JPH0211652B2 - - Google Patents
Info
- Publication number
- JPH0211652B2 JPH0211652B2 JP5521085A JP5521085A JPH0211652B2 JP H0211652 B2 JPH0211652 B2 JP H0211652B2 JP 5521085 A JP5521085 A JP 5521085A JP 5521085 A JP5521085 A JP 5521085A JP H0211652 B2 JPH0211652 B2 JP H0211652B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- rolling
- fine
- seconds
- 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 90
- 239000010959 steel Substances 0.000 claims description 90
- 238000005096 rolling process Methods 0.000 claims description 47
- 238000001816 cooling Methods 0.000 claims description 22
- 229910000859 α-Fe Inorganic materials 0.000 claims description 10
- 229910001563 bainite Inorganic materials 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 6
- 238000010309 melting process Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052750 molybdenum Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 description 37
- 239000000463 material Substances 0.000 description 11
- 230000009466 transformation Effects 0.000 description 11
- 238000005266 casting Methods 0.000 description 6
- 238000003303 reheating Methods 0.000 description 5
- 229910001566 austenite Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005098 hot rolling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000029052 metamorphosis Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5521085A JPS61213322A (ja) | 1985-03-19 | 1985-03-19 | 鋼板の製造法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5521085A JPS61213322A (ja) | 1985-03-19 | 1985-03-19 | 鋼板の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61213322A JPS61213322A (ja) | 1986-09-22 |
| JPH0211652B2 true JPH0211652B2 (ko) | 1990-03-15 |
Family
ID=12992275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5521085A Granted JPS61213322A (ja) | 1985-03-19 | 1985-03-19 | 鋼板の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61213322A (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0288054B1 (en) * | 1987-04-24 | 1993-08-11 | Nippon Steel Corporation | Method of producing steel plate with good low-temperature toughness |
| CA2138801C (en) | 1993-04-26 | 1999-09-07 | Satoshi Akamatsu | Thin steel sheet having excellent stretch-flange ability and process for producing the same |
| JP2000319750A (ja) * | 1999-05-10 | 2000-11-21 | Kawasaki Steel Corp | 溶接熱影響部靱性に優れた大入熱溶接用高張力鋼材 |
| AUPR047900A0 (en) | 2000-09-29 | 2000-10-26 | Bhp Steel (Jla) Pty Limited | A method of producing steel |
| CN104962829B (zh) * | 2015-07-09 | 2017-06-20 | 东北大学 | 一种含针状铁素体的双辊连铸低碳微合金钢及其制造方法 |
-
1985
- 1985-03-19 JP JP5521085A patent/JPS61213322A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61213322A (ja) | 1986-09-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |