JPS627247B2 - - Google Patents
Info
- Publication number
- JPS627247B2 JPS627247B2 JP57055649A JP5564982A JPS627247B2 JP S627247 B2 JPS627247 B2 JP S627247B2 JP 57055649 A JP57055649 A JP 57055649A JP 5564982 A JP5564982 A JP 5564982A JP S627247 B2 JPS627247 B2 JP S627247B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- present
- rolling
- less
- cooling
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 49
- 239000010959 steel Substances 0.000 claims description 49
- 238000001816 cooling Methods 0.000 claims description 25
- 230000009467 reduction Effects 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 14
- 230000009466 transformation Effects 0.000 claims description 13
- 238000005275 alloying Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 29
- 229910000859 α-Fe Inorganic materials 0.000 description 24
- 230000000694 effects Effects 0.000 description 9
- 229910001562 pearlite Inorganic materials 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 230000001186 cumulative effect Effects 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 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
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5564982A JPS58174523A (ja) | 1982-04-03 | 1982-04-03 | 極細粒高強度熱間加工鋼材の製造法 |
| US06/481,453 US4466842A (en) | 1982-04-03 | 1983-04-01 | Ferritic steel having ultra-fine grains and a method for producing the same |
| DE3312257A DE3312257A1 (de) | 1982-04-03 | 1983-04-05 | Ferritischer stahl mit ultrafeinem korn und verfahren zu dessen herstellung |
| FR8305500A FR2524493B1 (fr) | 1982-04-03 | 1983-04-05 | Acier ferritique a grains ultra-fins et son procede de production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5564982A JPS58174523A (ja) | 1982-04-03 | 1982-04-03 | 極細粒高強度熱間加工鋼材の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58174523A JPS58174523A (ja) | 1983-10-13 |
| JPS627247B2 true JPS627247B2 (es) | 1987-02-16 |
Family
ID=13004669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5564982A Granted JPS58174523A (ja) | 1982-04-03 | 1982-04-03 | 極細粒高強度熱間加工鋼材の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58174523A (es) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006272441A (ja) * | 2005-03-30 | 2006-10-12 | Jfe Steel Kk | 鋼帯の熱間圧延方法及び熱間圧延ライン |
| WO2012039270A1 (ja) | 2010-09-22 | 2012-03-29 | 三菱日立製鉄機械株式会社 | 熱延鋼帯の冷却装置 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59107023A (ja) * | 1982-12-09 | 1984-06-21 | Nippon Steel Corp | 極細粒熱延鋼板の製造方法 |
| WO2001012864A1 (fr) * | 1999-08-10 | 2001-02-22 | Nkk Corporation | Procede de production de feuillards d'acier lamines a froid |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143717A (en) * | 1978-05-01 | 1979-11-09 | Kawasaki Steel Co | Continuous heat treatment of high carbon steel for high processed cold drawing |
| JPS5672127A (en) * | 1979-11-17 | 1981-06-16 | Nippon Steel Corp | Manufacture of low yield ratio complex structure high tension steel having excellent ductility |
| JPS5681620A (en) * | 1979-12-05 | 1981-07-03 | Nippon Steel Corp | Production of tin base low yield ratio composite structure high tensile steel plate |
-
1982
- 1982-04-03 JP JP5564982A patent/JPS58174523A/ja active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143717A (en) * | 1978-05-01 | 1979-11-09 | Kawasaki Steel Co | Continuous heat treatment of high carbon steel for high processed cold drawing |
| JPS5672127A (en) * | 1979-11-17 | 1981-06-16 | Nippon Steel Corp | Manufacture of low yield ratio complex structure high tension steel having excellent ductility |
| JPS5681620A (en) * | 1979-12-05 | 1981-07-03 | Nippon Steel Corp | Production of tin base low yield ratio composite structure high tensile steel plate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006272441A (ja) * | 2005-03-30 | 2006-10-12 | Jfe Steel Kk | 鋼帯の熱間圧延方法及び熱間圧延ライン |
| JP4552731B2 (ja) * | 2005-03-30 | 2010-09-29 | Ｊｆｅスチール株式会社 | 鋼帯の熱間圧延方法 |
| WO2012039270A1 (ja) | 2010-09-22 | 2012-03-29 | 三菱日立製鉄機械株式会社 | 熱延鋼帯の冷却装置 |
| US9039956B2 (en) | 2010-09-22 | 2015-05-26 | Mitsubishi-Hitachi Metals Machinery, Inc. | Cooling system for hot-rolled steel strip |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58174523A (ja) | 1983-10-13 |
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