DE2243839A1 - Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle - Google Patents
Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehleInfo
- Publication number
- DE2243839A1 DE2243839A1 DE19722243839 DE2243839A DE2243839A1 DE 2243839 A1 DE2243839 A1 DE 2243839A1 DE 19722243839 DE19722243839 DE 19722243839 DE 2243839 A DE2243839 A DE 2243839A DE 2243839 A1 DE2243839 A1 DE 2243839A1
- Authority
- DE
- Germany
- Prior art keywords
- carbon
- chromium
- low
- oxygen
- nitrogen
- 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.)
- Pending
Links
- 229910052799 carbon Inorganic materials 0.000 title claims description 45
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims description 32
- 238000000034 method Methods 0.000 title claims description 28
- 229910000831 Steel Inorganic materials 0.000 title claims description 24
- 239000010959 steel Substances 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000011651 chromium Substances 0.000 claims description 36
- 229910052804 chromium Inorganic materials 0.000 claims description 33
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 29
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 26
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 239000000155 melt Substances 0.000 claims description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 239000011261 inert gas Substances 0.000 claims description 15
- 229910052786 argon Inorganic materials 0.000 claims description 11
- 239000002893 slag Substances 0.000 claims description 11
- 238000007670 refining Methods 0.000 claims description 10
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- 238000007664 blowing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 8
- 229910000604 Ferrochrome Inorganic materials 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 229910000805 Pig iron Inorganic materials 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 3
- PWKWDCOTNGQLID-UHFFFAOYSA-N [N].[Ar] Chemical compound [N].[Ar] PWKWDCOTNGQLID-UHFFFAOYSA-N 0.000 claims description 3
- 229910002090 carbon oxide Inorganic materials 0.000 claims description 3
- 229910004709 CaSi Inorganic materials 0.000 claims description 2
- 238000005275 alloying Methods 0.000 claims description 2
- 229910052748 manganese Inorganic materials 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 claims 1
- 239000000956 alloy Substances 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 239000011572 manganese Substances 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 3
- 229910000423 chromium oxide Inorganic materials 0.000 description 3
- 239000000161 steel melt Substances 0.000 description 3
- 229910005347 FeSi Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VVTSZOCINPYFDP-UHFFFAOYSA-N [O].[Ar] Chemical compound [O].[Ar] VVTSZOCINPYFDP-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910000669 Chrome steel Inorganic materials 0.000 description 1
- OLBVUFHMDRJKTK-UHFFFAOYSA-N [N].[O] Chemical compound [N].[O] OLBVUFHMDRJKTK-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/005—Manufacture of stainless steel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722243839 DE2243839A1 (de) | 1972-09-07 | 1972-09-07 | Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle |
| IT2626073A IT990984B (it) | 1972-09-07 | 1973-07-06 | Procedimento per la produzione di acciai ferritici a basso tenore di carbonio ed elevato tenore di cromo |
| GB4046073A GB1430375A (en) | 1972-09-07 | 1973-08-28 | Process for the manufacture of low-carbon ferritic steel with a high chromium content |
| FR7331320A FR2199004B1 (enrdf_load_stackoverflow) | 1972-09-07 | 1973-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722243839 DE2243839A1 (de) | 1972-09-07 | 1972-09-07 | Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2243839A1 true DE2243839A1 (de) | 1974-03-28 |
Family
ID=5855661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722243839 Pending DE2243839A1 (de) | 1972-09-07 | 1972-09-07 | Verfahren zur herstellung kohlenstoffarmer hochchromhaltiger ferritischer staehle |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2243839A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2199004B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1430375A (enrdf_load_stackoverflow) |
| IT (1) | IT990984B (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0008463A1 (en) * | 1978-08-24 | 1980-03-05 | Union Carbide Corporation | Method for controlling the temperature of the melt during pneumatic refining of steel |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57145917A (en) * | 1981-03-03 | 1982-09-09 | Sumitomo Metal Ind Ltd | Refining method for high chromium steel |
| DE102005032929A1 (de) * | 2004-11-12 | 2006-05-18 | Sms Demag Ag | Herstellung von Rostfreistahl der ferritischen Stahlgruppe AISI 4xx in einem AOD-Konverter |
| CN110218836B (zh) * | 2019-05-14 | 2021-04-27 | 鞍钢股份有限公司 | 一种硅铁脱铝提纯方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1916945C3 (de) * | 1969-04-02 | 1980-04-17 | Eisenwerk-Gesellschaft Maximilianshuette Mbh, 8458 Sulzbach-Rosenberg | Anwendung des Mantelgas-Verfahrens zum Frischen von Roheisen zu Stahl |
| DE2007373B2 (de) * | 1970-02-18 | 1973-05-03 | Eisenwerk-Gesellschaft Maximilianshütte mbH, 8458 Sulzbach-Rosenberg | Verfahren und konverter zum herstellen ferritischer chromstaehle |
| US3728101A (en) * | 1970-11-09 | 1973-04-17 | Armco Steel Corp | Process for making stainless steel |
-
1972
- 1972-09-07 DE DE19722243839 patent/DE2243839A1/de active Pending
-
1973
- 1973-07-06 IT IT2626073A patent/IT990984B/it active
- 1973-08-28 GB GB4046073A patent/GB1430375A/en not_active Expired
- 1973-08-30 FR FR7331320A patent/FR2199004B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0008463A1 (en) * | 1978-08-24 | 1980-03-05 | Union Carbide Corporation | Method for controlling the temperature of the melt during pneumatic refining of steel |
Also Published As
| Publication number | Publication date |
|---|---|
| IT990984B (it) | 1975-07-10 |
| FR2199004A1 (enrdf_load_stackoverflow) | 1974-04-05 |
| GB1430375A (en) | 1976-03-31 |
| FR2199004B1 (enrdf_load_stackoverflow) | 1976-10-01 |
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