JPH0218363B2 - - Google Patents
Info
- Publication number
- JPH0218363B2 JPH0218363B2 JP59101784A JP10178484A JPH0218363B2 JP H0218363 B2 JPH0218363 B2 JP H0218363B2 JP 59101784 A JP59101784 A JP 59101784A JP 10178484 A JP10178484 A JP 10178484A JP H0218363 B2 JPH0218363 B2 JP H0218363B2
- Authority
- JP
- Japan
- Prior art keywords
- skin pass
- strength
- rolled
- hot
- rolling
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 38
- 239000010959 steel Substances 0.000 claims description 38
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000000137 annealing Methods 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- 238000005097 cold rolling Methods 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 230000006866 deterioration Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 238000005098 hot rolling Methods 0.000 description 6
- 229910052758 niobium Inorganic materials 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- 229910052720 vanadium Inorganic materials 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000010960 cold rolled steel Substances 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- 238000007792 addition Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent 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
- 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 |
|---|---|---|---|
| JP10178484A JPS60245728A (ja) | 1984-05-22 | 1984-05-22 | 降伏比７０％以上でかつ延性の良好な高張力鋼板の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10178484A JPS60245728A (ja) | 1984-05-22 | 1984-05-22 | 降伏比７０％以上でかつ延性の良好な高張力鋼板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60245728A JPS60245728A (ja) | 1985-12-05 |
| JPH0218363B2 true JPH0218363B2 (es) | 1990-04-25 |
Family
ID=14309807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10178484A Granted JPS60245728A (ja) | 1984-05-22 | 1984-05-22 | 降伏比７０％以上でかつ延性の良好な高張力鋼板の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60245728A (es) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004001084A1 (ja) * | 2002-06-25 | 2003-12-31 | Jfe Steel Corporation | 高強度冷延鋼板およびその製造方法 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2607950B2 (ja) * | 1989-02-13 | 1997-05-07 | 株式会社神戸製鋼所 | 加工性にすぐれる合金化溶融亜鉛めつき高強度冷延鋼板の製造方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131325A (en) * | 1981-02-04 | 1982-08-14 | Kawasaki Steel Corp | Production of low yield ratio, high tensile cold rolled steel plate having good gamma value |
-
1984
- 1984-05-22 JP JP10178484A patent/JPS60245728A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57131325A (en) * | 1981-02-04 | 1982-08-14 | Kawasaki Steel Corp | Production of low yield ratio, high tensile cold rolled steel plate having good gamma value |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004001084A1 (ja) * | 2002-06-25 | 2003-12-31 | Jfe Steel Corporation | 高強度冷延鋼板およびその製造方法 |
| US7559997B2 (en) | 2002-06-25 | 2009-07-14 | Jfe Steel Corporation | High-strength cold rolled steel sheet and process for producing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60245728A (ja) | 1985-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |