JPH0555571B2 - - Google Patents
Info
- Publication number
- JPH0555571B2 JPH0555571B2 JP61004691A JP469186A JPH0555571B2 JP H0555571 B2 JPH0555571 B2 JP H0555571B2 JP 61004691 A JP61004691 A JP 61004691A JP 469186 A JP469186 A JP 469186A JP H0555571 B2 JPH0555571 B2 JP H0555571B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- austenite
- less
- ferrite
- 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 - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 55
- 239000010959 steel Substances 0.000 claims description 55
- 229910001566 austenite Inorganic materials 0.000 claims description 44
- 238000001816 cooling Methods 0.000 claims description 22
- 229910000859 α-Fe Inorganic materials 0.000 claims description 19
- 239000002131 composite material Substances 0.000 claims description 18
- 230000009466 transformation Effects 0.000 claims description 18
- 238000000137 annealing Methods 0.000 claims description 15
- 229910001563 bainite Inorganic materials 0.000 claims description 14
- 229910052710 silicon Inorganic materials 0.000 claims description 13
- 238000005098 hot rolling Methods 0.000 claims description 11
- 230000000717 retained effect Effects 0.000 claims description 10
- 229910000734 martensite Inorganic materials 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 241000282342 Martes americana Species 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 12
- 230000001105 regulatory effect Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP469186A JPS62164828A (ja) | 1986-01-13 | 1986-01-13 | 点溶接性の優れた高延性高強度複合組織鋼板の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP469186A JPS62164828A (ja) | 1986-01-13 | 1986-01-13 | 点溶接性の優れた高延性高強度複合組織鋼板の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62164828A JPS62164828A (ja) | 1987-07-21 |
| JPH0555571B2 true JPH0555571B2 (xx) | 1993-08-17 |
Family
ID=11590912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP469186A Granted JPS62164828A (ja) | 1986-01-13 | 1986-01-13 | 点溶接性の優れた高延性高強度複合組織鋼板の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62164828A (xx) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01168819A (ja) * | 1987-12-25 | 1989-07-04 | Nisshin Steel Co Ltd | 高延性高強度複合組織鋼板の製造方法 |
| JP2805112B2 (ja) * | 1991-05-17 | 1998-09-30 | 株式会社神戸製鋼所 | 延性、加工性に優れた高強度熱延鋼板の製造方法 |
| JP2952624B2 (ja) * | 1991-05-30 | 1999-09-27 | 新日本製鐵株式会社 | 成形性とスポット溶接性に優れた高降伏比型熱延高強度鋼板とその製造方法および成形性に優れた高降伏比型熱延高強度鋼板とその製造方法 |
| JP5347416B2 (ja) * | 2008-10-08 | 2013-11-20 | Ｊｆｅスチール株式会社 | 片側スポット溶接性に優れた高強度鋼材および片側スポット溶接方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61157625A (ja) * | 1984-12-29 | 1986-07-17 | Nippon Steel Corp | 高強度鋼板の製造方法 |
-
1986
- 1986-01-13 JP JP469186A patent/JPS62164828A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61157625A (ja) * | 1984-12-29 | 1986-07-17 | Nippon Steel Corp | 高強度鋼板の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62164828A (ja) | 1987-07-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |