JPH0525580B2 - - Google Patents
Info
- Publication number
- JPH0525580B2 JPH0525580B2 JP30853487A JP30853487A JPH0525580B2 JP H0525580 B2 JPH0525580 B2 JP H0525580B2 JP 30853487 A JP30853487 A JP 30853487A JP 30853487 A JP30853487 A JP 30853487A JP H0525580 B2 JPH0525580 B2 JP H0525580B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- steel
- slab
- toughness
- haz
- 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 49
- 239000010959 steel Substances 0.000 claims description 49
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 7
- 238000009749 continuous casting Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 229910052758 niobium Inorganic materials 0.000 claims description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 12
- 239000010953 base metal Substances 0.000 description 7
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 5
- 229910000859 α-Fe Inorganic materials 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910052720 vanadium Inorganic materials 0.000 description 3
- 229910000532 Deoxidized steel Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Continuous Casting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30853487A JPH01150453A (ja) | 1987-12-08 | 1987-12-08 | 低温靭性の優れた大径鋼管の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30853487A JPH01150453A (ja) | 1987-12-08 | 1987-12-08 | 低温靭性の優れた大径鋼管の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01150453A JPH01150453A (ja) | 1989-06-13 |
| JPH0525580B2 true JPH0525580B2 (fr) | 1993-04-13 |
Family
ID=17982188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30853487A Granted JPH01150453A (ja) | 1987-12-08 | 1987-12-08 | 低温靭性の優れた大径鋼管の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01150453A (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2950076B2 (ja) * | 1993-01-08 | 1999-09-20 | 住友金属工業株式会社 | 溶接構造物用鋼 |
| JP2011246804A (ja) | 2010-04-30 | 2011-12-08 | Nippon Steel Corp | 電子ビーム溶接継手及び電子ビーム溶接用鋼材とその製造方法 |
| WO2012070353A1 (fr) * | 2010-11-22 | 2012-05-31 | 新日本製鐵株式会社 | Joint soudé par faisceau d'électrons, acier pour soudage par faisceau d'électrons, et leur procédé de fabrication |
| JP2011246805A (ja) | 2010-04-30 | 2011-12-08 | Nippon Steel Corp | 電子ビーム溶接継手及び電子ビーム溶接用鋼材とその製造方法 |
| EP2644732B1 (fr) * | 2010-11-22 | 2019-02-20 | Nippon Steel & Sumitomo Metal Corporation | Joint soudé par faisceau d'électrons, acier pour soudage par faisceau d'électrons, et leur procédé de fabrication |
-
1987
- 1987-12-08 JP JP30853487A patent/JPH01150453A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01150453A (ja) | 1989-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term | ||
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080413 Year of fee payment: 15 |