GB890560A - Improvements in or relating to the production of cast iron - Google Patents
Improvements in or relating to the production of cast ironInfo
- Publication number
- GB890560A GB890560A GB8613/59A GB861359A GB890560A GB 890560 A GB890560 A GB 890560A GB 8613/59 A GB8613/59 A GB 8613/59A GB 861359 A GB861359 A GB 861359A GB 890560 A GB890560 A GB 890560A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cast iron
- relating
- production
- cast
- excess
- 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
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/04—Removing impurities other than carbon, phosphorus or sulfur
-
- 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)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
A cast iron having "as-cast" an austentic, bainitic or martensitic structure with excess carbon in the nodular form contains Mn 2,5-10% and Mo 0,5-3,5%, the balance of the composition being such that the required structure could not be obtained if the Mn and Mo were outside the ranges specified. Preferably the cast iron contains Cu 0,2-2,5% and it may be stress-relieved at 500-900 DEG F. and annealed at 1600 DEG F. for decomposition of excess carbides. Specification 645,862 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US890560XA | 1958-05-08 | 1958-05-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB890560A true GB890560A (en) | 1962-03-07 |
Family
ID=22215416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8613/59A Expired GB890560A (en) | 1958-05-08 | 1959-03-12 | Improvements in or relating to the production of cast iron |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB890560A (en) |
-
1959
- 1959-03-12 GB GB8613/59A patent/GB890560A/en not_active Expired
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