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Hot Dip Al Plated Steel Sheet Production Method, And Hot Dip Al Plated Steel Sheet
Abstract: Provided is a hot-dip Al-plated steel sheet production method in which fine spangles are stably formed on a surface of a plating layer. The hot-dip Al-plated steel sheet production method includes a composition adjustment step for adjusting the composition of a hot-dip Al-plating bath (3) having aluminium as the main component so that a matrix alloy including B is added so that the concentration of B is at least 0.005 mass%, and so that the concentration of K is more than 0 mass% and less than 0.0005 mass%; and gas is supplied into the hot-dip Al-plating bath and floating substances on the bath surface are removed, thereby lowering the concentration of K in the hot-dip Al-plating bath.
Notices, Deadlines & Correspondence
Patent Information
Applicants
NIPPON STEEL CORPORATION
Inventors
1. FURUKAWA, Shinya
2. ISHII, Koutarou
3. HATTORI, Yasunori
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202047042595-FER.pdf | 2022-04-18 |
| 1 | 202047042595-STATEMENT OF UNDERTAKING (FORM 3) [30-09-2020(online)].pdf | 2020-09-30 |
| 2 | 202047042595.pdf | 2021-10-18 |
| 2 | 202047042595-PROOF OF RIGHT [30-09-2020(online)].pdf | 2020-09-30 |
| 3 | 202047042595-FORM 18 [28-09-2021(online)].pdf | 2021-09-28 |
| 3 | 202047042595-FORM 1 [30-09-2020(online)].pdf | 2020-09-30 |
| 4 | 202047042595-FORM 3 [11-03-2021(online)].pdf | 2021-03-11 |
| 4 | 202047042595-FIGURE OF ABSTRACT [30-09-2020(online)].jpg | 2020-09-30 |
| 5 | 202047042595-DRAWINGS [30-09-2020(online)].pdf | 2020-09-30 |
| 5 | 202047042595-FORM-26 [17-10-2020(online)].pdf | 2020-10-17 |
| 6 | 202047042595-COMPLETE SPECIFICATION [30-09-2020(online)].pdf | 2020-09-30 |
| 6 | 202047042595-DECLARATION OF INVENTORSHIP (FORM 5) [30-09-2020(online)].pdf | 2020-09-30 |
| 7 | 202047042595-COMPLETE SPECIFICATION [30-09-2020(online)].pdf | 2020-09-30 |
| 7 | 202047042595-DECLARATION OF INVENTORSHIP (FORM 5) [30-09-2020(online)].pdf | 2020-09-30 |
| 8 | 202047042595-DRAWINGS [30-09-2020(online)].pdf | 2020-09-30 |
| 8 | 202047042595-FORM-26 [17-10-2020(online)].pdf | 2020-10-17 |
| 9 | 202047042595-FIGURE OF ABSTRACT [30-09-2020(online)].jpg | 2020-09-30 |
| 9 | 202047042595-FORM 3 [11-03-2021(online)].pdf | 2021-03-11 |
| 10 | 202047042595-FORM 18 [28-09-2021(online)].pdf | 2021-09-28 |
| 10 | 202047042595-FORM 1 [30-09-2020(online)].pdf | 2020-09-30 |
| 11 | 202047042595.pdf | 2021-10-18 |
| 11 | 202047042595-PROOF OF RIGHT [30-09-2020(online)].pdf | 2020-09-30 |
| 12 | 202047042595-STATEMENT OF UNDERTAKING (FORM 3) [30-09-2020(online)].pdf | 2020-09-30 |
| 12 | 202047042595-FER.pdf | 2022-04-18 |
Search Strategy
| 1 | 20204702595-searchstrategyE_13-04-2022.pdf |