JPH0359124B2 - - Google Patents
Info
- Publication number
- JPH0359124B2 JPH0359124B2 JP59274296A JP27429684A JPH0359124B2 JP H0359124 B2 JPH0359124 B2 JP H0359124B2 JP 59274296 A JP59274296 A JP 59274296A JP 27429684 A JP27429684 A JP 27429684A JP H0359124 B2 JPH0359124 B2 JP H0359124B2
- Authority
- JP
- Japan
- Prior art keywords
- hic
- temperature
- less
- toughness
- hot
- 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 - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 229910001566 austenite Inorganic materials 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052758 niobium Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 229910052720 vanadium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 238000005204 segregation Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 238000005096 rolling process Methods 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 8
- 238000005260 corrosion Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 3
- 229910001562 pearlite Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical group [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 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
- 239000003345 natural gas Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27429684A JPS61157628A (ja) | 1984-12-28 | 1984-12-28 | 高靭性耐サワ−鋼管用ホツトコイルの製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27429684A JPS61157628A (ja) | 1984-12-28 | 1984-12-28 | 高靭性耐サワ−鋼管用ホツトコイルの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61157628A JPS61157628A (ja) | 1986-07-17 |
| JPH0359124B2 true JPH0359124B2 (fr) | 1991-09-09 |
Family
ID=17539666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27429684A Granted JPS61157628A (ja) | 1984-12-28 | 1984-12-28 | 高靭性耐サワ−鋼管用ホツトコイルの製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61157628A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0288054B1 (fr) * | 1987-04-24 | 1993-08-11 | Nippon Steel Corporation | Procédé pour la fabrication de tôles d'acier de haute ténacité à basses températures |
| KR100544419B1 (ko) * | 2000-12-20 | 2006-01-24 | 주식회사 포스코 | 저온인성이 우수한 인장강도 80㎏/㎟급 고내후성열연강판의 제조방법 |
| WO2003006699A1 (fr) * | 2001-07-13 | 2003-01-23 | Nkk Corporation | Tube d'acier a resistance elevee, superieure a celle de la norme api x6 |
| WO2004022807A1 (fr) * | 2002-09-04 | 2004-03-18 | Jfe Steel Corporation | Acier pour soudures a fort apport thermique et son procede de production |
| JP4305216B2 (ja) * | 2004-02-24 | 2009-07-29 | Ｊｆｅスチール株式会社 | 溶接部の靭性に優れる耐サワー高強度電縫鋼管用熱延鋼板およびその製造方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57149423A (en) * | 1981-03-10 | 1982-09-16 | Sumitomo Metal Ind Ltd | Manufacture of thick high-tensile steel plate having excellent low-temperature matting property |
| JPS581014A (ja) * | 1981-06-26 | 1983-01-06 | Nippon Kokan Kk <Nkk> | 耐水素誘起割れ性の優れたホツトコイルの製造方法 |
| JPS591632A (ja) * | 1982-06-28 | 1984-01-07 | Sumitomo Metal Ind Ltd | 冷間加工性のすぐれたＴｉ添加強靭性熱延高張力鋼板の製造法 |
| JPS6134116A (ja) * | 1984-07-24 | 1986-02-18 | Sumitomo Metal Ind Ltd | 強靭性熱間圧延コイルの製造法 |
-
1984
- 1984-12-28 JP JP27429684A patent/JPS61157628A/ja active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57149423A (en) * | 1981-03-10 | 1982-09-16 | Sumitomo Metal Ind Ltd | Manufacture of thick high-tensile steel plate having excellent low-temperature matting property |
| JPS581014A (ja) * | 1981-06-26 | 1983-01-06 | Nippon Kokan Kk <Nkk> | 耐水素誘起割れ性の優れたホツトコイルの製造方法 |
| JPS591632A (ja) * | 1982-06-28 | 1984-01-07 | Sumitomo Metal Ind Ltd | 冷間加工性のすぐれたＴｉ添加強靭性熱延高張力鋼板の製造法 |
| JPS6134116A (ja) * | 1984-07-24 | 1986-02-18 | Sumitomo Metal Ind Ltd | 強靭性熱間圧延コイルの製造法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61157628A (ja) | 1986-07-17 |
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