MY177836A - Low yield ratio high-strength hot-dip galvanized steel sheet, low yield ratio high-strength hot-dip galvannealed steel sheet, method for manufacturing low yield ratio highstrength hot-dip galvanized steel sheet, and method for manufacturing low yield ratio high-strength hot-dip galvannealed steel sheet - Google Patents
Low yield ratio high-strength hot-dip galvanized steel sheet, low yield ratio high-strength hot-dip galvannealed steel sheet, method for manufacturing low yield ratio highstrength hot-dip galvanized steel sheet, and method for manufacturing low yield ratio high-strength hot-dip galvannealed steel sheetInfo
- Publication number
- MY177836A MY177836A MYPI2012004456A MYPI2012004456A MY177836A MY 177836 A MY177836 A MY 177836A MY PI2012004456 A MYPI2012004456 A MY PI2012004456A MY PI2012004456 A MYPI2012004456 A MY PI2012004456A MY 177836 A MY177836 A MY 177836A
- Authority
- MY
- Malaysia
- Prior art keywords
- steel sheet
- low yield
- yield ratio
- strength hot
- ratio high
- Prior art date
Links
- 229910001335 Galvanized steel Inorganic materials 0.000 title abstract 3
- 239000008397 galvanized steel Substances 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 title 2
- 238000004519 manufacturing process Methods 0.000 title 2
- 238000000034 method Methods 0.000 title 2
- 239000010959 steel Substances 0.000 title 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 239000012535 impurity Substances 0.000 abstract 1
- 229910000734 martensite Inorganic materials 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Landscapes
- Heat Treatment Of Sheet Steel (AREA)
- Coating With Molten Metal (AREA)
Abstract
A low yield ratio high-strength hot-dip galvanized steel sheet includes as chemical composition, by % by mass, 0.03% to 0.20% C, 1.0% or less Si, more than 1.5% to 3.0% Mn, 0.10% or less P, 0.05% or less S, 0.10% or less Al, 0.010% or less N, 0.5% or less Cr, and 0.01% to 0.50% Mo, and the balance Fe with inevitable impurities, and also includes a structure including a ferrite and a second phase. The ferrite has an area ratio of 50% or more, and the second phase includes martensite whose area ratio is in the range from 7% to less than 25%. The thickness of a band like structure formed by the second phase satisfies the predetermined equation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012114521A JP2013241636A (en) | 2012-05-18 | 2012-05-18 | Low yield ratio type high strength hot dip galvanized steel sheet, low yield ratio type high strength alloying hot dip galvannealed steel sheet, method for manufacturing low yield ratio type high strength hot dip galvanized steel sheet, and method for manufacturing low yield ratio type high strength alloying hot dip galvannealed steel sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MY177836A true MY177836A (en) | 2020-09-23 |
Family
ID=49842806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MYPI2012004456A MY177836A (en) | 2012-05-18 | 2012-10-05 | Low yield ratio high-strength hot-dip galvanized steel sheet, low yield ratio high-strength hot-dip galvannealed steel sheet, method for manufacturing low yield ratio highstrength hot-dip galvanized steel sheet, and method for manufacturing low yield ratio high-strength hot-dip galvannealed steel sheet |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP2013241636A (en) |
| BR (1) | BR102012025758A2 (en) |
| MY (1) | MY177836A (en) |
| RU (1) | RU2530199C2 (en) |
| ZA (1) | ZA201209142B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6102902B2 (en) * | 2014-03-05 | 2017-03-29 | Ｊｆｅスチール株式会社 | Cold-rolled steel sheet, manufacturing method thereof, high-strength hot-dip galvanized steel sheet, and high-strength galvannealed steel sheet |
| CN105695870A (en) * | 2014-11-27 | 2016-06-22 | 上海梅山钢铁股份有限公司 | thick hot rolled sheet steel with 450MPa grade yield strength and manufacturing method thereof |
| US20180044750A1 (en) * | 2015-02-25 | 2018-02-15 | Hyun Jo Jun | Post Annealed High Tensile Strength Coated Steel Sheet having Improved Yield Strength and Hole Expansion |
| CN104805359B (en) * | 2015-05-13 | 2017-04-05 | 东北大学 | A kind of tensile strength 610MPa level beam steel and preparation method thereof |
| US11365465B2 (en) | 2016-08-08 | 2022-06-21 | Nippon Steel Corporation | Steel sheet |
| BR112019004943A2 (en) * | 2016-10-19 | 2019-06-25 | Nippon Steel & Sumitomo Metal Corp | coated steel sheet, method for manufacturing hot dip galvanized sheet steel and method for manufacturing hot dip galvanized sheet steel |
| MX2021009099A (en) * | 2019-01-29 | 2021-09-08 | Jfe Steel Corp | High-strength steel sheet and method for producing same. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2368504C (en) * | 2000-02-29 | 2007-12-18 | Kawasaki Steel Corporation | High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof |
| CA2521710C (en) * | 2003-04-10 | 2009-09-29 | Nippon Steel Corporation | High strength molten zinc plated steel sheet and process of production of same |
| JP4235030B2 (en) * | 2003-05-21 | 2009-03-04 | 新日本製鐵株式会社 | High-strength cold-rolled steel sheet and high-strength surface-treated steel sheet having excellent local formability and a tensile strength of 780 MPa or more with suppressed increase in hardness of the weld |
| JP4623233B2 (en) * | 2009-02-02 | 2011-02-02 | Ｊｆｅスチール株式会社 | High-strength hot-dip galvanized steel sheet and manufacturing method thereof |
-
2012
- 2012-05-18 JP JP2012114521A patent/JP2013241636A/en active Pending
- 2012-10-05 MY MYPI2012004456A patent/MY177836A/en unknown
- 2012-10-08 BR BR102012025758A patent/BR102012025758A2/en not_active Application Discontinuation
- 2012-10-09 RU RU2012143205/02A patent/RU2530199C2/en not_active IP Right Cessation
- 2012-12-04 ZA ZA2012/09142A patent/ZA201209142B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR102012025758A2 (en) | 2014-05-13 |
| RU2530199C2 (en) | 2014-10-10 |
| RU2012143205A (en) | 2014-04-20 |
| JP2013241636A (en) | 2013-12-05 |
| ZA201209142B (en) | 2013-08-28 |
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