JPH0524979B2 - - Google Patents
Info
- Publication number
- JPH0524979B2 JPH0524979B2 JP21281385A JP21281385A JPH0524979B2 JP H0524979 B2 JPH0524979 B2 JP H0524979B2 JP 21281385 A JP21281385 A JP 21281385A JP 21281385 A JP21281385 A JP 21281385A JP H0524979 B2 JPH0524979 B2 JP H0524979B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- bainite
- temperature
- bake
- 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 - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 52
- 239000010959 steel Substances 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 42
- 229910001563 bainite Inorganic materials 0.000 claims description 29
- 229910000859 α-Fe Inorganic materials 0.000 claims description 23
- 238000000137 annealing Methods 0.000 claims description 19
- 229910000734 martensite Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000005097 cold rolling Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000010960 cold rolled steel Substances 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 238000010583 slow cooling Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 description 8
- 230000009466 transformation Effects 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000010791 quenching Methods 0.000 description 5
- 230000000171 quenching effect Effects 0.000 description 5
- 238000007796 conventional method Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000885 Dual-phase steel Inorganic materials 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000003483 aging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21281385A JPS6274051A (ja) | 1985-09-26 | 1985-09-26 | 焼付け硬化性高張力冷延薄鋼板およびその製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21281385A JPS6274051A (ja) | 1985-09-26 | 1985-09-26 | 焼付け硬化性高張力冷延薄鋼板およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6274051A JPS6274051A (ja) | 1987-04-04 |
| JPH0524979B2 true JPH0524979B2 (enrdf_load_stackoverflow) | 1993-04-09 |
Family
ID=16628784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21281385A Granted JPS6274051A (ja) | 1985-09-26 | 1985-09-26 | 焼付け硬化性高張力冷延薄鋼板およびその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6274051A (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63282240A (ja) * | 1987-05-12 | 1988-11-18 | Nippon Steel Corp | 疲労特性のすぐれた高張力熱延鋼板 |
| US4981349A (en) * | 1989-09-01 | 1991-01-01 | Kabushiki Kaisha Matsuyama Seisakusho | Rearview mirror assembly for automobiles including positioning means with a recess surface extending uniformly horizontally |
| JP5392223B2 (ja) * | 2000-04-17 | 2014-01-22 | Ｊｆｅスチール株式会社 | 歪時効硬化特性に優れた熱延鋼板およびその製造方法 |
| KR100554754B1 (ko) * | 2001-12-27 | 2006-02-24 | 주식회사 포스코 | 초고강도 냉연강판 제조방법 |
| WO2006107066A1 (ja) | 2005-03-31 | 2006-10-12 | Jfe Steel Corporation | 熱延鋼板、その製造方法および熱延鋼板成形体 |
| JP4688782B2 (ja) * | 2006-12-11 | 2011-05-25 | 株式会社神戸製鋼所 | 焼付硬化用高強度鋼板およびその製造方法 |
-
1985
- 1985-09-26 JP JP21281385A patent/JPS6274051A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6274051A (ja) | 1987-04-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |