JPS6239229B2 - - Google Patents
Info
- Publication number
- JPS6239229B2 JPS6239229B2 JP10299182A JP10299182A JPS6239229B2 JP S6239229 B2 JPS6239229 B2 JP S6239229B2 JP 10299182 A JP10299182 A JP 10299182A JP 10299182 A JP10299182 A JP 10299182A JP S6239229 B2 JPS6239229 B2 JP S6239229B2
- Authority
- JP
- Japan
- Prior art keywords
- steel
- ferrite
- less
- present
- rolling
- 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 78
- 239000010959 steel Substances 0.000 claims description 78
- 229910000859 α-Fe Inorganic materials 0.000 claims description 65
- 230000009466 transformation Effects 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 19
- 238000001816 cooling Methods 0.000 claims description 13
- 239000012535 impurity Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 28
- 230000009467 reduction Effects 0.000 description 21
- 238000001953 recrystallisation Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 12
- 238000003754 machining Methods 0.000 description 9
- 229910001566 austenite Inorganic materials 0.000 description 7
- 229910001562 pearlite Inorganic materials 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000005275 alloying Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000001186 cumulative effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052758 niobium Inorganic materials 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 229910001563 bainite Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001247 metal acetylides Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 206010027476 Metastases Diseases 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001192 hot extrusion 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
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000009401 metastasis Effects 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010583 slow cooling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10299182A JPS58221258A (ja) | 1982-06-17 | 1982-06-17 | 超細粒フエライト鋼とその製造方法 |
| US06/481,453 US4466842A (en) | 1982-04-03 | 1983-04-01 | Ferritic steel having ultra-fine grains and a method for producing the same |
| FR8305500A FR2524493B1 (fr) | 1982-04-03 | 1983-04-05 | Acier ferritique a grains ultra-fins et son procede de production |
| DE3312257A DE3312257A1 (de) | 1982-04-03 | 1983-04-05 | Ferritischer stahl mit ultrafeinem korn und verfahren zu dessen herstellung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10299182A JPS58221258A (ja) | 1982-06-17 | 1982-06-17 | 超細粒フエライト鋼とその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58221258A JPS58221258A (ja) | 1983-12-22 |
| JPS6239229B2 true JPS6239229B2 (pt) | 1987-08-21 |
Family
ID=14342163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10299182A Granted JPS58221258A (ja) | 1982-04-03 | 1982-06-17 | 超細粒フエライト鋼とその製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58221258A (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02302940A (ja) * | 1989-05-17 | 1990-12-14 | Sanyo Electric Co Ltd | 光ヘッド |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100536827B1 (ko) * | 1997-09-22 | 2006-02-28 | 카가쿠기쥬쯔죠 킨조쿠자이료 기쥬쯔켄큐죠 | 초미세조직강과그제조방법 |
-
1982
- 1982-06-17 JP JP10299182A patent/JPS58221258A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02302940A (ja) * | 1989-05-17 | 1990-12-14 | Sanyo Electric Co Ltd | 光ヘッド |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58221258A (ja) | 1983-12-22 |
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