GB422114A - An improved manufacture of metal articles from iron-carbon alloys - Google Patents
An improved manufacture of metal articles from iron-carbon alloysInfo
- Publication number
- GB422114A GB422114A GB9708/33A GB970833A GB422114A GB 422114 A GB422114 A GB 422114A GB 9708/33 A GB9708/33 A GB 9708/33A GB 970833 A GB970833 A GB 970833A GB 422114 A GB422114 A GB 422114A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- iron
- rolled
- metal articles
- carbon alloys
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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)
- Heat Treatment Of Sheet Steel (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
Solid castings of iron, containing 1,5-4 per cent of carbon, are rolled or forged at above 1200 DEG F., preferably at 1600-2000 DEG F., and then malleabilized. The iron should contain 0,45-1,75 per cent of silicon and under 1 per cent of manganese, 0,225 per cent of phosphorus and 0,05 per cent of sulphur, and may contain up to 1 per cent of molybdenum or 0,6 p per cent of copper. The cast billet or slab is cooled rapidly and reheated, or is soaked at rolling temperature and then rolled without reheating. The sheet or strip is then kept at a temperature of 1250-1600 DEG F. for about 100 hours or less for alloy iron. The material may then be cold rolled, annealed at above 1200 DEG F., and stamped to form various articles or formed into electrically welded tubes, slitting first if necessary. The material may also be tinned, galvanized, or nitrogenized.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US422114XA | 1932-06-28 | 1932-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB422114A true GB422114A (en) | 1934-12-31 |
Family
ID=21920648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9708/33A Expired GB422114A (en) | 1932-06-28 | 1933-03-31 | An improved manufacture of metal articles from iron-carbon alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB422114A (en) |
-
1933
- 1933-03-31 GB GB9708/33A patent/GB422114A/en not_active Expired
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