-2008-Power of Attorney-270916.pdf | 2016-10-01 |
| 34 | 9715-delnp-2008-Correspondence Others-(09-07-2013).pdf | 2013-07-09 |
| 34 | 9715-DELNP-2008-Correspondence-270916.pdf | 2016-10-01 |
| 35 | 9715-delnp-2008-Form-3-(09-07-2013).pdf | 2013-07-09 |
| 35 | 9715-DELNP-2008-RELEVANT DOCUMENTS [17-02-2018(online)].pdf | 2018-02-17 |
| 36 | 9715-DELNP-2008-RELEVANT DOCUMENTS [22-02-2019(online)].pdf | 2019-02-22 |
| 36 | 9715-delnp-2008-Correspondence Others-(07-08-2012).pdf | 2012-08-07 |
| 37 | 9715-DELNP-2008-PROOF OF ALTERATION [24-06-2019(online)].pdf | 2019-06-24 |
| 37 | 9715-delnp-2008-Form-3-(07-08-2012).pdf | 2012-08-07 |
| 38 | Drawings.pdf | 2011-08-20 |
| 38 | 278107-Power of Attorney-280619.pdf | 2019-07-03 |
| 39 | Form-1.pdf | 2011-08-20 |
| 39 | 278107-OTHERS-280619.pdf | 2019-07-03 |
| 40 | 278107-Correspondence-280619.pdf | 2019-07-03 |
| 41 | 9715-DELNP-2008-RELEVANT DOCUMENTS [24-02-2020(online)].pdf | 2020-02-24 |
| 42 | Priority Document.pdf | 2011-08-20 |
| 42 | 9715-DELNP-2008-RELEVANT DOCUMENTS [26-07-2021(online)].pdf | 2021-07-26 |
| 43 | 9715-DELNP-2008-RELEVANT DOCUMENTS [23-09-2022(online)].pdf | 2022-09-23 |
| 43 | Translation-Search Report.pdf | 2011-08-20 |