CN104911504B - High-strength high-wear-resistance steel casting for super-huge type crusher and production process of steel casting - Google Patents
High-strength high-wear-resistance steel casting for super-huge type crusher and production process of steel casting Download PDFInfo
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Abstract
The invention discloses a high-strength high-wear-resistance steel casting for a super-huge type crusher. The high-strength high-wear-resistance steel casting is characterized by comprising the following chemical components in percentage by weight: 1.31%-1.40% of C, 0.50%-0.90% of Si, 17.5%-19.0% of Mn, P is less than or equal to 0.040, S is less than or equal to 0.020, 1.00%-1.40% of Cr, Ni is less than or equal to 0.60, Mo is less than or equal to 0.50, 0.005%-0.010% of B, 0.08%-0.12% of Al, 0.10%-0.18% of Ti, 0.05%-0.09% of La, 0.05%-0.10% of Ce, 0.05%-0.10% of V and the balance of Fe and unavoidable trace impurities. The invention further discloses a process for producing the high-strength high-wear-resistance steel casting. The high-strength high-wear-resistance steel casting is relatively good in tenacity and wear resistance, long in service life and applicable to the super-huge type crusher.
Description
Technical field
The present invention relates to a kind of steel-casting and its production technology, specifically a kind of high-strength for super-huge disintegrating machine
Spend high Wear Resistant Cast Steel and its production technology.
Background technology
Disintegrating machine is widely used in numerous department such as mine, smelting, building materials, highway, railway, water conservancy and chemical industry.
Steel-casting is the important component part in disintegrating machine., the effect of liner plate is protection cylinder, makes cylinder taking liner plate as a example
Directly by direct impact and the abrasion of abrasive body and material, it can also adjust abrasive body using its different operating surface
Working condition, to strengthen the fragmentation to material for the grinding day, improves grinding efficiency, increases yield, reduces medium and liner plate
Loss.Super-huge disintegrating machine build is larger, and it needs the liner plate more general disintegrating machine volume using bigger, impact that it is subject to and
Friction is also bigger, and the requirement to liner plate and its production technology is also more harsh.Domestic existing liner plate typically adopts Mn13 and conjunction
Golden Steel material, but this kind of material is used for producing the liner plate on super-huge disintegrating machine, easily cracking, its performance and used life
Also not ideal enough.Because super-huge disintegrating machine is commonly used for carrying out the operation of open air under varying environment it is therefore desirable to its liner plate is fitted
Should be operated under various different operating modes, wherein under the operating mode of low temperature, liner plate is easily changed into fragility by ductile states
State, its impact absorbing energy is decreased obviously, and leads to the impact toughness decreased of liner plate, cracky, thus affecting super-huge disintegrating machine
Work.Accordingly, it would be desirable to a kind of for super-huge disintegrating machine using the high wear-resistant steel-casting of high intensity meet commercial production
Demand.
Content of the invention
The invention provides a kind of high Wear Resistant Cast Steel of the high intensity for super-huge disintegrating machine and its production technology, its mesh
Be that the steel-casting solving super-huge disintegrating machine is easy to crack, under worst cold case the problems such as poor impact toughness.
A kind of high Wear Resistant Cast Steel of the high intensity for super-huge disintegrating machine is it is characterised in that this steel-casting chemical composition
Percentage by weight be：C 1.31～1.40, Si 0.50～0.90, Mn 17.5～19.0, P≤0.040, S≤0.020,
Cr 1.00～1.40, Ni≤0.60, Mo≤0.50, B 0.005～0.010, Al 0.08～0.12, Ti 0.10～0.18,
La 0.05～0.09, Ce 0.05～0.10, V 0.05～0.10, remaining is Fe and inevitable trace impurity.
Further, described steel-casting is liner plate.
A kind of production technology of the high Wear Resistant Cast Steel of the high intensity for super-huge disintegrating machine, its step is as follows：
（1）Melted by heating by electric cooker after steel cuttings, the low-carbon (LC) punching briquetting of rustless stain and chromic carbide iron are mixed, formed molten
Melt the molten steel of state；
（2）Molten steel after melting is added in AOD refining furnace and carries out refine；
（3）Ferrosilicon and electrolytic manganese is added to carry out melting in the molten steel after refine；
（4）The foundry returns adding the same trade mark after rust cleaning carries out melting, and after molten steel melting, sampling spectrogrph does
Chemical bath deposition；
（5）For the result after Chemical bath deposition, alloy composition fine setting is carried out to molten steel；The alloy baking being added is extremely
180～220 DEG C add；
（6）After adjusting component is qualified, cut off furnace power, add deslagging agent to be removed the gred to liquid steel level free from admixture,
Closure furnace power；
（7）Furnace temperature is risen to after 1450～1500 DEG C, is initially charged fine aluminium deoxidation and carries out first step deoxidation, then add
The double deoxidizer of siliceous, calcium, barium and aluminum carries out second step deoxidation；After electric furnace carries out electromagnetic agitation 4～5 minutes, insertion is fixed
Oxygen instrument probe, in measurement molten steel, whether oxygen content PPM value, in setting, comes out of the stove after the assay was approved；
（8）By ladle baking to 900～1000 DEG C, inclusion is aglow；
（9）It is 5mm particles below that ferrotianium, ferro-boron, nickel plate, molybdenum-iron, vanadium iron and mixed rare earth of lanthanum and cerium are broken into granularity,
And dried with not higher than 200 DEG C of temperature, it is placed in ladle bottom after drying, then calcium, silicon, manganese double deoxidizer are placed in ladle
Bottom, is processed with pouring method in bag molten steel being carried out with compound modification treatment and final deoxidizing；
（10）Access argon gas pipeline in ladle bottom, carry out ladle argon-blown, Argon pressure >=0.1MPa, argon blowing time >=5
Minute；
（11）With industrial air heater, sand mold is toasted, use sand casting steel-casting, pouring temperature is 1430～1450 DEG C；
（12）After cast 1h, remove foundary weight；Sandbox is unpacked after being incubated 3 days, and air cooling steel-casting to less than 300 DEG C, cut by machinery
Cut dead head, cleaning undesirable root, overlap, burr etc.；
（13）Steel-casting is quenched at 900～1050 DEG C, is incubated 5～7h, hardening immediately after coming out of the stove, hardening time interval
Less than 90s, it is again heated to 200～250 DEG C of tempering, is incubated 3～8h, stove carries out air cooling after being cooled to less than 150 DEG C.
The present invention is a kind of high Wear Resistant Cast Steel of high intensity it is adaptable to have preferable toughness and resistance in super-huge disintegrating machine
Mill property, the service life of described steel-casting is 2 to 3 times of existing steel-casting, can extend steel-casting usage cycles, reduces replacing time
Number, substantially reduces cost, meanwhile, it is capable to improve the work efficiency of super-huge disintegrating machine.
In the steel-casting of the present invention, manganese content is much higher than traditional steel-casting, improves the stability of austenite, stops
The precipitation of carbide, and then intensity and the plasticity of steel-casting can be improved, improve its work hardening capacity and wearability.The present invention's
Except being added with the elements such as appropriate Si, Cr, B, Al, La, Ce in steel-casting, it is also added into tetra- kinds of gold of a small amount of Ti, Ni, Mo, V
Belong to element.The effect that wherein Ti has crystal grain thinning and improves mechanical property；Ni can suppress carbon precipitation from austenite, reduces brilliant
Boundary Carbide Precipitation tendency, substantially reduces intergranular carbide quantity, and can improve the cryogenic mechanics performance of steel-casting, also has
It is improved the ability of the antioxygenic property of product；Mo can suppress cementite to assemble effectively, and the carbide of Mo is with superfine little chi
Very little Dispersed precipitate, in austenite, by dispersion-strengthened action, strengthens austenite structure, so that the intensity of steel-casting and hardness is increased
Plus, strain-hardening performance enhancement, thus improving abrasion-resistance, and can suppress the sucking-off of acicular carbide in austenite；And V is in steel
In by formed carbonitride containing V, in austenite grain boundary Precipitation, the length recrystallizing and stoping crystal grain of austenite can be suppressed
Greatly, thus playing crystal grain thinning such that it is able to improve the impact flexibility of steel-casting under worst cold case further.Ti, Ni, Mo, V tetra-
The consumption planting metallic element is few, to ensure to produce high performance product under relatively low production cost.
In order to produce the high Wear Resistant Cast Steel of above-mentioned high intensity, present invention also offers the production technology after a kind of improvement, adopt
The larger steel-casting of build can be produced with this production technology it is ensured that it is used for thering is good mechanics in super-huge disintegrating machine
Performance and longer service life, not easy to crack, this production technology, compared with traditional steel casting production technology, has following excellent
Point：（1）Using steel cuttings, the low-carbon (LC) punching briquetting of rustless stain and with the trade mark foundry returns as raw material, ensureing product quality
On the premise of greatly reduce production cost, rationally make use of waste resource, energy-conserving and environment-protective.During melting, first by raw materials such as steel cuttings
The foundry returns of bulk is added after changing clearly, so that foundry returns is quickly melted in molten steel, thus improve production efficiency.
（2）Refine being carried out to molten steel using AOD refining furnace, so that the impurity such as P, S in firm water is reduced, thus lifting Molten Steel Cleanliness.（3）Enter
Row stokehold fast component is analyzed and Determination of octafluoropropane content, up to standard in the molten steel come out of the stove, the performance to ensure product.（4）To ladle
Bottom carries out Argon, impurity is taken out of with argon rolling, so that molten steel is purer.（5）Carry out three deoxidation treatment, make molten steel
Fully deoxidation, thus improving product performance.（6）After cast 1 hour, remove foundary weight, to prevent the generation of crackle, reduce and shrink resistance
Power.（7）Replacing ferromanganese to add in molten steel using electrolytic manganese, to improve the purity of manganese, thus lifting the mechanical property of steel-casting, making
Can be preferably applied in super-huge disintegrating machine.（8）Melted alloy material needs heat, and argon heat absorption during Argon, therefore
Ladle needs to first pass through high-temperature baking, makes inclusion aglow, to ensure liquid steel temperature abundant enough, so that molten steel is had and suitably pours
Note temperature.（9）Before cast, with industrial air heater, sand mold is toasted, so as not to the sand mold moisture absorption and the product air holes that lead to are many, thus greatly
Reduce greatly defect rate.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be further elaborated.
Embodiment one
For the production technology of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine, its step is as follows：
（1）Using the intermediate frequency furnace melting with neutral sand furnace lining, by steel cuttings, the low-carbon (LC) punching briquetting of rustless stain and chromic carbide iron
Melted by intermediate frequency heating after mixing, form the molten steel of molten condition.
（2）Molten steel after melting is added in AOD refining furnace and carries out refine.
（3）Ferrosilicon and electrolytic manganese is added to carry out melting in the molten steel after refine.
（4）The foundry returns adding the same trade mark after rust cleaning carries out melting, and after molten steel melting, sampling spectrogrph does
Chemical bath deposition.
（5）For the result after Chemical bath deposition, alloy composition fine setting is carried out to molten steel；The alloy baking being added is extremely
200 DEG C add.
（6）After adjusting component is qualified, cut off intermediate frequency furnace power supply, add deslagging agent to be removed the gred to liquid steel level free from admixture
Afterwards, close intermediate frequency furnace power supply.
（7）Intermediate frequency furnace temperature is risen to after 1500 DEG C, is initially charged fine aluminium deoxidation and carries out first step deoxidation, then add and contain
The double deoxidizer of silicon, calcium, barium and aluminum carries out second step deoxidation；After intermediate frequency furnace carries out electromagnetic agitation 4 minutes, insert apparatus for determination of oxygen
Probe, oxygen content in measurement molten steel, oxygen content is come out of the stove after being less than 8ppm.
（8）By ladle baking to 900 DEG C, inclusion is aglow.
（9）It is 5mm particles below that ferrotianium, ferro-boron, nickel plate, molybdenum-iron, vanadium iron and mixed rare earth of lanthanum and cerium are broken into granularity,
It is easy to dry and melts, and dried with 150 DEG C, be placed in ladle bottom after drying, then calcium, silicon, manganese double deoxidizer are placed in steel
Bag bottom, is processed with pouring method in bag molten steel being carried out with compound modification treatment and final deoxidizing.
（10）Access argon gas pipeline in ladle bottom, carry out ladle argon-blown, blow 10 minutes with the argon of pressure >=0.1MPa.
（11）With industrial air heater, sand mold is toasted, use sand casting steel-casting, pouring temperature is 1433 DEG C.
（12）After cast 1h, remove foundary weight；Sandbox is unpacked after being incubated 3 days, and air cooling steel-casting to less than 300 DEG C, cut by machinery
Cut dead head, cleaning undesirable root, overlap, burr etc..
（13）Steel-casting is quenched at 1000 DEG C, is incubated 7h, hardening immediately after coming out of the stove, and hardening time interval is 60s, then
It is heated to 200 DEG C of tempering, is incubated 3h, stove carries out air cooling after being cooled to less than 150 DEG C.
The chemical composition of the steel-casting being obtained by above-mentioned production technology such as following table（Table 1）Shown：
Table 1 is used for the chemical composition analysis table of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine
Obtain the mechanical property such as following table of this steel-casting by test（Table 2）Shown：
Table 2 is used for the Mechanics Performance Testing table of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine
| Tensile strength（MPa） | Yield strength（MPa） | Impact flexibility（J/cm2） | Hardness（HBS） |
| 1651 | 927 | 83 | 350 |
Embodiment two
For the production technology of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine, its step is as follows：
（1）Using the intermediate frequency furnace melting with neutral sand furnace lining, by steel cuttings, the low-carbon (LC) punching briquetting of rustless stain and chromic carbide iron
Melted by intermediate frequency heating after mixing, form the molten steel of molten condition.
（2）Molten steel after melting is added in AOD refining furnace and carries out refine.
（3）Ferrosilicon and electrolytic manganese is added to carry out melting in the molten steel after refine.
（4）The foundry returns adding the same trade mark after rust cleaning carries out melting, and after molten steel melting, sampling spectrogrph does
Chemical bath deposition.
（5）For the result after Chemical bath deposition, alloy composition fine setting is carried out to molten steel；The alloy baking being added is extremely
200 DEG C add.
（6）After adjusting component is qualified, cut off intermediate frequency furnace power supply, add deslagging agent to be removed the gred to liquid steel level free from admixture
Afterwards, close intermediate frequency furnace power supply.
（7）Intermediate frequency furnace temperature is risen to after 1450 DEG C, is initially charged fine aluminium deoxidation and carries out first step deoxidation, then add and contain
The double deoxidizer of silicon, calcium, barium and aluminum carries out second step deoxidation；After intermediate frequency furnace carries out electromagnetic agitation 4 minutes, insert apparatus for determination of oxygen
Probe, oxygen content in measurement molten steel, oxygen content is come out of the stove after being less than 8ppm.
（8）By ladle baking to 950 DEG C, inclusion is aglow.
（9）It is 5mm particles below that ferrotianium, ferro-boron, nickel plate, molybdenum-iron, vanadium iron and mixed rare earth of lanthanum and cerium are broken into granularity,
It is easy to dry and melts, and dried with 150 DEG C, be placed in ladle bottom after drying, then calcium, silicon, manganese double deoxidizer are placed in steel
Bag bottom, is processed with pouring method in bag molten steel being carried out with compound modification treatment and final deoxidizing.
（10）Access argon gas pipeline in ladle bottom, carry out ladle argon-blown, blow 10 minutes with the argon of pressure >=0.1MPa.
（11）With industrial air heater, sand mold is toasted, use sand casting steel-casting, pouring temperature is 1438 DEG C.
（12）After cast 1h, remove foundary weight；Sandbox is unpacked after being incubated 3 days, and air cooling steel-casting to less than 300 DEG C, cut by machinery
Cut dead head, cleaning undesirable root, overlap, burr etc..
（13）Steel-casting is quenched at 1050 DEG C, is incubated 5h, hardening immediately after coming out of the stove, and hardening time interval is 60s, then
It is heated to 225 DEG C of tempering, is incubated 4h, stove carries out air cooling after being cooled to less than 150 DEG C.
The chemical composition of the steel-casting being obtained by above-mentioned production technology such as following table（Table 3）Shown：
Table 3 is used for the chemical composition analysis table of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine
Obtain the mechanical property such as following table of this steel-casting by test（Table 4）Shown：
Table 4 is used for the Mechanics Performance Testing table of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine
| Tensile strength（MPa） | Yield strength（MPa） | Impact flexibility（J/cm2） | Hardness（HBS） |
| 1589 | 910 | 73 | 349 |
Embodiment three
For the production technology of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine, its step is as follows：
（1）Using the intermediate frequency furnace melting with neutral sand furnace lining, by steel cuttings, the low-carbon (LC) punching briquetting of rustless stain and chromic carbide iron
Melted by intermediate frequency heating after mixing, form the molten steel of molten condition.
（2）Molten steel after melting is added in AOD refining furnace and carries out refine.
（3）Ferrosilicon and electrolytic manganese is added to carry out melting in the molten steel after refine.
（4）The foundry returns adding the same trade mark after rust cleaning carries out melting, and after molten steel melting, sampling spectrogrph does
Chemical bath deposition.
（5）For the result after Chemical bath deposition, alloy composition fine setting is carried out to molten steel；The alloy baking being added is extremely
200 DEG C add.
（6）After adjusting component is qualified, cut off intermediate frequency furnace power supply, add deslagging agent to be removed the gred to liquid steel level free from admixture
Afterwards, close intermediate frequency furnace power supply.
（7）Intermediate frequency furnace temperature is risen to after 1450 DEG C, is initially charged fine aluminium deoxidation and carries out first step deoxidation, then add and contain
The double deoxidizer of silicon, calcium, barium and aluminum carries out second step deoxidation；After intermediate frequency furnace carries out electromagnetic agitation 4 minutes, insert apparatus for determination of oxygen
Probe, oxygen content in measurement molten steel, oxygen content is come out of the stove after being less than 8ppm.
（8）By ladle baking to 950 DEG C, inclusion is aglow.
（9）It is 5mm particles below that ferrotianium, ferro-boron, nickel plate, molybdenum-iron, vanadium iron and mixed rare earth of lanthanum and cerium are broken into granularity,
It is easy to dry and melts, and dried with 150 DEG C, be placed in ladle bottom after drying, then calcium, silicon, manganese double deoxidizer are placed in steel
Bag bottom, is processed with pouring method in bag molten steel being carried out with compound modification treatment and final deoxidizing.
（10）Access argon gas pipeline in ladle bottom, carry out ladle argon-blown, blow 10 minutes with the argon of pressure >=0.1MPa.
（11）With industrial air heater, sand mold is toasted, use sand casting steel-casting, pouring temperature is 1440 DEG C.
（12）After cast 1h, remove foundary weight；Sandbox is unpacked after being incubated 3 days, and air cooling steel-casting to less than 300 DEG C, cut by machinery
Cut dead head, cleaning undesirable root, overlap, burr etc..
（13）Steel-casting is quenched at 1050 DEG C, is incubated 5h, hardening immediately after coming out of the stove, and hardening time interval is 60s, then
It is heated to 225 DEG C of tempering, is incubated 4h, stove carries out air cooling after being cooled to less than 150 DEG C.
The chemical composition of the steel-casting being obtained by above-mentioned production technology such as following table（Table 5）Shown：
Table 5 is used for the chemical composition analysis table of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine
Obtain the mechanical property such as following table of this steel-casting by test（Table 6）Shown：
Table 6 is used for the Mechanics Performance Testing table of the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine
| Tensile strength（MPa） | Yield strength（MPa） | Impact flexibility（J/cm2） | Hardness（HBS） |
| 1604 | 925 | 88 | 350 |
The data of mechanical of comprehensive three embodiments understands, by the chemical composition of steel-casting and produce work
So as to have preferable tensile strength, yield strength, impact flexibility and hardness, especially, tensile strength is up to 1589 for the improvement of skill
So as to not easy to crack, hardness reaches 349～350HBS to～1651MPa, makes steel-casting have good wearability.
In addition, carrying out using test to the described steel-casting of the present invention, respectively by the one-tenth using the present invention taking liner plate as a example
Point and production technology produce liner plate and conventional straps be installed on same model super-huge gyratory crusher enterprising exercise use, knot
Fruit shows, the liner plate of the present invention can use and reach more than 600 hours.And the service life of conventional straps is 200～300 hours.
Illustrate compared with conventional straps, heretofore described liner plate has longer service life.Using liner plate of the present invention, can extend
Liner plate usage cycles, reduce and change number of times, substantially reduce cost.
Above are only the specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, all utilize this
Design carries out the change of unsubstantiality to the present invention, all should belong to the behavior invading the scope of the present invention.
Claims (5)
1. it is used for the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine it is characterised in that the weight of this steel-casting chemical composition
Percentage ratio is：C1.35, Si0.88, Mn18.1, P0.035, S0.012, Cr1.35, Ni0.44, Mo0.38, B0.008,
Al0.08, Ti0.17, La0.08, Ce0.07, V0.07, remaining is Fe and inevitable trace impurity.
2. be used for as claimed in claim 1 the high Wear Resistant Cast Steel of high intensity of super-huge disintegrating machine it is characterised in that：Described casting
Steel part is liner plate.
3. the production technology of the high Wear Resistant Cast Steel of the high intensity described in a kind of claim 1, its step is as follows：
（1）Melted by heating by electric cooker after steel cuttings, the low-carbon (LC) punching briquetting of rustless stain and chromic carbide iron are mixed, form molten
The molten steel of state；
（2）Molten steel after melting is added in AOD refining furnace and carries out refine；
（3）Ferrosilicon and electrolytic manganese is added to carry out melting in the molten steel after refine；
（4）The foundry returns adding the same trade mark after rust cleaning carries out melting, and after molten steel melting, sampling spectrogrph does chemistry
Analysis of components；
（5）For the result after Chemical bath deposition, alloy composition fine setting is carried out to molten steel；The alloy material being added is baked to
200 DEG C add；
（6）After adjusting component is qualified, cut off furnace power, add deslagging agent to be removed the gred to liquid steel level free from admixture, closure
Furnace power；
（7）Furnace temperature is risen to after 1450 DEG C, carries out two step deoxidations；After electric furnace carries out electromagnetic agitation 4 minutes, oxygen is determined in insertion
Instrument probe, in measurement molten steel, oxygen content is come out of the stove after being less than 8ppm；
（8）By ladle baking to 950 DEG C, inclusion is aglow；
（9）It is 5mm particles below that ferrotianium, ferro-boron, nickel plate, molybdenum-iron, vanadium iron and mixed rare earth of lanthanum and cerium are broken into granularity, is used in combination
150 DEG C of temperature is dried, and is placed in ladle bottom, then calcium, silicon, manganese double deoxidizer are placed in Ladle Bottom after drying, with punching in bag
Enter method and molten steel is carried out with compound modification treatment and final deoxidizing process；
（10）Access argon gas pipeline in ladle bottom, carry out ladle argon-blown, Argon pressure >=0.1MPa, argon blowing time 10 minutes；
（11）Use sand casting steel-casting, pouring temperature is 1440 DEG C；
（12）After cast 1h, remove foundary weight；Sandbox is unpacked after being incubated 3 days, and air cooling steel-casting to less than 300 DEG C, pour by machine cuts
Rising head, cleaning undesirable root, overlap, burr；
（13）Steel-casting is quenched at 1050 DEG C, is incubated 5h, hardening immediately after coming out of the stove, and hardening time interval is 60s, then heats
It is tempered to 225 DEG C, is incubated 4h, stove carries out air cooling after being cooled to less than 150 DEG C.
4. the high Wear Resistant Cast Steel of high intensity as claimed in claim 3 production technology it is characterised in that：Step（7）Described in
The step of two step deoxidations is to be initially charged fine aluminium deoxidation and carry out first step deoxidation, then adds siliceous, calcium, barium and the compound of aluminum to take off
Oxygen agent carries out second step deoxidation.
5. the high Wear Resistant Cast Steel of high intensity as claimed in claim 3 production technology it is characterised in that：Step（11）Middle sand mold
First with industrial air heater, sand mold is toasted before casting steel-casting.
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| CN105543706B (en) * | 2016-01-25 | 2017-08-25 | 山西中条山机电设备有限公司 | A kind of high-strength and high-ductility abrasion-resistant cast steel material and preparation method thereof |
| CN105838848B (en) * | 2016-04-06 | 2017-12-29 | 广东省材料与加工研究所 | A kind of preparation method of potassium steel |
| WO2018018389A1 (en) * | 2016-07-25 | 2018-02-01 | 顾湘 | High-strength microalloyed rare-earth cast steel |
| CN110883317A (en) * | 2019-11-25 | 2020-03-17 | 衡阳市鑫诚和重型机械设备制造有限公司 | Casting process of reinforced steel plate of hopper of mine dump truck |
| CN113278883A (en) * | 2021-04-28 | 2021-08-20 | 张选 | Rare earth wear-resistant ultrahigh manganese steel for toothed plate of double-toothed roller screening coal crusher and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR970001324B1 (en) * | 1994-03-25 | 1997-02-05 | 김만제 | Hot rolling method of high mn steel |
| JP3589797B2 (en) * | 1996-06-21 | 2004-11-17 | 株式会社神戸製鋼所 | Wear resistant high Mn cast steel |
| CN101736200B (en) * | 2009-12-24 | 2012-06-13 | 宁国市开源电力耐磨材料有限公司 | High-carbon steel multi-alloy wear-resisting ball and production method thereof |
| CN101988174A (en) * | 2010-12-06 | 2011-03-23 | 宝钢集团新疆八一钢铁有限公司 | Large-scale ball mill liner and heat treatment method thereof |
| CN102888564A (en) * | 2012-09-20 | 2013-01-23 | 三一重工股份有限公司 | Ultrahigh manganese steel and manufacturing method thereof |
| CN103924166B (en) * | 2014-04-28 | 2016-04-06 | 李来龙 | A kind of preparation method of high mangaenese steel |
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