GB514941A - Cast iron alloy and method of producing same - Google Patents
Cast iron alloy and method of producing sameInfo
- Publication number
- GB514941A GB514941A GB817038A GB817038A GB514941A GB 514941 A GB514941 A GB 514941A GB 817038 A GB817038 A GB 817038A GB 817038 A GB817038 A GB 817038A GB 514941 A GB514941 A GB 514941A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cast iron
- per cent
- heat
- iron alloy
- producing same
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/04—Cast-iron alloys containing spheroidal graphite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
514,941. Alloys; annealing SPARLING, W. J. March 16, 1938, No. 8170. Drawings to Specification. [Classes 72 and 82 (i)] Cast iron containing 0.5 per cent. or more of copper and 0.6 per cent. or more of manganese is subjected to heat-treatment above and below the critical range in order to produce uniformly distributed spheroidized cementite, and is further heat-treated within the critical range to cause some or all of the spheroidized cementite to migrate to the ferrite grain boundaries. The upper limits of copper and manganese may be 1.5 and 1.1 per cent. respectively, and the heat-treatment may comprise heating to 1,600- 1,800‹F., quenching to below the critical temperature, reheating to 1,250-1,300‹F., and further heating at 1,325-1,360‹F. U.S.A. Specification 2,008,452 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB817038A GB514941A (en) | 1938-03-16 | 1938-03-16 | Cast iron alloy and method of producing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB817038A GB514941A (en) | 1938-03-16 | 1938-03-16 | Cast iron alloy and method of producing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB514941A true GB514941A (en) | 1939-11-22 |
Family
ID=9847141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB817038A Expired GB514941A (en) | 1938-03-16 | 1938-03-16 | Cast iron alloy and method of producing same |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB514941A (en) |
-
1938
- 1938-03-16 GB GB817038A patent/GB514941A/en not_active Expired
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