FR2032999A5 - Low carbon steel powder from machining - waste - Google Patents
Low carbon steel powder from machining - wasteInfo
- Publication number
- FR2032999A5 FR2032999A5 FR7006510A FR7006510A FR2032999A5 FR 2032999 A5 FR2032999 A5 FR 2032999A5 FR 7006510 A FR7006510 A FR 7006510A FR 7006510 A FR7006510 A FR 7006510A FR 2032999 A5 FR2032999 A5 FR 2032999A5
- Authority
- FR
- France
- Prior art keywords
- machining
- waste
- low carbon
- carbon steel
- steel powder
- 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
- 229910001209 Low-carbon steel Inorganic materials 0.000 title abstract 2
- 238000003754 machining Methods 0.000 title abstract 2
- 239000002699 waste material Substances 0.000 title abstract 2
- 239000000843 powder Substances 0.000 title 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/20—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds
- B22F9/22—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from solid metal compounds using gaseous reductors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/145—Chemical treatment, e.g. passivation or decarburisation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon And Carbon Compounds (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Abstract
Low carbon steel or iron powder produced by lowering the carbon content of the iron powder by reduction with carbon monoxide, hydrogen or ammonia is made from waste left from machining steel, which is cleaned and reduced at a temp. 1000 degrees C, specif. in a rotating furnace.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6902853A NL6902853A (en) | 1969-02-24 | 1969-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2032999A5 true FR2032999A5 (en) | 1970-11-27 |
Family
ID=19806241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7006510A Expired FR2032999A5 (en) | 1969-02-24 | 1970-02-24 | Low carbon steel powder from machining - waste |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU1159170A (en) |
| DE (1) | DE2007494A1 (en) |
| FR (1) | FR2032999A5 (en) |
| NL (1) | NL6902853A (en) |
-
1969
- 1969-02-24 NL NL6902853A patent/NL6902853A/xx unknown
-
1970
- 1970-02-19 DE DE19702007494 patent/DE2007494A1/en active Pending
- 1970-02-19 AU AU11591/70A patent/AU1159170A/en not_active Expired
- 1970-02-24 FR FR7006510A patent/FR2032999A5/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU1159170A (en) | 1971-08-28 |
| NL6902853A (en) | 1970-08-26 |
| DE2007494A1 (en) | 1971-09-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |