JPS57131308A - Inoculant for preventing chilling of lead-containing cast iron - Google Patents
Inoculant for preventing chilling of lead-containing cast ironInfo
- Publication number
- JPS57131308A JPS57131308A JP1485681A JP1485681A JPS57131308A JP S57131308 A JPS57131308 A JP S57131308A JP 1485681 A JP1485681 A JP 1485681A JP 1485681 A JP1485681 A JP 1485681A JP S57131308 A JPS57131308 A JP S57131308A
- Authority
- JP
- Japan
- Prior art keywords
- inoculant
- type
- inoculants
- lead
- cast iron
- 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 obtain an inoculant having the effect of suppressing strongly the formation of the chill layer near the black skin surface of lead-contg. cast iron by mixing Mg, and Mischmetal to ordinary inoculants of Fe-Si type, graphite type, Ca-Si type, etc.
CONSTITUTION: An inoculant wherein 2W5% Mg and/or 5W50% Mischmetal by weight are contained in ordinary inoculants such as Fe-Si type, graphite type, Ca - Si type, Fe-Al type inoculants. Here, the Mg is usually an additive component for the purpose of formation of spheroidal graphite, and if it is large in amt., graphite spheroidization is accelerated and therefore it is added in the above- described range. The Mg and the Mischmetal can be added to ordinary inoculants respectively independently or simultaneously. Unless the lead-contg. cast iron to be added with this inoculant is of low content of S, the effect of preventing chilling does not appear distinctly. The inoculation with this inoculant is accomplished by charging beforehand a prescribed amt. of the inoculant, for example, to the bottom of a ladle, and putting molten metal in the ladle.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1485681A JPS57131308A (en) | 1981-02-03 | 1981-02-03 | Inoculant for preventing chilling of lead-containing cast iron |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1485681A JPS57131308A (en) | 1981-02-03 | 1981-02-03 | Inoculant for preventing chilling of lead-containing cast iron |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57131308A true JPS57131308A (en) | 1982-08-14 |
Family
ID=11872666
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1485681A Pending JPS57131308A (en) | 1981-02-03 | 1981-02-03 | Inoculant for preventing chilling of lead-containing cast iron |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57131308A (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS497116A (en) * | 1972-05-13 | 1974-01-22 | ||
JPS5013730A (en) * | 1973-05-02 | 1975-02-13 |
-
1981
- 1981-02-03 JP JP1485681A patent/JPS57131308A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS497116A (en) * | 1972-05-13 | 1974-01-22 | ||
JPS5013730A (en) * | 1973-05-02 | 1975-02-13 |
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