JPS6076252A - Casting mold made of cast iron having two-layered structure for steel ingot - Google Patents
Casting mold made of cast iron having two-layered structure for steel ingotInfo
- Publication number
- JPS6076252A JPS6076252A JP18572583A JP18572583A JPS6076252A JP S6076252 A JPS6076252 A JP S6076252A JP 18572583 A JP18572583 A JP 18572583A JP 18572583 A JP18572583 A JP 18572583A JP S6076252 A JPS6076252 A JP S6076252A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- steel ingot
- cast iron
- casting
- tone sheet
- 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
- 229910000831 Steel Inorganic materials 0.000 title abstract 5
- 239000010959 steel Substances 0.000 title abstract 5
- 238000005266 casting Methods 0.000 title abstract 4
- 229910001018 Cast iron Inorganic materials 0.000 title abstract 3
- 239000000463 material Substances 0.000 abstract 4
- 229910000519 Ferrosilicon Inorganic materials 0.000 abstract 2
- 229910000529 magnetic ferrite Inorganic materials 0.000 abstract 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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 [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 1
- 229910001567 cementite Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 229910002804 graphite Inorganic materials 0.000 abstract 1
- 239000010439 graphite Substances 0.000 abstract 1
- 229910001562 pearlite Inorganic materials 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/06—Ingot moulds or their manufacture
Abstract
PURPOSE:To prevent generation of a tone sheet in the stage of removing a steel ingot from a mold for casting a steel ingot by using thinly a material which is different from the material of the mold and has a low yield point to constitute the part of the lower inside surface of the mold where the tone sheet is liable to arise. CONSTITUTION:A core 9 for forming the inside surface of a mold for casting a steel ingot is erected on a flat plate-shaped drag 8 and a master mold 10 is disposed to form a space 12 for forming the mold to enclose said core mold. A cast iron for the casting mold is then poured through a runner 11 and a sprue 13 into the space 12 to cast the mold. A mold coating material 14 mixed with powder of ferrosilicon is used in the part of the lower outside circumferential surface of the mold 9 where a tone sheet is liable to arise. The molten cast iron poured into this part forms the material consisting primcipally of ferrite having a low yield point to 0.2-1mm. thickness as the cementite in the pearlite base is decomposed to ferrite and graphite by ferrosilicon. The generation of the tone sheet on the lower inside surface of the mold is obviated in the stage of drawing the steel ingot cast by using such mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18572583A JPS6076252A (en) | 1983-10-03 | 1983-10-03 | Casting mold made of cast iron having two-layered structure for steel ingot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18572583A JPS6076252A (en) | 1983-10-03 | 1983-10-03 | Casting mold made of cast iron having two-layered structure for steel ingot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6076252A true JPS6076252A (en) | 1985-04-30 |
Family
ID=16175760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18572583A Pending JPS6076252A (en) | 1983-10-03 | 1983-10-03 | Casting mold made of cast iron having two-layered structure for steel ingot |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076252A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0319603A (en) * | 1989-06-15 | 1991-01-28 | Kobashi Kogyo Co Ltd | Extended apron device for rotary tiller |
| CN102343423A (en) * | 2011-09-29 | 2012-02-08 | 上海宝钢铸造有限公司 | Steel ingot mold cast-iron core bar with large ratio of height to diameter |
-
1983
- 1983-10-03 JP JP18572583A patent/JPS6076252A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0319603A (en) * | 1989-06-15 | 1991-01-28 | Kobashi Kogyo Co Ltd | Extended apron device for rotary tiller |
| CN102343423A (en) * | 2011-09-29 | 2012-02-08 | 上海宝钢铸造有限公司 | Steel ingot mold cast-iron core bar with large ratio of height to diameter |
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