JPS57137410A - Production of gray cast iron - Google Patents
Production of gray cast ironInfo
- Publication number
- JPS57137410A JPS57137410A JP2190181A JP2190181A JPS57137410A JP S57137410 A JPS57137410 A JP S57137410A JP 2190181 A JP2190181 A JP 2190181A JP 2190181 A JP2190181 A JP 2190181A JP S57137410 A JPS57137410 A JP S57137410A
- Authority
- JP
- Japan
- Prior art keywords
- cast iron
- molten
- content
- composition
- production
- 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
Abstract
PURPOSE: To improve cast iron structure effectively without using any adhesives by mixing molten cast iron of hyper eutectic composition contg. specific amts. of C and Si with molten cast iron of hypoeutectic composition of the specific EC value and controlling the contents of C and Si.
CONSTITUTION: Molten cast iron which is of hypereutectic composition and is of 3.6W5.4wt% content of carbon and 6.0W14.0wt% content of silicon is mixed at a suitable amt. into molten cast iron of hypoeutectic composition of 2.1W4.3% CE value, whereby it is controlled to the molten cast iron of 2.6W3.8wt% content of carbon and 1.0W3.0wt% content of silicon. Thence, this molten metal is cast into mold without adding any adhesives thereto or after adding a very slight amt. thereof to this molten metal, whereby gray cast iron is produced. Thereby, the effect of the added molten metal is sustained for about 30min to 1hr, the production of cementite is prevented and the crystallization of micrographite and eutetic graphite is reduced.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2190181A JPS57137410A (en) | 1981-02-17 | 1981-02-17 | Production of gray cast iron |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2190181A JPS57137410A (en) | 1981-02-17 | 1981-02-17 | Production of gray cast iron |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57137410A true JPS57137410A (en) | 1982-08-25 |
Family
ID=12068004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2190181A Pending JPS57137410A (en) | 1981-02-17 | 1981-02-17 | Production of gray cast iron |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57137410A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111101058A (en) * | 2019-12-26 | 2020-05-05 | 中钢集团邢台机械轧辊有限公司 | High-wear-resistance graphite steel edge rolling roller of section steel-rail beam rolling mill and manufacturing method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5118365A (en) * | 1974-08-06 | 1976-02-13 | Showa Denko Kk |
-
1981
- 1981-02-17 JP JP2190181A patent/JPS57137410A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5118365A (en) * | 1974-08-06 | 1976-02-13 | Showa Denko Kk |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111101058A (en) * | 2019-12-26 | 2020-05-05 | 中钢集团邢台机械轧辊有限公司 | High-wear-resistance graphite steel edge rolling roller of section steel-rail beam rolling mill and manufacturing method thereof |
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