JPS647133B2 - - Google Patents
Info
- Publication number
- JPS647133B2 JPS647133B2 JP3745284A JP3745284A JPS647133B2 JP S647133 B2 JPS647133 B2 JP S647133B2 JP 3745284 A JP3745284 A JP 3745284A JP 3745284 A JP3745284 A JP 3745284A JP S647133 B2 JPS647133 B2 JP S647133B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- ferrite
- strength
- hot
- 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 42
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 229910000859 α-Fe Inorganic materials 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 17
- 229910001563 bainite Inorganic materials 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229910001566 austenite Inorganic materials 0.000 description 10
- 238000005098 hot rolling Methods 0.000 description 7
- 239000006104 solid solution Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005191 phase separation Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000001953 recrystallisation Methods 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000004881 precipitation hardening Methods 0.000 description 2
- 238000003303 reheating Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VCUFZILGIRCDQQ-KRWDZBQOSA-N N-[[(5S)-2-oxo-3-(2-oxo-3H-1,3-benzoxazol-6-yl)-1,3-oxazolidin-5-yl]methyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C1O[C@H](CN1C1=CC2=C(NC(O2)=O)C=C1)CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F VCUFZILGIRCDQQ-KRWDZBQOSA-N 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
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000005496 tempering Methods 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 |
|---|---|---|---|
| JP3745284A JPS60184628A (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 |
|---|---|---|---|
| JP3745284A JPS60184628A (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 |
|---|---|
| JPS60184628A JPS60184628A (ja) | 1985-09-20 |
| JPS647133B2 true JPS647133B2 (xx) | 1989-02-07 |
Family
ID=12497894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3745284A Granted JPS60184628A (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) | JPS60184628A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0629480B2 (ja) * | 1986-12-09 | 1994-04-20 | 川崎製鉄株式会社 | 強度、延性、靱性及び疲労特性に優れた熱延高張力鋼板及びその製造方法 |
| JP4622095B2 (ja) * | 2000-12-14 | 2011-02-02 | Ｊｆｅスチール株式会社 | 伸びフランジ性に優れる熱延鋼板およびその製造方法 |
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 |
| JPS5723025A (en) * | 1980-07-14 | 1982-02-06 | Sumitomo Metal Ind Ltd | Manufacture of hot-rolled high tensile steel plate having excellent local ductility |
| JPS57145965A (en) * | 1981-03-04 | 1982-09-09 | Kobe Steel Ltd | High strength hot rolled steel plate and its manufacture |
| JPS5842725A (ja) * | 1981-09-04 | 1983-03-12 | Kobe Steel Ltd | 加工性のすぐれた高強度熱延鋼板の製造法 |
| JPS5842726A (ja) * | 1981-09-04 | 1983-03-12 | Kobe Steel Ltd | 高強度熱延鋼板の製造方法 |
-
1984
- 1984-02-29 JP JP3745284A patent/JPS60184628A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60184628A (ja) | 1985-09-20 |
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