CN103290330A - High-hardness casting titanium manganese iron alloy - Google Patents
High-hardness casting titanium manganese iron alloy Download PDFInfo
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- CN103290330A CN103290330A CN2012100547387A CN201210054738A CN103290330A CN 103290330 A CN103290330 A CN 103290330A CN 2012100547387 A CN2012100547387 A CN 2012100547387A CN 201210054738 A CN201210054738 A CN 201210054738A CN 103290330 A CN103290330 A CN 103290330A
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Abstract
The invention relates to a high-hardness casting titanium manganese iron alloy. The alloy comprises the following main chemical components in percentage by mass: 20-25% of Mn, 4.0-5.5% of Al, 1.5-2.5% of Cu, 1.5-3.0% of Mo, 0.5-2.0% of V, 2.0-3.3% of Ti, 1.0-2.5% of Cr, and impurity element contents are controlled to be that content of C is less than or equal to 0.25%, the content of Si is less than or equal to 0.20%, the content of Fe is less than or equal to 3.3%, the content of N is less than or equal to 0.05%, the content of H is less than or equal to 0.015%, the content of O is less than or equal to 0.15%, and the balance being Fe. Hardness of the high-hardness casting titanium manganese iron alloy can be HB200 at room temperature after appropriate heat treatment is carried out. Compared with a common high-hardness casting alloy, the high-hardness casting titanium manganese iron alloy can achieve better hardness, strength and abrasion resistance, has good toughness and abrasion resistance and can be applied to development and production of mechanical equipment parts requiring high-hardness abrasion-resistant parts in the fields of metallurgy, mines and building materials.
Description
Technical field
The invention belongs to a kind of alloy, specifically is casting titanium manganeseirom.
Background technology
Manganese alloy steel has hardness height, intensity height, nonmagnetic, advantage such as over-all properties is superior, and oneself is widely used in a plurality of fields such as mine, metallurgy, chemical industry.Be accompanied by the development and application of manganese alloy, the research of high rigidity manganese alloy both at home and abroad and production have also obtained very big progress.Most of casting manganese alloy prolongs the composition of having used high manganese steel basically at present, and mechanical property is as follows under the high-rigidity cast manganese alloy normal temperature of using always at present:
The trade mark of High Manganese Steel Casting and chemical ingredients
The mechanical property of High Manganese Steel Casting
Annotate: foundry goods must carry out the tough processing of water, and the tough mechanical property of handling the back sample of water should meet the requirement of this table.
Above-mentioned manganese alloy is used for casting manganese alloy complex component, particularly complicated part, HI high impact part, special wearing piece aspect, and the life-span is short, changes frequently, can't satisfy the problems such as mechanical property requirements of HI high impact under the specific environment, special wearing piece.
Summary of the invention
The purpose of this invention is to provide a kind of high strength, high rigidity, HI high impact, the good casting of special wearing piece castability titanium manganeseirom.
The technical scheme that adopts is: a kind of high-strength casting titanium manganeseirom, body portion is manganese alloy steel.
The main chemical compositions of this alloy is by mass percentage: Mn is that 20-25%, Al are that 4.0-5.5%, Cu are that 1.5-2.5%, Mo are 1.5-3.0%, V is 0.5-2.0%, Ti is 2.0-3.3%, cr is 1.0-2.5%.Impurity content should be controlled: c≤0.25%, si≤0.20%, Fe≤3.3%, N≤0.05%, H≤0.015%, 0≤0.15%, surplus are Fe.
This alloy can adopt manganese alloy melting common equipments such as medium-frequency induction furnace, vacuum induction electric arc furnace to melt to join, and forming mode adopts casting mould cases such as bath of glass sandbox, resin sandbox, metal mold.
Provide a kind of method for preparing this high strength casting titanium alloy below: adopt the water-cooled medium-frequency induction furnace to melt and join; Alloying Treatment in the electricimpulse stove.
Add each composition in the following order and carry out the shove charge fusing: steel scrap-manganese alloy-aluminium-copper-molybdenum-vanadium-chromium-titanium.
To clean out in the stove, add steel scrap and begin fusing, be under the solid-liquid phase state, add manganese alloy, be melted under the solid-liquid phase state and insert electrical pulse device.Add alloying constituent successively, and use electricimpulse to power up to make its grain refining.
Smelting parameter:
1. electric furnace voltage 380～400V, electric current 370A～400A;
2. electricimpulse voltage 220V, electric current 50A electric current, frequency 50HZ;
8. water coolant hydraulic pressure: 0.4MPa, 19 ℃ of electric furnace water-in water temperatures, water outlet water temperature＜60 ℃.
Pour into a mould behind the alloy melting, left standstill 5 minutes behind the bag before going in the stove, guarantee that composition is even, stable.
Thermal treatment: the thermal treatment process of employing is solid solution+timeliness;
Solid solubility temperature: 700 ℃～880 ℃, soaking time 0.5～2 hour, the type of cooling are air cooling or shrend;
Aging temp: 500 ℃～680 ℃, soaking time 5～22 hours, type of cooling air cooling.
High-rigidity cast titanium manganeseirom of the present invention is through after the suitable thermal treatment, and mechanical property can reach under the room temperature
。This alloy is compared with high-rigidity cast manganese alloy commonly used, can obtain intensity, hardness, plasticity, wear resistance preferably, has good comprehensive mechanical properties, development and the production of manganese alloy wearing piece that can be used as wearing piece such as metallurgy, mine, building materials and the casting manganese alloy is had the every profession and trade field of high rigidity demand.
Embodiment
Embodiment one
A kind of high-strength casting titanium manganeseirom, main chemical compositions is by mass percentage: Mn is 22%, Al is 45%, Cu is 2.0%, Mo is 1.5%, V is 1.0%, Ti is 2.0%, cr is 1.0%.Impurity content should be controlled: c≤0.25%, si≤0.20%, Fe≤3.3%, N≤0.05%, H≤0.015%, 0≤0.15%, surplus are Fe.
Embodiment two
A kind of high-strength casting titanium manganeseirom, main chemical compositions is by mass percentage: Mn is 25%, Al is 5.0%, Cu is 2.0%, Mo is 2.5%, V is 2.0%, Ti is 2.0%, cr is 2.5%.Impurity content should be controlled: c≤0.25%, si≤0.20%, Fe≤3.3%, N≤0.05%, H≤0.015%, 0≤0.15%, surplus are Fe.
Claims (1)
1. high-strength casting titanium manganeseirom, it is characterized in that: Mn is that 20-25%, Al are that 4.0-5.5%, Cu are that 1.5-2.5%, Mo are 1.5-3.0% to the main chemical compositions of this alloy by percentage to the quality, V is 0.5-2.0%, Ti is 2.0-3.3%, cr is 1.0-2.5%, impurity content should be controlled at c≤0.2 5%, si≤0.20%, Fe≤3.3%, N≤0.05%, H≤0.015%, 0≤0.15%, and surplus is Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100547387A CN103290330A (en) | 2012-03-05 | 2012-03-05 | High-hardness casting titanium manganese iron alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100547387A CN103290330A (en) | 2012-03-05 | 2012-03-05 | High-hardness casting titanium manganese iron alloy |
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| CN103290330A true CN103290330A (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100547387A Pending CN103290330A (en) | 2012-03-05 | 2012-03-05 | High-hardness casting titanium manganese iron alloy |
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| CN (1) | CN103290330A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105543707A (en) * | 2016-02-22 | 2016-05-04 | 桐乡市搏腾贸易有限公司 | High-strength food mechanical material and preparation method thereof |
| CN105624533A (en) * | 2016-01-27 | 2016-06-01 | 太仓捷公精密金属材料有限公司 | Manganese-titanium metal material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5896853A (en) * | 1981-11-17 | 1983-06-09 | Sumitomo Metal Ind Ltd | High mn steel for extra-low temperature use with superior corrosion resistance and machinability |
| JPS58197256A (en) * | 1982-05-12 | 1983-11-16 | Kawasaki Steel Corp | High toughness high-mn steel with superior weather and rust resistance |
| CN1068857A (en) * | 1991-10-10 | 1993-02-10 | 株洲市机械工业研究所 | The multicomponent alloy malleablized high-Mn steel |
| CN101423884A (en) * | 2008-12-09 | 2009-05-06 | 徐信 | Method for producing high-manganses wear resistant steel plate and steel plate produced thereby |
| CN101886225A (en) * | 2010-07-07 | 2010-11-17 | 南京信息工程大学 | Corrosion-resistant and abrasion-resistant steel and preparation method thereof |
-
2012
- 2012-03-05 CN CN2012100547387A patent/CN103290330A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5896853A (en) * | 1981-11-17 | 1983-06-09 | Sumitomo Metal Ind Ltd | High mn steel for extra-low temperature use with superior corrosion resistance and machinability |
| JPS58197256A (en) * | 1982-05-12 | 1983-11-16 | Kawasaki Steel Corp | High toughness high-mn steel with superior weather and rust resistance |
| CN1068857A (en) * | 1991-10-10 | 1993-02-10 | 株洲市机械工业研究所 | The multicomponent alloy malleablized high-Mn steel |
| CN101423884A (en) * | 2008-12-09 | 2009-05-06 | 徐信 | Method for producing high-manganses wear resistant steel plate and steel plate produced thereby |
| CN101886225A (en) * | 2010-07-07 | 2010-11-17 | 南京信息工程大学 | Corrosion-resistant and abrasion-resistant steel and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624533A (en) * | 2016-01-27 | 2016-06-01 | 太仓捷公精密金属材料有限公司 | Manganese-titanium metal material |
| CN105543707A (en) * | 2016-02-22 | 2016-05-04 | 桐乡市搏腾贸易有限公司 | High-strength food mechanical material and preparation method thereof |
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Application publication date: 20130911 |