JPS647132B2 - - Google Patents
Info
- Publication number
- JPS647132B2 JPS647132B2 JP3614784A JP3614784A JPS647132B2 JP S647132 B2 JPS647132 B2 JP S647132B2 JP 3614784 A JP3614784 A JP 3614784A JP 3614784 A JP3614784 A JP 3614784A JP S647132 B2 JPS647132 B2 JP S647132B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- strength
- ferrite
- temperature
- bainite
- 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.)
- Expired
Links
- 238000005096 rolling process Methods 0.000 claims description 55
- 229910000831 Steel Inorganic materials 0.000 claims description 34
- 239000010959 steel Substances 0.000 claims description 34
- 230000009467 reduction Effects 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 22
- 229910000859 α-Fe Inorganic materials 0.000 claims description 22
- 229910001563 bainite Inorganic materials 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims 1
- 229910001566 austenite Inorganic materials 0.000 description 8
- 238000005098 hot rolling Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 1
- 229910006639 Si—Mn Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3614784A JPS60181230A (ja) | 1984-02-29 | 1984-02-29 | 加工性に優れた高張力熱延鋼板の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3614784A JPS60181230A (ja) | 1984-02-29 | 1984-02-29 | 加工性に優れた高張力熱延鋼板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60181230A JPS60181230A (ja) | 1985-09-14 |
| JPS647132B2 true JPS647132B2 (zh) | 1989-02-07 |
Family
ID=12461676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3614784A Granted JPS60181230A (ja) | 1984-02-29 | 1984-02-29 | 加工性に優れた高張力熱延鋼板の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60181230A (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0388626A (ja) * | 1989-08-30 | 1991-04-15 | Daiichi Seiki Kogyo Kk | シート材給送装置 |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3851371T3 (de) * | 1987-06-03 | 2004-04-29 | Nippon Steel Corp. | Warmgewalztes hochfestes Stahlblech mit ausgezeichneter Umformbarkeit. |
| JPH02149618A (ja) * | 1988-11-30 | 1990-06-08 | Kobe Steel Ltd | 加工性に優れた高強度熱延鋼板の製造方法 |
| JP4781563B2 (ja) * | 2001-06-20 | 2011-09-28 | 新日本製鐵株式会社 | 焼付硬化性に優れた高強度熱延鋼板及びその製造方法 |
| JP5662903B2 (ja) * | 2010-11-18 | 2015-02-04 | 株式会社神戸製鋼所 | 成形性に優れた高強度鋼板、温間加工方法、および温間加工された自動車部品 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5114817A (ja) * | 1974-07-30 | 1976-02-05 | Nippon Steel Corp | Puresuyokokyodonetsuenkohanno seizohoho |
| JPS5821010B2 (ja) * | 1975-11-14 | 1983-04-26 | 川崎製鉄株式会社 | 加工性にすぐれた非調質高張力熱延鋼板の製造法 |
| JPS5488827A (en) * | 1977-12-26 | 1979-07-14 | Kawasaki Steel Co | Production of high tensile hot rolling steel plate with excellent extensibility and flanging property |
| JPS5842726A (ja) * | 1981-09-04 | 1983-03-12 | Kobe Steel Ltd | 高強度熱延鋼板の製造方法 |
| JPS58141334A (ja) * | 1982-02-12 | 1983-08-22 | Nippon Steel Corp | ６０Ｋｇｆ／ｍｍ↑２以上の引張強さを有し加工性、溶接性の優れた熱延鋼板の製造法 |
-
1984
- 1984-02-29 JP JP3614784A patent/JPS60181230A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0388626A (ja) * | 1989-08-30 | 1991-04-15 | Daiichi Seiki Kogyo Kk | シート材給送装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60181230A (ja) | 1985-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |