DE3146950C2 - - Google Patents
Info
- Publication number
- DE3146950C2 DE3146950C2 DE3146950A DE3146950A DE3146950C2 DE 3146950 C2 DE3146950 C2 DE 3146950C2 DE 3146950 A DE3146950 A DE 3146950A DE 3146950 A DE3146950 A DE 3146950A DE 3146950 C2 DE3146950 C2 DE 3146950C2
- Authority
- DE
- Germany
- Prior art keywords
- steel
- toughness
- temperature
- rolling
- content
- 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 72
- 239000010959 steel Substances 0.000 claims description 72
- 238000000034 method Methods 0.000 claims description 29
- 238000003466 welding Methods 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 14
- 229910052719 titanium Inorganic materials 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 13
- 229910052717 sulfur Inorganic materials 0.000 claims description 13
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052758 niobium Inorganic materials 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 7
- 238000009749 continuous casting Methods 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229910052804 chromium Inorganic materials 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 44
- 239000010953 base metal Substances 0.000 description 18
- 239000010936 titanium Substances 0.000 description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 12
- 230000006872 improvement Effects 0.000 description 10
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 9
- 239000011593 sulfur Substances 0.000 description 9
- 229910001566 austenite Inorganic materials 0.000 description 8
- 238000001816 cooling Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 7
- 239000011572 manganese Substances 0.000 description 7
- 239000010955 niobium Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000029142 excretion Effects 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 238000009863 impact test Methods 0.000 description 4
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 235000019577 caloric intake Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55167277A JPS5792129A (en) | 1980-11-27 | 1980-11-27 | Production of nonrefined high toughness steel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3146950A1 DE3146950A1 (de) | 1982-06-03 |
| DE3146950C2 true DE3146950C2 (fr) | 1988-01-07 |
Family
ID=15846755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813146950 Granted DE3146950A1 (de) | 1980-11-27 | 1981-11-26 | Verfahren zur herstellung von gewaltzem hochzaehem stahl |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5792129A (fr) |
| CA (1) | CA1190835A (fr) |
| DE (1) | DE3146950A1 (fr) |
| IT (1) | IT1172106B (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3323929A1 (de) * | 1982-07-09 | 1984-01-12 | Mannesmann AG, 4000 Düsseldorf | Verfahren zur herstellung von feinkoernigen, schweissbaren grossrohrblechen |
| CS330783A2 (en) | 1982-07-09 | 1984-06-18 | Mannesmann Ag | Zpusob vyroby plechu s jemnozrnnou strukturou z nizce legovane oceli pro vyrobu trub velkeho prumeru |
| JPS5980717A (ja) * | 1982-10-29 | 1984-05-10 | Nippon Kokan Kk <Nkk> | 大入熱溶接継手靭性の優れた非調質型低温用Ｎｉ鋼の製造方法 |
| JPS59100214A (ja) * | 1982-11-29 | 1984-06-09 | Nippon Kokan Kk <Nkk> | 厚肉高張力鋼の製造方法 |
| JPS6059018A (ja) * | 1983-08-03 | 1985-04-05 | Nippon Steel Corp | 溶接性および低温靭性の優れたＣｕ添加鋼の製造法 |
| AU554218B2 (en) * | 1983-11-11 | 1986-08-14 | Sumitomo Metal Industries Ltd. | Htnt low alloy steel bars for low temperature applications |
| DE3437637A1 (de) * | 1984-10-13 | 1986-04-24 | Thyssen Stahl AG, 4100 Duisburg | Verfahren zur herstellung von grobblech |
| US4720307A (en) * | 1985-05-17 | 1988-01-19 | Nippon Kokan Kabushiki Kaisha | Method for producing high strength steel excellent in properties after warm working |
| JPH01228643A (ja) * | 1988-03-09 | 1989-09-12 | Nippon Steel Corp | 鋼中にＭｎＳを均一かつ微細に分散析出させる方法 |
| JPH0768577B2 (ja) * | 1989-03-24 | 1995-07-26 | 新日本製鐵株式会社 | 低温靭性の優れた大入熱溶接用鋼の製造方法 |
| DE10229109A1 (de) * | 2002-06-25 | 2004-01-29 | V&M Deutschland Gmbh | Nahtloses Leitungsrohr aus hochfestem und hochzähem Stahl |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3673007A (en) * | 1968-11-29 | 1972-06-27 | Japan Steel Works Ltd | Method for manufacturing a high toughness steel without subjecting it to heat treatment |
| US4138278A (en) * | 1976-08-27 | 1979-02-06 | Nippon Steel Corporation | Method for producing a steel sheet having remarkably excellent toughness at low temperatures |
| JPS5421917A (en) * | 1977-07-20 | 1979-02-19 | Nippon Kokan Kk <Nkk> | Method of manufacturing non-quenched high-tensile steel having high toughness |
| JPS5827327B2 (ja) * | 1977-11-21 | 1983-06-08 | 日本鋼管株式会社 | セパレ−シヨンの生じない制御圧延高張力鋼の製造法 |
| JPS5853122B2 (ja) * | 1978-08-22 | 1983-11-28 | 日立造船株式会社 | 消波堤 |
| JPS5814848B2 (ja) * | 1979-03-30 | 1983-03-22 | 新日本製鐵株式会社 | 非調質高強度高靭性鋼の製造法 |
| JPS601929B2 (ja) * | 1980-10-30 | 1985-01-18 | 新日本製鐵株式会社 | 強靭鋼の製造法 |
-
1980
- 1980-11-27 JP JP55167277A patent/JPS5792129A/ja active Granted
-
1981
- 1981-11-26 IT IT49774/81A patent/IT1172106B/it active
- 1981-11-26 CA CA000390950A patent/CA1190835A/fr not_active Expired
- 1981-11-26 DE DE19813146950 patent/DE3146950A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5792129A (en) | 1982-06-08 |
| DE3146950A1 (de) | 1982-06-03 |
| JPS613370B2 (fr) | 1986-01-31 |
| IT8149774A0 (it) | 1981-11-26 |
| IT1172106B (it) | 1987-06-18 |
| CA1190835A (fr) | 1985-07-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| PK | Publication date corrected |
Effective date: 19880121 |
|
| 8380 | Miscellaneous part iii |
Free format text: "AUF DEM TITELBLATT DER PATENTSCHRIFT IST DER VEROEFFENTLICHUNGSTAG DER PATENTERTEILUNG ZU AENDERN IN 21.01.88" |
|
| 8363 | Opposition against the patent | ||
| 8339 | Ceased/non-payment of the annual fee |