GB1236271A - Method of forming steel powder - Google Patents
Method of forming steel powderInfo
- Publication number
- GB1236271A GB1236271A GB45164/68A GB4516468A GB1236271A GB 1236271 A GB1236271 A GB 1236271A GB 45164/68 A GB45164/68 A GB 45164/68A GB 4516468 A GB4516468 A GB 4516468A GB 1236271 A GB1236271 A GB 1236271A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heating zone
- powder
- dew point
- steel powder
- sept
- 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
- 239000000843 powder Substances 0.000 title abstract 6
- 229910000831 Steel Inorganic materials 0.000 title abstract 3
- 239000010959 steel Substances 0.000 title abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 6
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 4
- 239000007789 gas Substances 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
- C21D3/02—Extraction of non-metals
- C21D3/04—Decarburising
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Powder Metallurgy (AREA)
- Compounds Of Iron (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US67129067A | 1967-09-28 | 1967-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1236271A true GB1236271A (en) | 1971-06-23 |
Family
ID=24693889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB45164/68A Expired GB1236271A (en) | 1967-09-28 | 1968-09-23 | Method of forming steel powder |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR1582424A (enrdf_load_stackoverflow) |
GB (1) | GB1236271A (enrdf_load_stackoverflow) |
SE (1) | SE346331B (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0108175B1 (en) * | 1982-11-02 | 1988-01-13 | Sumitomo Metal Industries, Ltd. | Process for producing alloy steel powder |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE350770B (enrdf_load_stackoverflow) * | 1971-05-14 | 1972-11-06 | Hoeganaes Ab |
-
1968
- 1968-09-23 GB GB45164/68A patent/GB1236271A/en not_active Expired
- 1968-09-27 FR FR1582424D patent/FR1582424A/fr not_active Expired
- 1968-09-27 SE SE13060/68A patent/SE346331B/xx unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0108175B1 (en) * | 1982-11-02 | 1988-01-13 | Sumitomo Metal Industries, Ltd. | Process for producing alloy steel powder |
Also Published As
Publication number | Publication date |
---|---|
SE346331B (enrdf_load_stackoverflow) | 1972-07-03 |
FR1582424A (enrdf_load_stackoverflow) | 1969-09-26 |
DE1783068A1 (de) | 1971-03-18 |
DE1783068B2 (de) | 1977-05-26 |
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