CN1022698C - Mn alloy steel and the process for treating same - Google Patents
Mn alloy steel and the process for treating same Download PDFInfo
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- CN1022698C CN1022698C CN 89105275 CN89105275A CN1022698C CN 1022698 C CN1022698 C CN 1022698C CN 89105275 CN89105275 CN 89105275 CN 89105275 A CN89105275 A CN 89105275A CN 1022698 C CN1022698 C CN 1022698C
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Abstract
The present invention belongs to an alloy material, particularly to a novel Mn alloy steel. The alterative of K and Na, and alloy materials of Cr, V, or Mo, Ti, etc. are compositely added into a Mn steel. The metallographic structure that second phase abrasion resistant material particles are dispersed and distributed on a microlite austenite base body which is strengthened in a solid dissolving mode is obtained by dispersion processing. The material not only has excellent abrasion resistance under a non-intense impact working condition, but also still has excellent abrasion resistance under an intense impact working condition. The present invention has the advantages of simple production technology, low cost and abundant raw material sources. The present invention is an ideal material for making the abrasion resistant parts of machines of metallurgy, mines, construction, railways, etc.
Description
The invention belongs to metallic substance, a kind of novel manganese alloy steel.
High mangaenese steel (the Mn of current widespread use
13), because it has the good impact wear resisting property and the characteristic of work hardening, so be widely used in making the wearing piece of machineries such as metallurgy, mine, building materials, chemical industry for a long time.Because this material is to be applied to make other part that weares and teares, so it is very big to produce consumption.In order further to improve the wear resisting property of high mangaenese steel, scientific and technical personnel have carried out great deal of experimental both at home and abroad in recent years, seek the better new steel grade of mechanical property.For example: Japanese Patent JP60-43422 introduces, and adds (weight ratio) Cr:0～3%, Ni:0～4%, Mo:0～2.5%, Ti:0.05～0.09%, V:0～0.05%(Ti+V ≈ 0.05～0.14% in high mangaenese steel); United States Patent (USP) us 4494988 introduces, at Mn
13Middle (weight %) Cr:4～6, Ni:4～6 and the certain N content of adding; Russian patent su 850725 introduces, and adds (weight %) Cr:0.5～2, V:0.1～0.5, Ti:0.2～0.6, Nb:0.1～0.3, N:0.5～0.65 in high mangaenese steel.The wear resisting property of above material is all than Mn
13Steel have raising in various degree.But,, improved material cost significantly owing in these steel, added the more expensive rare alloy material of more price.The increase rate of its wear resisting property is also unsatisfactory, and the ratio of performance to price is reasonable inadequately.And production technique is also complicated more.
The objective of the invention is to use the K-Na alterant, appropriate design alloying scheme is utilized the starting material of simple production technique and wide material sources, obtains the good novel manganese alloy steel of a kind of wear resisting property.
The present invention adds the K-Na alterant in manganese steel, realize refined crystalline strengthening; Add Cr or Mo or V and realize solution strengthening; Add Ti and handle the realization dispersion-strengthened by disperse.Composite alloying and disperse treatment process combine, and have obtained on the thin brilliant austenitic matrix of solution strengthening the disperse metallographic structure of the second mutually wear-resisting particle that distributing, thereby have significantly improved the wear resisting property of manganese alloy steel.The weight percent of its composition is C:0.8～1.6, Mn:8～15, Si:0.2～1.5, the K-Na alterant: 0.4～5, Cr or V or Mo(add separately or compound adding): 0.05～0.6, Ti:0.05～0.4, S :≤0.05, P :≤0.1, surplus is Fe and unavoidable impurities.
Best proportioning of the present invention (weight %) is C:1～1.3, Mn:9～12, Si:0.3～0.6, K-Na alterant: 1～2, Cr or V or Mo(add separately or compound adding): 0.20～0.40, Ti:0.1～0.2, surplus is Fe and unavoidable impurities.
Disperse treatment process of the present invention is: be heated to and quench after directly being cooled to 800 ℃～980 ℃ isothermals after 1000 ℃～1100 ℃ insulations.
Novel manganese alloy steel provided by the present invention after thermal treatment process processing provided by the present invention, has not only improved the wear resisting property of material under the non-strong impact working condition, and has improved the wear resisting property of material under the intense impact operating mode greatly.Its starting material source is abundant, and with low cost, production technique is simple, during energy-conservation, joint.Be to make the broken grinding machine tool of industries uses such as metallurgy, mine, building materials, chemical industry and the ideal material of constructional engineering machinery wearing piece.
Embodiment: usefulness as shown in table 1 is provided by the present invention to be numbered 250 * 500 jaw crusher swing tooth plates of 2,3,4 material composition trial-production.Foundry goods is through the disperse treatment process, directly is cooled to 800 ℃～980 ℃ after foundry goods is heated to 1000 ℃～1100 ℃ insulations, quenches behind the isothermal.Above material and Mn
13Carry out with the machine simultaneous test, broken material is the brown corundum of hardness HV1800～2200 degree, and reduction ratio is 2.4.Test-results shows: be numbered 2,3,4 steel of the present invention than the Mn that is numbered 1
13The steel wear resisting property improves 1.87,2.3,1.73 times respectively.
Claims (3)
1, a kind of novel manganese alloy steel, the composition (weight %) that it is characterized in that it is: C:0.8～1.6, Mn:8～15, Si:0.2～1.5, the K-Na alterant: 0.4～5, Cr or V or Mo:0.05～0.6, Ti:0.05～0.4, S :≤0.05, P≤0.1, surplus is Fe and unavoidable impurities.
2, a kind of novel manganese alloy steel according to claim 1, the best composition (weight %) that it is characterized in that it is C:1.0～1.3, Mn:9～12, Si:0.3～0.6, K-Na alterant: 1～2, Cr or V or Mo:0.20～0.40, Tr:0.1～0.2, surplus is Fe and unavoidable impurities.
3, the disperse treatment process of the novel manganese alloy steel of claim 1 is: be heated to and quench after directly being cooled to 800 ℃～980 ℃ isothermals after 1000 ℃～1150 ℃ insulations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105275 CN1022698C (en) | 1989-04-25 | 1989-04-25 | Mn alloy steel and the process for treating same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89105275 CN1022698C (en) | 1989-04-25 | 1989-04-25 | Mn alloy steel and the process for treating same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1046763A CN1046763A (en) | 1990-11-07 |
| CN1022698C true CN1022698C (en) | 1993-11-10 |
Family
ID=4856042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89105275 Expired - Fee Related CN1022698C (en) | 1989-04-25 | 1989-04-25 | Mn alloy steel and the process for treating same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1022698C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102912246B (en) * | 2012-10-25 | 2015-07-08 | 武汉钢铁(集团)公司 | High-manganese-steel composite material applied to bushing block of tapered crushing machine |
| CN104264073A (en) * | 2014-10-30 | 2015-01-07 | 新野德艺精密铸造有限公司 | Multi-element alloy high-manganese steel material and technology for preparing counterbalance by utilizing material |
| CN108559916A (en) * | 2018-04-27 | 2018-09-21 | 苏州弗士曼精密机械有限公司 | A kind of waste water filtering net stainless steel |
| CN111218622A (en) * | 2020-03-12 | 2020-06-02 | 湖南省山力新材料有限责任公司 | Austenitic high manganese steel and preparation method thereof |
-
1989
- 1989-04-25 CN CN 89105275 patent/CN1022698C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1046763A (en) | 1990-11-07 |
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