JPH02407B2 - - Google Patents
Info
- Publication number
- JPH02407B2 JPH02407B2 JP60115940A JP11594085A JPH02407B2 JP H02407 B2 JPH02407 B2 JP H02407B2 JP 60115940 A JP60115940 A JP 60115940A JP 11594085 A JP11594085 A JP 11594085A JP H02407 B2 JPH02407 B2 JP H02407B2
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- chromium
- electrode
- arc
- chromium ore
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 47
- 239000010959 steel Substances 0.000 claims description 47
- 239000011651 chromium Substances 0.000 claims description 42
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 35
- 229910052804 chromium Inorganic materials 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 21
- 239000003575 carbonaceous material Substances 0.000 claims description 19
- 239000011812 mixed powder Substances 0.000 claims description 10
- 238000007670 refining Methods 0.000 claims description 9
- 239000012159 carrier gas Substances 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000010079 rubber tapping Methods 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
- 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
-
- 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
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60115940A JPS61272309A (ja) | 1985-05-29 | 1985-05-29 | ア−クプロセスにおける溶鋼の精錬方法 |
KR1019860003926A KR900004159B1 (ko) | 1985-05-29 | 1986-05-20 | 아크 프로세스에 의한 용강의 가열방법 |
EP86106973A EP0203533B1 (en) | 1985-05-29 | 1986-05-22 | Method of heating molten steel by arc process |
DE8686106973T DE3677059D1 (de) | 1985-05-29 | 1986-05-22 | Verfahren zum aufheizen von geschmolzenem stahl mittels lichtbogen. |
ZA863975A ZA863975B (en) | 1985-05-29 | 1986-05-28 | Method of heating molten steel by arc process |
CA000510202A CA1242325A (en) | 1985-05-29 | 1986-05-28 | Method of heating molten steel by arc process |
US06/868,807 US4650517A (en) | 1985-05-29 | 1986-05-29 | Method of heating molten steel by arc process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60115940A JPS61272309A (ja) | 1985-05-29 | 1985-05-29 | ア−クプロセスにおける溶鋼の精錬方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61272309A JPS61272309A (ja) | 1986-12-02 |
JPH02407B2 true JPH02407B2 (tr) | 1990-01-08 |
Family
ID=14674943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP60115940A Granted JPS61272309A (ja) | 1985-05-29 | 1985-05-29 | ア−クプロセスにおける溶鋼の精錬方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS61272309A (tr) |
ZA (1) | ZA863975B (tr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63128147A (ja) * | 1986-11-19 | 1988-05-31 | Nkk Corp | 含クロム溶鋼の製造方法 |
JPS63203712A (ja) * | 1987-02-19 | 1988-08-23 | Daido Steel Co Ltd | 含クロム鋼の溶製方法 |
JPS6425938A (en) * | 1987-07-20 | 1989-01-27 | Daido Steel Co Ltd | Refining method for molten steel by arc furnace |
JP2564604B2 (ja) * | 1988-05-19 | 1996-12-18 | 日本鋼管株式会社 | 含クロム鋼の電気炉精錬法 |
-
1985
- 1985-05-29 JP JP60115940A patent/JPS61272309A/ja active Granted
-
1986
- 1986-05-28 ZA ZA863975A patent/ZA863975B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ZA863975B (en) | 1987-01-28 |
JPS61272309A (ja) | 1986-12-02 |
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