JPS54132420A - High strength spheroidal graphite cast iron - Google Patents
High strength spheroidal graphite cast ironInfo
- Publication number
- JPS54132420A JPS54132420A JP4057178A JP4057178A JPS54132420A JP S54132420 A JPS54132420 A JP S54132420A JP 4057178 A JP4057178 A JP 4057178A JP 4057178 A JP4057178 A JP 4057178A JP S54132420 A JPS54132420 A JP S54132420A
- Authority
- JP
- Japan
- Prior art keywords
- cast
- high strength
- cast iron
- iron
- spheroidal graphite
- 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.)
- Granted
Links
Abstract
PURPOSE: To prevent a strength lowering of spheroidal graphite cast iron with a service temp. rise by adding a specific amt. of Ni to provide high strength as cast.
CONSTITUTION: 6W12% electrolytic Ni is added to molten cast iron contg. C; 1.7W 3.8%, Si; 0.8W3.0% and Mn; 0.3W2.0%. The iron is then treated with a Mg type graphite spheroidizing agent to spheroidize graphite in the iron structure. It is immediately inoculated with Fe-Si powder and cast in an ingot case. A casting of the resulting spheroidal graphite cast iron has such a high strength as above 100 kg/mm2 at 300°C as cast without requiring any special heat treatment, and the strength is remarkably increased with a temp. rise to 300°C.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53040571A JPS5834543B2 (en) | 1978-04-05 | 1978-04-05 | High strength spheroidal graphite cast iron |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53040571A JPS5834543B2 (en) | 1978-04-05 | 1978-04-05 | High strength spheroidal graphite cast iron |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54132420A true JPS54132420A (en) | 1979-10-15 |
JPS5834543B2 JPS5834543B2 (en) | 1983-07-27 |
Family
ID=12584154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP53040571A Expired JPS5834543B2 (en) | 1978-04-05 | 1978-04-05 | High strength spheroidal graphite cast iron |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5834543B2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5265125A (en) * | 1975-11-25 | 1977-05-30 | Watanabe Iron Works | Wear resistance spherulitic graphite cast iron based on austenite and marutensite |
-
1978
- 1978-04-05 JP JP53040571A patent/JPS5834543B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5265125A (en) * | 1975-11-25 | 1977-05-30 | Watanabe Iron Works | Wear resistance spherulitic graphite cast iron based on austenite and marutensite |
Also Published As
Publication number | Publication date |
---|---|
JPS5834543B2 (en) | 1983-07-27 |
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