JPH0545652B2 - - Google Patents
Info
- Publication number
- JPH0545652B2 JPH0545652B2 JP4672484A JP4672484A JPH0545652B2 JP H0545652 B2 JPH0545652 B2 JP H0545652B2 JP 4672484 A JP4672484 A JP 4672484A JP 4672484 A JP4672484 A JP 4672484A JP H0545652 B2 JPH0545652 B2 JP H0545652B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- less
- cementite
- rolled
- aging
- 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
- 238000000137 annealing Methods 0.000 claims description 41
- 229910001567 cementite Inorganic materials 0.000 claims description 36
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims description 36
- 229910000831 Steel Inorganic materials 0.000 claims description 35
- 239000010959 steel Substances 0.000 claims description 35
- 238000001816 cooling Methods 0.000 claims description 34
- 238000010899 nucleation Methods 0.000 claims description 28
- 230000006911 nucleation Effects 0.000 claims description 28
- 230000032683 aging Effects 0.000 claims description 20
- 239000010960 cold rolled steel Substances 0.000 claims description 16
- 238000001556 precipitation Methods 0.000 claims description 16
- 239000012535 impurity Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 238000001953 recrystallisation Methods 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 238000005098 hot rolling Methods 0.000 description 7
- 150000001247 metal acetylides Chemical class 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000003679 aging effect Effects 0.000 description 6
- 229910000655 Killed steel Inorganic materials 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000004781 supercooling Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- RQMIWLMVTCKXAQ-UHFFFAOYSA-N [AlH3].[C] Chemical compound [AlH3].[C] RQMIWLMVTCKXAQ-UHFFFAOYSA-N 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 238000004881 precipitation hardening Methods 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 238000009849 vacuum degassing Methods 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)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4672484A JPS60190525A (ja) | 1984-03-12 | 1984-03-12 | 連続焼鈍による非時効性高強度冷延鋼板の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4672484A JPS60190525A (ja) | 1984-03-12 | 1984-03-12 | 連続焼鈍による非時効性高強度冷延鋼板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60190525A JPS60190525A (ja) | 1985-09-28 |
| JPH0545652B2 true JPH0545652B2 (de) | 1993-07-09 |
Family
ID=12755284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4672484A Granted JPS60190525A (ja) | 1984-03-12 | 1984-03-12 | 連続焼鈍による非時効性高強度冷延鋼板の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60190525A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62139849A (ja) * | 1985-12-13 | 1987-06-23 | Kobe Steel Ltd | 加工性にすぐれた軟質熱延鋼板 |
| JPS6318023A (ja) * | 1986-07-10 | 1988-01-25 | Nippon Steel Corp | 加工性の優れた高強度冷延鋼板の製造方法 |
| EP0406619A1 (de) * | 1989-06-21 | 1991-01-09 | Nippon Steel Corporation | Verfahren zur Herstellung von kaltgewalzten verzinkten nichtalternden Stahlblechen mit guter Formbarkeit in einer Durchlaufverzinkungslinie |
-
1984
- 1984-03-12 JP JP4672484A patent/JPS60190525A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60190525A (ja) | 1985-09-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |