GB421794A - An improved manufacture of metal articles from iron-carbon alloys - Google Patents
An improved manufacture of metal articles from iron-carbon alloysInfo
- Publication number
- GB421794A GB421794A GB27590/34A GB2759034A GB421794A GB 421794 A GB421794 A GB 421794A GB 27590/34 A GB27590/34 A GB 27590/34A GB 2759034 A GB2759034 A GB 2759034A GB 421794 A GB421794 A GB 421794A
- Authority
- GB
- United Kingdom
- Prior art keywords
- per cent
- under
- iron
- rolled
- carbon
- 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 Articles (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Malleabilized castings of iron, containing 1,5-4 per cent of carbon, are rolled into sheet form at a temperature between 1000 and 2000 DEG F. White cast iron, which may contain 1,5-4 per cent of carbon, 0,45-1,75 of silicon, under 1 per cent of manganese, under 0,225 and preferably under 0,05 per cent of phosphorus, and under 0,05 per cent of sulphur, is cast into a slab or other form suitable for rolling. Up to 1 per cent of molybdenum or 0,6 per cent of copper may also be added. The casting is then malleabilized by heating to 1250-1600 DEG F., preferably 1500-1550 DEG F., for about 100 hours, or less if molybdenum is present. The slab is then rolled at 1000-2000 DEG F., preferably under 1600 DEG F., cold rolled, and annealed at over 1200 DEG F. The sheet may be stamped &c. to form various articles and tinned, galvanised or nitrogenized. Rolled or sheared strips may be bent into tubes hot and welded and if desired annealed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US421794XA | 1932-06-28 | 1932-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB421794A true GB421794A (en) | 1934-12-31 |
Family
ID=21920472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB27590/34A Expired GB421794A (en) | 1932-06-28 | 1933-03-31 | An improved manufacture of metal articles from iron-carbon alloys |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB421794A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807728A (en) * | 1986-03-20 | 1989-02-28 | Hitachi Metals, Ltd. | Brake member and method of manufacturing same |
-
1933
- 1933-03-31 GB GB27590/34A patent/GB421794A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807728A (en) * | 1986-03-20 | 1989-02-28 | Hitachi Metals, Ltd. | Brake member and method of manufacturing same |
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