JPH0158251B2 - - Google Patents
Info
- Publication number
- JPH0158251B2 JPH0158251B2 JP378381A JP378381A JPH0158251B2 JP H0158251 B2 JPH0158251 B2 JP H0158251B2 JP 378381 A JP378381 A JP 378381A JP 378381 A JP378381 A JP 378381A JP H0158251 B2 JPH0158251 B2 JP H0158251B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- slab
- minutes
- hot working
- reheating
- 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
- 238000000034 method Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000003303 reheating Methods 0.000 claims description 12
- 230000009466 transformation Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005204 segregation Methods 0.000 description 16
- 238000009792 diffusion process Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 238000005096 rolling process Methods 0.000 description 8
- 238000005275 alloying Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000275 quality assurance Methods 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP378381A JPS57120614A (en) | 1981-01-16 | 1981-01-16 | Method for producing steel material from ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP378381A JPS57120614A (en) | 1981-01-16 | 1981-01-16 | Method for producing steel material from ingot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57120614A JPS57120614A (en) | 1982-07-27 |
| JPH0158251B2 true JPH0158251B2 (ko) | 1989-12-11 |
Family
ID=11566777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP378381A Granted JPS57120614A (en) | 1981-01-16 | 1981-01-16 | Method for producing steel material from ingot |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57120614A (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59197523A (ja) * | 1983-04-19 | 1984-11-09 | Sumitomo Metal Ind Ltd | 加工用熱延鋼板の製造方法 |
| JPH066495B2 (ja) * | 1985-08-01 | 1994-01-26 | 信越石英株式会社 | 高純度石英ガラスの製造方法 |
| JPH0753882B2 (ja) * | 1986-02-04 | 1995-06-07 | 日本鋼管株式会社 | 溶接割れ感受性の低い非調質高張力鋼板の製造方法 |
-
1981
- 1981-01-16 JP JP378381A patent/JPS57120614A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57120614A (en) | 1982-07-27 |
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