JPS61130454A - 伸びフランジ性のすぐれたフエライト・ベイナイト組織高強度熱延鋼板及びその製造方法 - Google Patents
伸びフランジ性のすぐれたフエライト・ベイナイト組織高強度熱延鋼板及びその製造方法Info
- Publication number
- JPS61130454A JPS61130454A JP25224284A JP25224284A JPS61130454A JP S61130454 A JPS61130454 A JP S61130454A JP 25224284 A JP25224284 A JP 25224284A JP 25224284 A JP25224284 A JP 25224284A JP S61130454 A JPS61130454 A JP S61130454A
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- less
- bainite
- rolled steel
- steel sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 229910001563 bainite Inorganic materials 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000005098 hot rolling Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 229910000734 martensite Inorganic materials 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 229910001562 pearlite Inorganic materials 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25224284A JPS61130454A (ja) | 1984-11-28 | 1984-11-28 | 伸びフランジ性のすぐれたフエライト・ベイナイト組織高強度熱延鋼板及びその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25224284A JPS61130454A (ja) | 1984-11-28 | 1984-11-28 | 伸びフランジ性のすぐれたフエライト・ベイナイト組織高強度熱延鋼板及びその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61130454A true JPS61130454A (ja) | 1986-06-18 |
| JPH045743B2 JPH045743B2 (enrdf_load_stackoverflow) | 1992-02-03 |
Family
ID=17234487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25224284A Granted JPS61130454A (ja) | 1984-11-28 | 1984-11-28 | 伸びフランジ性のすぐれたフエライト・ベイナイト組織高強度熱延鋼板及びその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61130454A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132740A (ja) * | 1987-11-18 | 1989-05-25 | Kawasaki Steel Corp | 熱処理用鋼板 |
| JPH0617203A (ja) * | 1992-07-02 | 1994-01-25 | Nippon Steel Corp | 成形性の優れた複合組織高強度薄鋼板 |
| US8657970B2 (en) | 2008-03-26 | 2014-02-25 | Nippon Steel & Sumitomo Metal Corporation | Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54163719A (en) * | 1978-06-16 | 1979-12-26 | Nippon Steel Corp | Production of high tensile strength * low yield ratio and high extensibility composite textured steel panel with excellent workability |
| JPS54163718A (en) * | 1978-06-16 | 1979-12-26 | Nippon Steel Corp | Production of low yield ratio high tensile composite textured steel plate |
| JPS5534659A (en) * | 1978-08-31 | 1980-03-11 | Kawasaki Steel Corp | Manufacture of high tensile steel sheet with superior cold workability |
| JPS5629631A (en) * | 1979-08-17 | 1981-03-25 | Sumitomo Metal Ind Ltd | Manufacture of hot-rolled steel plate having high ductility and high tensile strength |
-
1984
- 1984-11-28 JP JP25224284A patent/JPS61130454A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54163719A (en) * | 1978-06-16 | 1979-12-26 | Nippon Steel Corp | Production of high tensile strength * low yield ratio and high extensibility composite textured steel panel with excellent workability |
| JPS54163718A (en) * | 1978-06-16 | 1979-12-26 | Nippon Steel Corp | Production of low yield ratio high tensile composite textured steel plate |
| JPS5534659A (en) * | 1978-08-31 | 1980-03-11 | Kawasaki Steel Corp | Manufacture of high tensile steel sheet with superior cold workability |
| JPS5629631A (en) * | 1979-08-17 | 1981-03-25 | Sumitomo Metal Ind Ltd | Manufacture of hot-rolled steel plate having high ductility and high tensile strength |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01132740A (ja) * | 1987-11-18 | 1989-05-25 | Kawasaki Steel Corp | 熱処理用鋼板 |
| JPH0617203A (ja) * | 1992-07-02 | 1994-01-25 | Nippon Steel Corp | 成形性の優れた複合組織高強度薄鋼板 |
| US8657970B2 (en) | 2008-03-26 | 2014-02-25 | Nippon Steel & Sumitomo Metal Corporation | Hot-rolled steel sheet excellent in fatigue properties and stretch-flange formability and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH045743B2 (enrdf_load_stackoverflow) | 1992-02-03 |
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