CN104060194A - Fine-grain centrifugal casted high manganese steel sleeve - Google Patents
Fine-grain centrifugal casted high manganese steel sleeve Download PDFInfo
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- CN104060194A CN104060194A CN201410063067.XA CN201410063067A CN104060194A CN 104060194 A CN104060194 A CN 104060194A CN 201410063067 A CN201410063067 A CN 201410063067A CN 104060194 A CN104060194 A CN 104060194A
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- high manganese
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- manganese steel
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Abstract
Provided is a fine-grain centrifugal casted high manganese steel sleeve which includes following components, by weight, 10.0-15.0% of manganese, 0.90-1.50% of carbon, 0.30-1.0% of silicon, not more than 0.05% of sulfur, not more than 0.10% of phosphorus, 0.05-1.0% of titanium, 0.01-0.05% of zirconium, 0.003-0.01% of niobium, 0.001-0.02% of vanadium and the balance ferrum. Through control of an inoculation process, zirconium, niobium and vanadium, which are employed as core-generating agents (inoculating agents), are added to the high manganese steel, wherein these elements combined with carbon and nitrogen in steel to generate carbide and nitride. The carbide and the nitride have functions of foreign cores during a crystallization process of steel so that grain of the steel can be refined.
Description
Technical field
The invention belongs to centrifugally cast manufacturing process field, be specifically related to a kind of close grain rotational casting high mangaenese steel cover.
Background technology
Rotational casting, utilizes the method for centrifugal forming tubulose or hollow tubular article; Rotary casting can obtain without the foundry goods of shrinkage cavity, pore, slag inclusion and organize fine and closely woven, good mechanical property.For reaching the grain fineness of product, by adding a small amount of other elements as raw core agent (nucleating agent) in steel, form carbide with carbon and nitrification in steel, control and obtain being greater than the grain fineness number of 3 grades, make the grain refining of steel.
Summary of the invention
The object of the present invention is to provide a kind of close grain rotational casting high mangaenese steel cover, its mechanical property is good, improves the work-ing life of product.
Technical scheme of the present invention is: a kind of close grain rotational casting high mangaenese steel cover, its composition following (weight percent), Mn 10.0～15.0%, and C 0.90～1.50%, and Si 0.30～1.0%, S≤0.05%, P≤0.10%, Ti 0.05～1.0%, and Zr 0.01～0.05%, Nb 0.003～0.01%, and V 0.001～0.02%; Surplus is Fe.
Further, a close grain rotational casting high mangaenese steel cover, its composition following (weight percent), Mn 12.0～14.0%, C 1.0～1.30%, Si 0.40～0.8%, S≤0.03%, P≤0.05%, Ti 0.05～0.1%, Zr 0.02～0.04%, and Nb 0.005～0.01%, and V 0.001～0.015%; Surplus is Fe.
As preferably, a kind of close grain rotational casting high mangaenese steel cover, its composition following (weight percent), Mn 13.0%, and C 1.2%, and Si 0.6%, and S 0.02%, and P 0.02%, and Ti 0.08%, and Zr 0.03%, and Nb 0.01%, and V 0.01%; Surplus is Fe.
By controlling its inoculation, in high mangaenese steel, add titanium, zirconium, niobium and v element as raw core agent (nucleating agent), carbon in these elements and steel and nitrification form carbide and nitride, these carbide and nitride can play the effect of external core in the crystallisation process of steel, thereby can make the grain refining of steel.
Accompanying drawing explanation
Fig. 1 is the enlarged view of two crystal grain least part of the prepared product of the present invention.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of close grain rotational casting high mangaenese steel cover, its composition following (weight percent), Mn 10.0～15.0%, and C 0.90～1.50%, and Si 0.30～1.0%, S≤0.05%, P≤0.10%, Ti 0.05～1.0%, and Zr 0.01～0.05%, Nb 0.003～0.01%, and V 0.001～0.02%; Surplus is Fe.
Embodiment 2
A kind of close grain rotational casting high mangaenese steel cover, its composition following (weight percent), Mn 12.0～14.0%, and C 1.0～1.30%, and Si 0.40～0.8%, S≤0.03%, P≤0.05%, Ti 0.05～0.1%, and Zr 0.02～0.04%, Nb 0.005～0.01%, and V 0.001～0.015%; Surplus is Fe.
Embodiment 3
A close grain rotational casting high mangaenese steel cover, its composition following (weight percent), Mn 13.0%, C1.2%, Si 0.6%, and S 0.02%, and P 0.02%, and Ti 0.08%, and Zr 0.03%, and Nb 0.01%, and V 0.01%; Surplus is Fe.
The enlarged view of two crystal grain least part of prepared product is as accompanying drawing.
Claims (3)
1. a close grain rotational casting high mangaenese steel cover, its composition following (weight percent), Mn 10.0～15.0%, and C 0.90～1.50%, and Si 0.30～1.0%, S≤0.05%, P≤0.10%, Ti 0.05～1.0%, and Zr 0.01～0.05%, Nb 0.003～0.01%, and V 0.001～0.02%; Surplus is Fe.
2. a kind of close grain rotational casting high mangaenese steel cover according to claim 1, it is characterized in that: its composition following (weight percent), Mn 12.0～14.0%, and C 1.0～1.30%, and Si 0.40～0.8%, S≤0.03%, P≤0.05%, Ti 0.05～0.1%, and Zr 0.02～0.04%, Nb 0.005～0.01%, and V 0.001～0.015%; Surplus is Fe.
3. a kind of close grain rotational casting high mangaenese steel cover according to claim 2, is characterized in that: its composition is (weight percent) as follows, and Mn 13.0%, and C 1.2%, Si 0.6%, and S 0.02%, and P 0.02%, and Ti 0.08%, Zr 0.03%, and Nb 0.01%, and V 0.01%; Surplus is Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063067.XA CN104060194A (en) | 2014-02-25 | 2014-02-25 | Fine-grain centrifugal casted high manganese steel sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063067.XA CN104060194A (en) | 2014-02-25 | 2014-02-25 | Fine-grain centrifugal casted high manganese steel sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104060194A true CN104060194A (en) | 2014-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410063067.XA Pending CN104060194A (en) | 2014-02-25 | 2014-02-25 | Fine-grain centrifugal casted high manganese steel sleeve |
Country Status (1)
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038468A (en) * | 1988-06-15 | 1990-01-03 | 山东工业大学 | A kind of novel manganese steel of high-wear resistance |
| JPH04154938A (en) * | 1990-10-15 | 1992-05-27 | Nippon Steel Corp | High mn non-magnetic steel low in stress corrosion cracking sensitivity |
| CN101491829A (en) * | 2009-02-20 | 2009-07-29 | 中国科学院金属研究所 | Casting technique of grain refined solid manganese steel frog of long life |
| CN103328670A (en) * | 2010-12-28 | 2013-09-25 | 埃克森美孚研究工程公司 | High manganese containing steels for oil gas and petrochemical applications |
-
2014
- 2014-02-25 CN CN201410063067.XA patent/CN104060194A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038468A (en) * | 1988-06-15 | 1990-01-03 | 山东工业大学 | A kind of novel manganese steel of high-wear resistance |
| JPH04154938A (en) * | 1990-10-15 | 1992-05-27 | Nippon Steel Corp | High mn non-magnetic steel low in stress corrosion cracking sensitivity |
| CN101491829A (en) * | 2009-02-20 | 2009-07-29 | 中国科学院金属研究所 | Casting technique of grain refined solid manganese steel frog of long life |
| CN103328670A (en) * | 2010-12-28 | 2013-09-25 | 埃克森美孚研究工程公司 | High manganese containing steels for oil gas and petrochemical applications |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140924 |