GB373292A - Improvements in or relating to the heat treatment of alloy steel articles - Google Patents
Improvements in or relating to the heat treatment of alloy steel articlesInfo
- Publication number
- GB373292A GB373292A GB6094/31A GB609431A GB373292A GB 373292 A GB373292 A GB 373292A GB 6094/31 A GB6094/31 A GB 6094/31A GB 609431 A GB609431 A GB 609431A GB 373292 A GB373292 A GB 373292A
- Authority
- GB
- United Kingdom
- Prior art keywords
- articles
- furnace
- tube
- alloy steel
- ferrosilicon
- 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
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Lead Frames For Integrated Circuits (AREA)
- Manufacturing Of Steel Electrode Plates (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
373,292. Heat-treating metal articles. BRITISH THOMSON-HOUSTON CO., Ltd., Crown House, Aldwych, London.-(Assignees of Kelley, F. C.; 1116, Van Curler Avenue, Schenectady, New York, U.S.A.) Feb. 26, 1931, No. 6094. Convention date, Feb. 28, 1930. [Class 72.] In a process for heat-treating alloy steel articles which have first heated in a non- oxidizing or reducing atmosphere, hot rolled, pickled and cold rolled, the articles 4 are placed in a sealed tube 3 which is contained in a larger tube 7 sealed by caps 9 and containing a powdered material 8 comprising an active material such as chromium, manganese, silicon or ferrosilicon which may be mixed with an inert material such as aluminium oxide. The tube 7 is then placed in an electric or other furnace 2 and heated to 1100‹ C. a non-oxidizing gas, such as hydrogen, being passed through the furnace. The non-oxidizing gas passes through the material 8 the active part of which combines with any oxygen or water vapour in the furnace. An example of the material 8 comprises 15 per cent of manganese or ferrosilicon and 85 per cent of aluminium oxide. In a modification, the articles 4 are placed in an annealing box, the cover of which is provided with a seal containing the material 8. Specifications 8362/11, 908/14, 271,530, and 271,606, [all in Class 72, Iron &c.], are referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US373292XA | 1930-02-28 | 1930-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB373292A true GB373292A (en) | 1932-05-26 |
Family
ID=21893759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6094/31A Expired GB373292A (en) | 1930-02-28 | 1931-02-26 | Improvements in or relating to the heat treatment of alloy steel articles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB373292A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275558A (en) * | 2021-05-14 | 2021-08-20 | 扬州大学 | Heat treatment device for rapidly heating and cooling powder sample |
-
1931
- 1931-02-26 GB GB6094/31A patent/GB373292A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113275558A (en) * | 2021-05-14 | 2021-08-20 | 扬州大学 | Heat treatment device for rapidly heating and cooling powder sample |
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