DE2025947A1 - Killed steel - deoxidised by vacuum casting in presence of oxides - Google Patents
Killed steel - deoxidised by vacuum casting in presence of oxidesInfo
- Publication number
- DE2025947A1 DE2025947A1 DE19702025947 DE2025947A DE2025947A1 DE 2025947 A1 DE2025947 A1 DE 2025947A1 DE 19702025947 DE19702025947 DE 19702025947 DE 2025947 A DE2025947 A DE 2025947A DE 2025947 A1 DE2025947 A1 DE 2025947A1
- Authority
- DE
- Germany
- Prior art keywords
- steel
- vacuum
- pan
- oxides
- deoxidised
- 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.)
- Granted
Links
- 229910000655 Killed steel Inorganic materials 0.000 title claims description 4
- 238000005266 casting Methods 0.000 title description 5
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000000470 constituent Substances 0.000 claims abstract description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000009489 vacuum treatment Methods 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 2
- 230000009970 fire resistant effect Effects 0.000 claims 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052593 corundum Inorganic materials 0.000 abstract description 4
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000011819 refractory material Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 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
- C21C7/10—Handling in a vacuum
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702025947 DE2025947A1 (en) | 1970-05-27 | 1970-05-27 | Killed steel - deoxidised by vacuum casting in presence of oxides |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702025947 DE2025947A1 (en) | 1970-05-27 | 1970-05-27 | Killed steel - deoxidised by vacuum casting in presence of oxides |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2025947A1 true DE2025947A1 (en) | 1972-01-27 |
| DE2025947C3 DE2025947C3 (OSRAM) | 1975-04-03 |
Family
ID=5772270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702025947 Granted DE2025947A1 (en) | 1970-05-27 | 1970-05-27 | Killed steel - deoxidised by vacuum casting in presence of oxides |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2025947A1 (OSRAM) |
-
1970
- 1970-05-27 DE DE19702025947 patent/DE2025947A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2025947C3 (OSRAM) | 1975-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: KRUPP STAHL AG, 4630 BOCHUM, DE |
|
| 8339 | Ceased/non-payment of the annual fee |