DE2243779C2 - Verfahren zum Sauerstoff-Wasserstoff-Frischen bei der Herstellung rostfreier Stähle mit hohem Chromgehalt oder Kobalt- oder Nickellegierungen - Google Patents
Verfahren zum Sauerstoff-Wasserstoff-Frischen bei der Herstellung rostfreier Stähle mit hohem Chromgehalt oder Kobalt- oder NickellegierungenInfo
- Publication number
- DE2243779C2 DE2243779C2 DE2243779A DE2243779A DE2243779C2 DE 2243779 C2 DE2243779 C2 DE 2243779C2 DE 2243779 A DE2243779 A DE 2243779A DE 2243779 A DE2243779 A DE 2243779A DE 2243779 C2 DE2243779 C2 DE 2243779C2
- Authority
- DE
- Germany
- Prior art keywords
- water vapor
- oxygen
- melt
- blown
- carbon
- 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
- 238000000034 method Methods 0.000 title claims description 52
- 239000011651 chromium Substances 0.000 title claims description 33
- 239000001257 hydrogen Substances 0.000 title claims description 33
- 229910052739 hydrogen Inorganic materials 0.000 title claims description 33
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 30
- 229910052804 chromium Inorganic materials 0.000 title claims description 30
- 238000007670 refining Methods 0.000 title claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910000990 Ni alloy Inorganic materials 0.000 title claims description 3
- 239000010941 cobalt Substances 0.000 title claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 title claims description 3
- 229910000531 Co alloy Inorganic materials 0.000 title claims 2
- 239000000155 melt Substances 0.000 claims description 72
- 239000001301 oxygen Substances 0.000 claims description 69
- 229910052760 oxygen Inorganic materials 0.000 claims description 69
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 58
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 48
- 229910052799 carbon Inorganic materials 0.000 claims description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 43
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 34
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 26
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 26
- 229910052757 nitrogen Inorganic materials 0.000 claims description 24
- 238000007254 oxidation reaction Methods 0.000 claims description 22
- 230000003647 oxidation Effects 0.000 claims description 21
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 238000005261 decarburization Methods 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 239000010703 silicon Substances 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 10
- 150000002431 hydrogen Chemical class 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 36
- 238000002474 experimental method Methods 0.000 description 26
- 239000007789 gas Substances 0.000 description 26
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 25
- 238000007664 blowing Methods 0.000 description 22
- 229910052786 argon Inorganic materials 0.000 description 18
- 229910000831 Steel Inorganic materials 0.000 description 12
- 239000010959 steel Substances 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 239000002826 coolant Substances 0.000 description 7
- 239000011572 manganese Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000002893 slag Substances 0.000 description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 229910052748 manganese Inorganic materials 0.000 description 5
- 241001163743 Perlodes Species 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 241001233037 catfish Species 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000007865 diluting Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000000161 steel melt Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229910000805 Pig iron Inorganic materials 0.000 description 2
- 244000078856 Prunus padus Species 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009489 vacuum treatment Methods 0.000 description 2
- 229910001339 C alloy Inorganic materials 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910005347 FeSi Inorganic materials 0.000 description 1
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- CZAYMIVAIKGLOR-UHFFFAOYSA-N [Ni].[Co]=O Chemical compound [Ni].[Co]=O CZAYMIVAIKGLOR-UHFFFAOYSA-N 0.000 description 1
- PIYVNGWKHNMMAU-UHFFFAOYSA-N [O].O Chemical compound [O].O PIYVNGWKHNMMAU-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- FXNGWBDIVIGISM-UHFFFAOYSA-N methylidynechromium Chemical compound [Cr]#[C] FXNGWBDIVIGISM-UHFFFAOYSA-N 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- -1 silicochrome Chemical compound 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/068—Decarburising
- C21C7/0685—Decarburising of stainless steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4650771 | 1971-10-06 | ||
| GB916272*[A GB1396317A (en) | 1971-10-06 | 1972-02-28 | Process for decarbu''sing chromium containing alloys |
| SE7207583A SE386205C (sv) | 1971-10-06 | 1972-06-09 | Sett att nedbringa kolhalten i kromhaltiga metallsmeltor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2243779A1 DE2243779A1 (de) | 1973-04-12 |
| DE2243779C2 true DE2243779C2 (de) | 1985-06-27 |
Family
ID=27255318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2243779A Expired DE2243779C2 (de) | 1971-10-06 | 1972-09-06 | Verfahren zum Sauerstoff-Wasserstoff-Frischen bei der Herstellung rostfreier Stähle mit hohem Chromgehalt oder Kobalt- oder Nickellegierungen |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3867135A (2) |
| JP (1) | JPS5545610B2 (2) |
| AT (1) | AT338855B (2) |
| AU (1) | AU477134B2 (2) |
| BE (1) | BE789083A (2) |
| CA (1) | CA977556A (2) |
| DE (1) | DE2243779C2 (2) |
| ES (1) | ES406431A1 (2) |
| FI (1) | FI53597C (2) |
| FR (1) | FR2158859A5 (2) |
| GB (1) | GB1396317A (2) |
| IT (1) | IT964235B (2) |
| LU (1) | LU66234A1 (2) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188206A (en) * | 1971-10-06 | 1980-02-12 | Uddeholms Aktiebolag | Metallurgical process |
| FR2340375A2 (fr) * | 1976-02-04 | 1977-09-02 | Creusot Loire | Procede d'elaboration des aciers au chrome |
| US4187474A (en) * | 1977-08-11 | 1980-02-05 | Xerox Corporation | Metal vapor laser discharge tube |
| US4260415A (en) * | 1979-12-12 | 1981-04-07 | Allegheny Ludlum Steel Corporation | Decarburizing molten metal |
| US4451288A (en) * | 1982-06-29 | 1984-05-29 | Union Carbide Corporation | Method for producing low hydrogen content in steels produced by subsurface pneumatic refining |
| US5182079A (en) * | 1990-07-17 | 1993-01-26 | Nelson & Associates Research, Inc. | Metallic composition and processes for use of the same |
| US5055253A (en) * | 1990-07-17 | 1991-10-08 | Nelson & Associates Research, Inc. | Metallic composition |
| US5505798A (en) * | 1994-06-22 | 1996-04-09 | Jerry L. Nelson | Method of producing a tool or die steel |
| US6146033A (en) | 1998-06-03 | 2000-11-14 | Printronix, Inc. | High strength metal alloys with high magnetic saturation induction and method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2079901A (en) * | 1934-07-05 | 1937-05-11 | Burtner Fleeger | Metallurgical addition agent and process |
| US2855293A (en) * | 1955-03-21 | 1958-10-07 | Air Liquide | Method and apparatus for treating molten metal with oxygen |
| US2864689A (en) * | 1956-07-24 | 1958-12-16 | Electro Chimie Metal | Process of successively desulphurizing and desiliconizing a bath of pig iron |
| US3076703A (en) * | 1958-04-28 | 1963-02-05 | Arbed | Manufacture of steel |
| BE610265A (2) * | 1960-11-18 | |||
| NL296346A (2) * | 1962-08-07 | |||
| GB1182959A (en) * | 1967-12-08 | 1970-03-04 | Steel Co Of Wales Ltd | Improvements in and relating to the Refining of Iron. |
| GB1253581A (en) * | 1968-02-24 | 1971-11-17 | Maximilianshuette Eisenwerk | Improvements in processes and apparatus for making steel |
-
0
- BE BE789083D patent/BE789083A/xx not_active IP Right Cessation
-
1972
- 1972-02-28 GB GB916272*[A patent/GB1396317A/en not_active Expired
- 1972-07-28 FI FI2128/72A patent/FI53597C/fi active
- 1972-08-24 IT IT28475/72A patent/IT964235B/it active
- 1972-09-06 DE DE2243779A patent/DE2243779C2/de not_active Expired
- 1972-09-06 ES ES72406431A patent/ES406431A1/es not_active Expired
- 1972-10-02 AT AT845572A patent/AT338855B/de not_active IP Right Cessation
- 1972-10-04 AU AU47399/72A patent/AU477134B2/en not_active Expired
- 1972-10-04 FR FR7235109A patent/FR2158859A5/fr not_active Expired
- 1972-10-04 LU LU66234A patent/LU66234A1/xx unknown
- 1972-10-04 JP JP9972072A patent/JPS5545610B2/ja not_active Expired
- 1972-10-05 US US295355A patent/US3867135A/en not_active Expired - Lifetime
- 1972-10-05 CA CA153,345A patent/CA977556A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1396317A (en) | 1975-06-04 |
| BE789083A (fr) | 1973-01-15 |
| US3867135A (en) | 1975-02-18 |
| IT964235B (it) | 1974-01-21 |
| AU477134B2 (en) | 1976-10-14 |
| FR2158859A5 (2) | 1973-06-15 |
| JPS5545610B2 (2) | 1980-11-19 |
| LU66234A1 (2) | 1973-02-01 |
| DE2243779A1 (de) | 1973-04-12 |
| JPS4845413A (2) | 1973-06-29 |
| ES406431A1 (es) | 1975-07-16 |
| AT338855B (de) | 1977-09-26 |
| ATA845572A (de) | 1977-01-15 |
| FI53597C (fi) | 1978-06-12 |
| FI53597B (2) | 1978-02-28 |
| CA977556A (en) | 1975-11-11 |
| AU4739972A (en) | 1974-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition |