CN101020988A - Antiwear steel and its making process - Google Patents
Antiwear steel and its making process Download PDFInfo
- Publication number
- CN101020988A CN101020988A CN 200710020534 CN200710020534A CN101020988A CN 101020988 A CN101020988 A CN 101020988A CN 200710020534 CN200710020534 CN 200710020534 CN 200710020534 A CN200710020534 A CN 200710020534A CN 101020988 A CN101020988 A CN 101020988A
- Authority
- CN
- China
- Prior art keywords
- matrix alloy
- wear resisting
- carbon
- steel
- composition
- 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
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The present invention provides one kind of antiwear steel with homogeneously distributed TiC grains, high density, high wear resistance and high strength and its preparation process. The antiwear steel consists of base alloy comprising C 0-1.5 wt%, Cr 0.1-30 wt%, Ni 0.1-16 wt%, Mo 0.1-5.0 wt%, Mo+Nb+V 0.1-5.0 wt%, Al 0-2 wt% and Fe for the rest; and TiC grains comprising C 0.2-3.5 wt% and Ti 1.0-15 wt%.
Description
One, technical field
The invention belongs to a kind of steel alloy, particularly a kind of esr carbon titanium strengthens wear resisting steel.
Two, background technology
Prior art: in industries such as metallurgical, machinery, automobile and petrochemical complex, many equipment and component all need good wear resisting property, collars and guide deflection sheave as high-speed rod-rolling mill, cutter in the chemical fibre industry, steam jacket, topworks's part in valve and mining machinery, agricultural machine, engineering machinery and the Transport Machinery.
Because the many high-abrasive materials that are used for these component at present are difficult to satisfy the service requirements of these equipment components, sometimes even cause the unplanned shutdown of total system because of the fault of some component, bring for the ordinary production of enterprise and have a strong impact on, and cause heavy economic losses.The purpose of this invention is to provide the anti-abrasive material that a kind of performance is good, cost is low.The alternative high alloy wear resistant alloy of this material is used for the abrasion piece on Industrial products such as metallurgy, machinery, automobile and petrochemical complex and the equipment, with work-ing life of improving part and reduce its cost.
Three, summary of the invention
The present invention is directed to above-mentioned technical problem, a kind of TiC even particle distribution, density height, wear-resistant, wear resisting steel that intensity increases and preparation method thereof are provided.
Technical solution of the present invention is: a kind of wear resisting steel, component prescription is: the % titanium of the % carbon of 1 mass parts matrix alloy+(0.2-3.5)+(1.0-15), wherein the composition of matrix alloy is: Fe+ (0-1.5) %C+ (0.1-30) %Cr.The composition of matrix alloy also contains (0.1-16) %Ni, (0.1-5.0) %Mo, (0.1-5.0) % (Mo+Nb+V) and (0-2) %Al.A kind of method for preparing above-mentioned wear resisting steel, preparation process be, the prefabricated section of preparation titaniferous and carbon: with granularity is that iron powder, titanium valve and carbon dust between the 100-200 order mixes according to the above ratio, and is compacted into piece; Add the matrix alloy furnace charge at medium-frequency induction furnace, be heated to 1540-1600 ℃, treat that above-mentioned furnace charge melts fully after, the gained prefabricated section is added in the stove, prefabricated section is fused in the furnace charge; Pouring metal melt in the stove is gone in the ready-made in advance model; Steel ingot carries out esr, and electroslag remelting process is: adopt 40～60%CaF
2-20～30%CaO-20～30%MgO slag system, setting voltage 20-30 volt is set electric current 5000-6500 ampere; Electrode diameter/crystallizer diameter=0.6～0.7; Use the steel ingot that one step process makes and be processed into section bar with the thermal deformation method, the temperature of processing is 850-1150 ℃.
This novel material has following performance characteristics: the 1.TiC particle, and strengthen steel with the carbon titanium of esr not and compare, the carbon titanium behind the esr strengthens that the TiC size distribution is more even in the steel, size is littler; 2. ingot quality is good, strengthens steel with the carbon titanium of esr not and compares, and the carbon titanium behind esr strengthens steel density height, does not have loose; 3. wear-resistant, under multiple test conditions, to compare with carbon titanium enhancing steel without esr, the carbon titanium behind the esr strengthens the abrasion resistance properties of steel and will get well; 4. the adjustability of performance promptly can change matrix according to service requirements, forms the material of different performance (intensity, hardness, plasticity and abrasion resistance properties); 5. thermal expansivity is little, and dimensional stability is good; 6. intensity height, at room temperature the intensity that strengthens steel of the carbon titanium behind esr is higher than not that the carbon titanium of esr strengthens steel.This novel material not only can prolong part life significantly, and can significantly reduce cost of parts if substitute the starting material of the at present industrial the most frequently used abrasion piece of being on active service under severe condition.
Four, description of drawings
Fig. 1 is that the carbon titanium of not esr strengthens steel.
Fig. 2 is that esr carbon titanium strengthens steel figure.
Five, embodiment
For the performance characteristics of material that this invention is described, listed the mechanical property of some materials and wear-resistant in each following table:
Listed the composition of two groups of six kinds of alloys in the table 1, first alloy of each group is a matrix alloy, second alloy then is that the carbon titanium under the conventional founding condition strengthens steel, and the 3rd alloy is that the carbon titanium behind the esr strengthens steel, and its content is all within the composition range of this invention regulation.
Listed the mechanical property of these six kinds of alloys in the table 2, as seen from the table, in matrix, added Ti and C after, can make the intensity of alloy obtain by a relatively large margin raising, through behind the esr, the intensity of alloy is further improved, to adapt to different service requirementss.This is crucial for wearing parts, because the wearing parts that is used under the different condition often needs different hardness, intensity or other performance index.
Listed the abrasion loss of these measured on the M200 wear testing machine six kinds of alloys in the table 3.Test conditions is: 1. friction pair adopts the GCr15 steel, 2. oil lubrication, and 3. linear velocity 0.94m/s, 4. test period is 20 minutes, 5. load 150N.Abrasion loss descends significantly after having added Ti and C as seen from the table in matrix steel, and promptly abrasion resistance properties is greatly improved, but behind esr, the abrasion resistance properties of alloy is further improved.
The chemical ingredients of the typical material of several alloys of table 1 (wt%)
| Alloy number | C | Cr | Ni | Mo | Al | S | P | Fe | Ti |
| 1 1 # 1 ## 2 2 # 2 ## | 0.2 0.73 0.73 0.10 0.75 0.75 | 13.0 13.0 13.0 18.0 18.0 18.0 | - - - 9.0 9.0 9.0 | - - - - - - | - - - - - - | ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 | ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 ≤0.035 | Surplus surplus surplus surplus surplus surplus | - 2.5 2.5 - 3.0 3.0 |
The room-temperature mechanical property of several typical materials of table 2
| Alloy number | Tensile strength MPa | Yield strength MPa | Unit elongation % |
| 1 1 # 1 ## 2 2 # 2 ## | 820.1 936.4 952.4 705.0 755.0 770.8 | 710.1 749.9 794.5 324.3 415.2 447.3 | 19.7 15.2 16.4 48.5 22.3 25.8 |
Wear volume (the mm of several typical materials of table 3 behind wearing and tearing 20min under the 150N load
3)
| Alloy number | Heat treatment state |
| 1 1 # 1 ## 2 2 # 2 ## | 5.37 1.34 0.87 3.21 1.65 1.05 |
Per-cent is mass percent among the embodiment.
Embodiment 1: certain Bearing Factory used in the past be 40Cr (Fe+0.40%C+1.O%Cr) steel as material, axle sleeve, the axle sleeve life-span is 50000 times.Behind forging attitude carbon titanium enhancing 40Cr (Fe+1.05%C+1.0%Cr+3%Ti) bearing housing of employing without esr, the life-span of axle sleeve has prolonged 10 times, but after the forging attitude carbon titanium that adopts esr of the present invention strengthened 40Cr (Fe+1.05%C+1.0%Cr+3%Ti) bearing housing, the life-span of axle sleeve had prolonged 25 times.
Embodiment 2: certain cutting tool factory was used for the cutter of chemical fibre industry cutting resin in the past with the preparation of cobalt-base alloy bead-welding technology.The cost of cutter is very high.Adopt the same cutter of material of the present invention (Fe+0.73%C+13%Cr+2.5%Ti) preparation, not only cost reduces significantly, and also significantly improve the work-ing life of cutter.Strengthen steel without the carbon titanium of esr and since the TiC size distribution be not very even, particle size is big and the steel ingot density is relatively poor, the cutter sword that very easily jumps.This has caused its work-ing life very short, and strengthens the steel sword phenomenon that do not jump through the carbon titanium behind the electroslag, and the life-span also significantly improves.
Embodiment 3: a kind of wear resisting steel is characterized in that component prescription is: the titanium of the carbon of 1 mass parts matrix alloy+1.2% matrix alloy quality+5% matrix alloy quality, and wherein matrix alloy is 100kg, its composition is: 0.3%C+13%Cr, surplus is Fe.The prefabricated section of preparation titaniferous and carbon: with granularity is that 150 purpose iron powders, titanium valve and carbon dust mix according to the above ratio, and is compacted into piece; Add the matrix alloy furnace charge at medium-frequency induction furnace, be heated to 1590 ℃, treat that above-mentioned furnace charge melts fully after, the gained prefabricated section is added in the stove, prefabricated section is fused in the furnace charge; Pouring metal melt in the stove is gone in the ready-made in advance model; Steel ingot carries out esr, and electroslag remelting process is: adopt 50%CaF
2-25%CaO-25%MgO slag system, 15 volts of setting voltages are set 6000 amperes in electric current; Electrode diameter/crystallizer diameter=0.65; Use the steel ingot that one step process makes and be processed into section bar with the thermal deformation method, the temperature of processing is 1000 ℃.
Embodiment 4: a kind of wear resisting steel, it is characterized in that component prescription is: the titanium of the carbon of 1 mass parts matrix alloy+0.4% matrix alloy quality+2.0% matrix alloy quality, wherein matrix alloy is 100kg, its composition is: 0.007%C+15%Cr+7.0%Ni+2.2%Mo+1.0%Al, surplus is Fe.The prefabricated section of preparation titaniferous and carbon: with granularity be iron powder, titanium valve and carbon dust between 100 orders by above-mentioned mixed, and be compacted into piece; Add the matrix alloy furnace charge at medium-frequency induction furnace, be heated to 1600 ℃, treat that above-mentioned furnace charge melts fully after, the gained prefabricated section is added in the stove, prefabricated section is fused in the furnace charge; Pouring metal melt in the stove is gone in the ready-made in advance model; Steel ingot carries out esr, and electroslag remelting process is: adopt 40%CaF
2-30%CaO-30%MgO slag system, 20 volts of setting voltages are set 6500 amperes in electric current; Electrode diameter/crystallizer diameter=0.6; Use the steel ingot that one step process makes and be processed into section bar with the thermal deformation method, the temperature of processing is 1150 ℃.
Embodiment 5: a kind of wear resisting steel, it is characterized in that component prescription is: the titanium of the carbon of 1 mass parts matrix alloy+1.7% matrix alloy quality+7% matrix alloy quality, wherein matrix alloy is 100kg, and its composition is: 0.1%C+18%Cr+9%Ni, surplus is Fe.The prefabricated section of preparation titaniferous and carbon: with granularity be iron powder, titanium valve and carbon dust between 200 orders by the mixed of claim 1, and be compacted into piece; Add the matrix alloy furnace charge at medium-frequency induction furnace, be heated to 1540 ℃, treat that above-mentioned furnace charge melts fully after, the gained prefabricated section is added in the stove, prefabricated section is fused in the furnace charge; Pouring metal melt in the stove is gone in the ready-made in advance model; Steel ingot carries out esr, and electroslag remelting process is: adopt 60%CaF
2-20%CaO-20%MgO slag system, 30 volts of setting voltages are set 5000 amperes in electric current; Electrode diameter/crystallizer diameter=0.7; Use the steel ingot that one step process makes and be processed into section bar with the thermal deformation method, the temperature of processing is 850 ℃.
Claims (5)
1. wear resisting steel is characterized in that component prescription is: the % titanium of the % carbon of 1 mass parts matrix alloy+(0.2-3.5)+(1.0-15), wherein the composition of matrix alloy is: Fe+ (0-1.5) %C+ (0.1-30) %Cr.
2. wear resisting steel according to claim 1, the %Ni that it is characterized in that the composition of matrix alloy also contains (0.1-16).
3. wear resisting steel according to claim 2 is characterized in that the composition of matrix alloy also has (0.1-5.0) %Mo.
4. wear resisting steel according to claim 2, the composition that it is characterized in that matrix alloy also have (0.1-5.0) % (Mo+Nb+V) and (0-2) %Al.
5. method for preparing claim 1 wear resisting steel is characterized in that preparation process is:
A. the prefabricated section for preparing titaniferous and carbon: with granularity is that iron powder, titanium valve and carbon dust between the 100-200 order mixes according to the above ratio, and is compacted into piece;
B. add the matrix alloy furnace charge at medium-frequency induction furnace, be heated to 1540-1600 ℃, treat that above-mentioned furnace charge melts fully after, step a gained prefabricated section is added in the stove, prefabricated section is fused in the furnace charge;
C. the pouring metal melt in the stove is gone in the ready-made in advance model;
D. steel ingot carries out esr, and electroslag remelting process is: adopt 40～60%CaF
2-20～30%CaO-20～30%MgO slag system, setting voltage 20-30 volt is set electric current 5000-6500 ampere; Electrode diameter/crystallizer diameter=0.6～0.7;
E. use the steel ingot that one step process makes and be processed into section bar with the thermal deformation method, the temperature of processing is 850-1150 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710020534 CN101020988A (en) | 2007-03-09 | 2007-03-09 | Antiwear steel and its making process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710020534 CN101020988A (en) | 2007-03-09 | 2007-03-09 | Antiwear steel and its making process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101020988A true CN101020988A (en) | 2007-08-22 |
Family
ID=38708866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710020534 Pending CN101020988A (en) | 2007-03-09 | 2007-03-09 | Antiwear steel and its making process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101020988A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792889A (en) * | 2010-03-30 | 2010-08-04 | 莱芜钢铁集团有限公司 | Medium-carbon multi-alloying wear-resistant hot rolling round steel and production method thereof |
| CN102181791A (en) * | 2011-03-28 | 2011-09-14 | 东南大学 | In-situ TiC dispersion-strengthened austenitic heat-resistant steel and preparation method thereof |
| CN102277533A (en) * | 2011-07-26 | 2011-12-14 | 吉林大学 | In-situ nano TiC ceramic particle reinforced iron matrix composite material and preparation method thereof |
-
2007
- 2007-03-09 CN CN 200710020534 patent/CN101020988A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101792889A (en) * | 2010-03-30 | 2010-08-04 | 莱芜钢铁集团有限公司 | Medium-carbon multi-alloying wear-resistant hot rolling round steel and production method thereof |
| CN101792889B (en) * | 2010-03-30 | 2011-07-20 | 莱芜钢铁集团有限公司 | Medium-carbon multi-alloying wear-resistant hot rolling round steel and production method thereof |
| CN102181791A (en) * | 2011-03-28 | 2011-09-14 | 东南大学 | In-situ TiC dispersion-strengthened austenitic heat-resistant steel and preparation method thereof |
| CN102277533A (en) * | 2011-07-26 | 2011-12-14 | 吉林大学 | In-situ nano TiC ceramic particle reinforced iron matrix composite material and preparation method thereof |
| CN102277533B (en) * | 2011-07-26 | 2013-01-09 | 吉林大学 | In-situ nano TiC ceramic particle reinforced iron matrix composite material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR820002180B1 (en) | Powder-metallurgy steel article with high vanadium-carbide content | |
| CN110172641B (en) | Fine-grain high-toughness hot-work die steel and preparation method thereof | |
| CN102703816B (en) | High-carbon low-alloy wear-resistant ball steel and production process thereof | |
| CN102766817B (en) | Semi-high speed steel shear steel | |
| CN110129678B (en) | Economical fine-grain high-toughness hot-work die steel and preparation method thereof | |
| CN106834959B (en) | The production method of high hardness wear-resisting ball material steel | |
| CN1103830C (en) | Solid self-lubricating wear-resisting alloy cast material | |
| CN106191642B (en) | A kind of impact breaker high-chromium alloy wearable liner and preparation method thereof | |
| CN100423862C (en) | Steel pipe-straightening roller for casting high chromium iron or high chrome steel | |
| CN1876880A (en) | Cold-work die steel for high speed stamping | |
| CN101440462A (en) | Economical long service life material for mechanical press forging die and manufacturing method thereof | |
| CN105112790A (en) | High-strength wear-resistant spheroidal-graphit cast steel and preparation method thereof | |
| CN106702252B (en) | A kind of heat resistant and wear resistant alloy steel material and preparation method | |
| CN102181791A (en) | In-situ TiC dispersion-strengthened austenitic heat-resistant steel and preparation method thereof | |
| CN114032464B (en) | High-performance shearing blade for wide and thick plates and manufacturing method thereof | |
| CN111378909A (en) | High-toughness high manganese steel lining plate and production process thereof | |
| CN101020988A (en) | Antiwear steel and its making process | |
| CN103361563A (en) | Free-cutting high-hardness austenite nonmagnetic die steel and manufacturing method thereof | |
| CN105177436A (en) | High-strength, high-tenacity and high-wear-resistance alloy liner plate | |
| CN107130176A (en) | A kind of novel high speed Steel material and its preparation technology | |
| CN111778446A (en) | Mo-containing high-chromium wear-resistant alloy material and preparation method thereof | |
| CN101787494A (en) | Dispersed particle-strengthened medium manganese steel and preparation method thereof | |
| CN105618210A (en) | Alloy lining plate of ball mill for desulfuration of power station | |
| CN105349896A (en) | Low-alloy excavator bucket tooth and preparation method thereof | |
| CN1187466C (en) | Production process of wear-resisting alloy steel cutting ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |