JPH0545654B2 - - Google Patents
Info
- Publication number
- JPH0545654B2 JPH0545654B2 JP1934384A JP1934384A JPH0545654B2 JP H0545654 B2 JPH0545654 B2 JP H0545654B2 JP 1934384 A JP1934384 A JP 1934384A JP 1934384 A JP1934384 A JP 1934384A JP H0545654 B2 JPH0545654 B2 JP H0545654B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- cementite
- steel
- less
- continuous annealing
- 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
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 claims description 35
- 238000000137 annealing Methods 0.000 claims description 33
- 229910001567 cementite Inorganic materials 0.000 claims description 33
- 238000001816 cooling Methods 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 238000010899 nucleation Methods 0.000 claims description 20
- 230000006911 nucleation Effects 0.000 claims description 20
- 230000032683 aging Effects 0.000 claims description 17
- 238000001556 precipitation Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 239000010960 cold rolled steel Substances 0.000 claims description 9
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 7
- 238000001953 recrystallisation Methods 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 5
- 230000000171 quenching effect Effects 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 10
- 230000003679 aging effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- CADICXFYUNYKGD-UHFFFAOYSA-N sulfanylidenemanganese Chemical compound [Mn]=S CADICXFYUNYKGD-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 150000001247 metal acetylides Chemical class 0.000 description 4
- 239000006104 solid solution Substances 0.000 description 4
- 229910000655 Killed steel Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- 238000009628 steelmaking 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
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004881 precipitation hardening Methods 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- 238000009849 vacuum degassing Methods 0.000 description 2
- 238000004804 winding Methods 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
- 229910001209 Low-carbon steel Inorganic materials 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
- 238000005097 cold rolling 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
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
- 230000007704 transition Effects 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
- C21D8/04—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips to produce plates or strips for deep-drawing
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 |
|---|---|---|---|
| JP1934384A JPS60165321A (ja) | 1984-02-07 | 1984-02-07 | 連続焼鈍による非時効性冷延鋼板の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1934384A JPS60165321A (ja) | 1984-02-07 | 1984-02-07 | 連続焼鈍による非時効性冷延鋼板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60165321A JPS60165321A (ja) | 1985-08-28 |
| JPH0545654B2 true JPH0545654B2 (it) | 1993-07-09 |
Family
ID=11996750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1934384A Granted JPS60165321A (ja) | 1984-02-07 | 1984-02-07 | 連続焼鈍による非時効性冷延鋼板の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60165321A (it) |
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 |
| JPH068483B2 (ja) * | 1989-02-27 | 1994-02-02 | 新日本製鐵株式会社 | 連続焼鈍によって製造された局部延性に優れた非時効焼付硬化性冷延鋼板 |
| JPH0641565U (ja) * | 1992-01-30 | 1994-06-03 | 平洋商事株式会社 | 写真立て |
-
1984
- 1984-02-07 JP JP1934384A patent/JPS60165321A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60165321A (ja) | 1985-08-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |