JPS61113717A - 溶接性と低温靭性に優れる非調質高張力鋼板の製造方法 - Google Patents
溶接性と低温靭性に優れる非調質高張力鋼板の製造方法Info
- Publication number
- JPS61113717A JPS61113717A JP23522784A JP23522784A JPS61113717A JP S61113717 A JPS61113717 A JP S61113717A JP 23522784 A JP23522784 A JP 23522784A JP 23522784 A JP23522784 A JP 23522784A JP S61113717 A JPS61113717 A JP S61113717A
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- temperature
- steel
- less
- toughness
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 84
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 16
- 230000009466 transformation Effects 0.000 claims abstract description 11
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 5
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 5
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 19
- 239000000463 material Substances 0.000 abstract description 14
- 239000006104 solid solution Substances 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 15
- 238000000034 method Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 6
- 229910052739 hydrogen Inorganic materials 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910001563 bainite Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910000734 martensite Inorganic materials 0.000 description 5
- 239000010953 base metal Substances 0.000 description 4
- 238000010583 slow cooling Methods 0.000 description 4
- 229910001566 austenite Inorganic materials 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 238000012733 comparative method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 229910001562 pearlite Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002436 steel type Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000002910 structure generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23522784A JPS61113717A (ja) | 1984-11-09 | 1984-11-09 | 溶接性と低温靭性に優れる非調質高張力鋼板の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23522784A JPS61113717A (ja) | 1984-11-09 | 1984-11-09 | 溶接性と低温靭性に優れる非調質高張力鋼板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61113717A true JPS61113717A (ja) | 1986-05-31 |
| JPH0365407B2 JPH0365407B2 (enrdf_load_stackoverflow) | 1991-10-11 |
Family
ID=16982962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23522784A Granted JPS61113717A (ja) | 1984-11-09 | 1984-11-09 | 溶接性と低温靭性に優れる非調質高張力鋼板の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61113717A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100450613B1 (ko) * | 1999-12-28 | 2004-09-30 | 주식회사 포스코 | 충격인성이 우수한 후판용접용 선재의 제조방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5861224A (ja) * | 1981-10-07 | 1983-04-12 | Kobe Steel Ltd | 強靭性非調質鋼板の製造方法 |
-
1984
- 1984-11-09 JP JP23522784A patent/JPS61113717A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5861224A (ja) * | 1981-10-07 | 1983-04-12 | Kobe Steel Ltd | 強靭性非調質鋼板の製造方法 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100450613B1 (ko) * | 1999-12-28 | 2004-09-30 | 주식회사 포스코 | 충격인성이 우수한 후판용접용 선재의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0365407B2 (enrdf_load_stackoverflow) | 1991-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |