JPH0143816B2 - - Google Patents
Info
- Publication number
- JPH0143816B2 JPH0143816B2 JP10049679A JP10049679A JPH0143816B2 JP H0143816 B2 JPH0143816 B2 JP H0143816B2 JP 10049679 A JP10049679 A JP 10049679A JP 10049679 A JP10049679 A JP 10049679A JP H0143816 B2 JPH0143816 B2 JP H0143816B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- low
- processing
- ferrite
- 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
- 238000012545 processing Methods 0.000 claims description 42
- 229910001566 austenite Inorganic materials 0.000 claims description 37
- 238000001816 cooling Methods 0.000 claims description 34
- 238000005496 tempering Methods 0.000 claims description 20
- 230000009467 reduction Effects 0.000 claims description 18
- 238000001953 recrystallisation Methods 0.000 claims description 13
- 230000009466 transformation Effects 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 229910000655 Killed steel Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 description 29
- 229910000831 Steel Inorganic materials 0.000 description 28
- 239000010959 steel Substances 0.000 description 28
- 230000007704 transition Effects 0.000 description 26
- 229910000859 α-Fe Inorganic materials 0.000 description 25
- 238000000034 method Methods 0.000 description 23
- 239000000463 material Substances 0.000 description 18
- 238000010791 quenching Methods 0.000 description 15
- 230000000171 quenching effect Effects 0.000 description 15
- 238000011282 treatment Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910001563 bainite Inorganic materials 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 7
- 229910000734 martensite Inorganic materials 0.000 description 7
- 229910001562 pearlite Inorganic materials 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000003303 reheating Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000680 Aluminized steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910001568 polygonal ferrite Inorganic materials 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10049679A JPS5625924A (en) | 1979-08-06 | 1979-08-06 | Production of aluminum killed steel for low temperature use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10049679A JPS5625924A (en) | 1979-08-06 | 1979-08-06 | Production of aluminum killed steel for low temperature use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5625924A JPS5625924A (en) | 1981-03-12 |
| JPH0143816B2 true JPH0143816B2 (enrdf_load_stackoverflow) | 1989-09-22 |
Family
ID=14275530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10049679A Granted JPS5625924A (en) | 1979-08-06 | 1979-08-06 | Production of aluminum killed steel for low temperature use |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5625924A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563536A (zh) * | 2013-11-12 | 2014-02-12 | 东北农业大学 | 甘蓝类作物拔取爪总成 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60149722A (ja) * | 1984-01-14 | 1985-08-07 | Nippon Steel Corp | 溶接部低温靭性の優れたＣｕ添加鋼の製造法 |
-
1979
- 1979-08-06 JP JP10049679A patent/JPS5625924A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563536A (zh) * | 2013-11-12 | 2014-02-12 | 东北农业大学 | 甘蓝类作物拔取爪总成 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5625924A (en) | 1981-03-12 |
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