FR513671A - Process for the production of ferro-tungsten - Google Patents
Process for the production of ferro-tungstenInfo
- Publication number
- FR513671A FR513671A FR513671A FR513671DA FR513671A FR 513671 A FR513671 A FR 513671A FR 513671 A FR513671 A FR 513671A FR 513671D A FR513671D A FR 513671DA FR 513671 A FR513671 A FR 513671A
- Authority
- FR
- France
- Prior art keywords
- ferro
- tungsten
- production
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C35/00—Master alloys for iron or steel
- C22C35/005—Master alloys for iron or steel based on iron, e.g. ferro-alloys
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon And Carbon Compounds (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE513671X | 1918-05-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR513671A true FR513671A (en) | 1921-02-21 |
Family
ID=6548475
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR513671A Expired FR513671A (en) | 1918-05-06 | 1920-04-13 | Process for the production of ferro-tungsten |
FR513658A Expired FR513658A (en) | 1918-05-06 | 1920-04-14 | Process for the production of low-carbon ferrochrome |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR513658A Expired FR513658A (en) | 1918-05-06 | 1920-04-14 | Process for the production of low-carbon ferrochrome |
Country Status (4)
Country | Link |
---|---|
AT (1) | AT89015B (en) |
CH (2) | CH85900A (en) |
FR (2) | FR513671A (en) |
GB (2) | GB147458A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2380348A1 (en) * | 1977-02-14 | 1978-09-08 | Amax Inc | VACUUM FUSION PROCESS FOR MANUFACTURING A FERROTUNGSTENE ALLOY |
-
1919
- 1919-06-26 CH CH85900D patent/CH85900A/en unknown
- 1919-06-26 CH CH85901D patent/CH85901A/en unknown
- 1919-06-27 AT AT89015D patent/AT89015B/en active
-
1920
- 1920-04-13 FR FR513671A patent/FR513671A/en not_active Expired
- 1920-04-14 FR FR513658A patent/FR513658A/en not_active Expired
- 1920-07-07 GB GB1936420A patent/GB147458A/en not_active Expired
- 1920-07-07 GB GB1936320A patent/GB147457A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2380348A1 (en) * | 1977-02-14 | 1978-09-08 | Amax Inc | VACUUM FUSION PROCESS FOR MANUFACTURING A FERROTUNGSTENE ALLOY |
Also Published As
Publication number | Publication date |
---|---|
AT89015B (en) | 1922-07-25 |
GB147457A (en) | 1921-10-07 |
CH85900A (en) | 1920-07-16 |
CH85901A (en) | 1920-07-16 |
GB147458A (en) | 1921-10-06 |
FR513658A (en) | 1921-02-21 |
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