JPS54135611A - Refining method for caterpiller graphite cast iron - Google Patents
Refining method for caterpiller graphite cast ironInfo
- Publication number
- JPS54135611A JPS54135611A JP4212878A JP4212878A JPS54135611A JP S54135611 A JPS54135611 A JP S54135611A JP 4212878 A JP4212878 A JP 4212878A JP 4212878 A JP4212878 A JP 4212878A JP S54135611 A JPS54135611 A JP S54135611A
- Authority
- JP
- Japan
- Prior art keywords
- cast iron
- graphite
- caterpiller
- graphite cast
- refining method
- 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.)
- Pending
Links
Landscapes
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
PURPOSE: To stably manufacture caterpiller graphite cast iron by adding a graphite form regulating agent consisting of rare earth elements, Ca and Mg to molten cast iron contg. Si<1.0%.
CONSTITUTION: To molten cast contg. C; 2.0W4.0%, Mn<1.0%, P<0.1%, S< 0.01% and Si<1.0% is added 0.75W1.25% of Fe-Si consisting of Mg; 4.5%, Ca; 1.5%, rare earth elements; 1.5%, Si; 45% and Fe; the balance. Graphite in the cast iron is turned to caterpiller graphite to enhance the mechanical properties such as tensile strength and elongation of a casting. By regulating the Si content of the cast iron to below 1.0%, caterpiller graphite cast iron of high reliability in quality is manufactured without adding a graphite spheroidizing inhibiting element such as Ti.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4212878A JPS54135611A (en) | 1978-04-12 | 1978-04-12 | Refining method for caterpiller graphite cast iron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4212878A JPS54135611A (en) | 1978-04-12 | 1978-04-12 | Refining method for caterpiller graphite cast iron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS54135611A true JPS54135611A (en) | 1979-10-22 |
Family
ID=12627293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4212878A Pending JPS54135611A (en) | 1978-04-12 | 1978-04-12 | Refining method for caterpiller graphite cast iron |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS54135611A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882173A (en) * | 2014-02-11 | 2014-06-25 | 山东秋辰机械制造有限公司 | Controllable method of vermicular graphite cast iron with same-ladle creep ratio of 10%-90% |
| CN105420439A (en) * | 2016-01-07 | 2016-03-23 | 天润曲轴股份有限公司 | Medium-content manganese, magnesium and silicon series nodulizing agent |
-
1978
- 1978-04-12 JP JP4212878A patent/JPS54135611A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882173A (en) * | 2014-02-11 | 2014-06-25 | 山东秋辰机械制造有限公司 | Controllable method of vermicular graphite cast iron with same-ladle creep ratio of 10%-90% |
| CN103882173B (en) * | 2014-02-11 | 2015-12-02 | 山东秋辰机械制造有限公司 | Vermicular cast iron is with the controllable method of bag nodulizing rate 10%-90% |
| CN105420439A (en) * | 2016-01-07 | 2016-03-23 | 天润曲轴股份有限公司 | Medium-content manganese, magnesium and silicon series nodulizing agent |
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