JPH055577B2 - - Google Patents
Info
- Publication number
- JPH055577B2 JPH055577B2 JP62305738A JP30573887A JPH055577B2 JP H055577 B2 JPH055577 B2 JP H055577B2 JP 62305738 A JP62305738 A JP 62305738A JP 30573887 A JP30573887 A JP 30573887A JP H055577 B2 JPH055577 B2 JP H055577B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- powder
- slab
- mold powder
- blowholes
- 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
- 239000000843 powder Substances 0.000 claims description 29
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 229910052799 carbon Inorganic materials 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 6
- 238000009749 continuous casting Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 238000004090 dissolution Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 6
- 239000002893 slag Substances 0.000 description 4
- 230000008018 melting Effects 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910014458 Ca-Si Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000047 product Substances 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
- 210000002784 stomach Anatomy 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/111—Treating the molten metal by using protecting powders
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30573887A JPH01148444A (ja) | 1987-12-04 | 1987-12-04 | 高酸素鋼のブローホール減少方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30573887A JPH01148444A (ja) | 1987-12-04 | 1987-12-04 | 高酸素鋼のブローホール減少方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01148444A JPH01148444A (ja) | 1989-06-09 |
| JPH055577B2 true JPH055577B2 (de) | 1993-01-22 |
Family
ID=17948745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30573887A Granted JPH01148444A (ja) | 1987-12-04 | 1987-12-04 | 高酸素鋼のブローホール減少方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01148444A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07122099B2 (ja) * | 1991-01-10 | 1995-12-25 | 川崎製鉄株式会社 | 密着性、耐泡・黒点欠陥性に優れたほうろう用鋼板の製造方法 |
| CN108889916B (zh) * | 2018-06-25 | 2020-08-28 | 河钢股份有限公司 | 控制中碳钢宽厚板坯皮下类气泡缺陷的方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51132113A (en) * | 1973-12-03 | 1976-11-17 | Sutoruberugu Gmbh | Additions for continuous steel casting |
| JPS52123330A (en) * | 1976-04-07 | 1977-10-17 | Eitel Hans Joachim | Powder for casting and method of making the powder |
| JPS6087960A (ja) * | 1983-09-22 | 1985-05-17 | フオセコ・インターナシヨナル・リミテツド | 金属鋳造用溶剤、その製造方法及び鋳造方法 |
| JPS63174767A (ja) * | 1987-01-14 | 1988-07-19 | Nippon Steel Corp | 極低炭素鋼鋳造用パウダ− |
| JPH0422663A (ja) * | 1990-05-18 | 1992-01-27 | Hitachi Ltd | 印字装置 |
-
1987
- 1987-12-04 JP JP30573887A patent/JPH01148444A/ja active Granted
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51132113A (en) * | 1973-12-03 | 1976-11-17 | Sutoruberugu Gmbh | Additions for continuous steel casting |
| JPS52123330A (en) * | 1976-04-07 | 1977-10-17 | Eitel Hans Joachim | Powder for casting and method of making the powder |
| JPS6087960A (ja) * | 1983-09-22 | 1985-05-17 | フオセコ・インターナシヨナル・リミテツド | 金属鋳造用溶剤、その製造方法及び鋳造方法 |
| JPS63174767A (ja) * | 1987-01-14 | 1988-07-19 | Nippon Steel Corp | 極低炭素鋼鋳造用パウダ− |
| JPH0422663A (ja) * | 1990-05-18 | 1992-01-27 | Hitachi Ltd | 印字装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01148444A (ja) | 1989-06-09 |
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